Embodiments herein generally relate to systems and methods for identifying and locating one or more fault conditions in a cascaded H-bridge (CHB) converter for driving a switched reluctance motor (SRM), the SRM including a predetermined number of phases (m) and the CHB converter including a plurality of cells arranged into m phase legs, each phase leg including a predetermined number (n) of cells cascaded in series, where n≥1, and where each phase leg corresponds to a respective phase winding of the SRM, each cell including a plurality of switching elements and a corresponding dc-link, and a controller configured to selectively control the switching elements of the cascaded cells of each phase leg to produce, at an output of the corresponding phase leg, a plurality of discrete phase voltage levels for operating the SRM in a plurality of operating modes, where the number of discrete phase voltage levels provided by each phase leg equals 2n+1. The method includes monitoring, for a selected phase leg, a fundamental phase current, determining, from the monitored current, a deviation indicative of a fault condition, injecting complementary high-frequency (HF) diagnostic pulses into switching elements of different cells of the selected phase leg, extracting a pulse-induced HF current component from the measured phase current, determining a fault variable based on the extracted HF component, and determining, from the fault variable, a location of a faulty cell within the selected phase leg.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
H02P 25/092 - Converters specially adapted for controlling reluctance motors
2.
MULTILEVEL CONVERTER TOPOLOGIES FOR SWITCHED RELUCTANCE MOTOR DRIVES AND METHODS OF OPERATING THE SAME
Embodiments herein generally relate to several multilevel inverters topologies are methods of operating the same. In at least one embodiment, a multilevel converter system for driving a switched reluctance motor (SRM) is disclosed where the system comprises a front-end circuit coupled to a DC supply voltage, the front-end circuit comprising a respective plurality of switching elements and a plurality of diodes; a back-end circuit coupled to the front-end circuit, the back-end circuit comprising a respective plurality of switching elements; a plurality of phase leg circuits, each phase leg circuit corresponding to a respective phase winding of the SRM, each phase leg circuit comprising the front-end circuit entirely and a subset of the switching elements from the back-end circuit; and a controller configured to selectively control the switching elements and diodes of the front-end circuit and of the subset of the back-end circuit forming each phase leg circuit to generate a plurality of selectable voltage levels for operating the SRM in a plurality of operating modes.
H02K 19/10 - Synchronous motors for multi-phase current
H02M 1/084 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters using a control circuit common to several phases of a multi-phase system
H02M 7/44 - Conversion of DC power input into AC power output without possibility of reversal by static converters
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
H02P 6/10 - Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
H02P 25/092 - Converters specially adapted for controlling reluctance motors
3.
CASCADED H-BRIDGE (CHB) CONVERTER FOR MEDIUM-VOLTAGE (MV) SRM DRIVES
Embodiments herein generally relate to several converter topologies for driving a switched reluctance motor (SRM) and methods of operating the same. In at least one embodiment, a cascaded H-bridge (CHB) converter system for driving a SRM with m number of phases is disclosed. The system comprises a plurality of cells arranged into m phase legs, where each phase leg comprises a predetermined number of cells cascaded in series, where is greater than or equal to 1, and wherein each phase leg corresponds to a respective phase winding of the SRM; each cell comprising a plurality of switching elements and a corresponding DC voltage supply; and a controller configured to selectively control the switching elements of the cascaded cells of each phase leg to produce, at an output of the corresponding phase leg, a plurality of discrete phase voltage levels for operating the SRM in a plurality of operating modes, wherein the number of discrete phase voltage levels provided by each phase leg equals 2n+1. In at least one other embodiment, a CHB converter system comprising at least two phase legs sharing one or more of the cells, where the shared cells are associated with phases that are not conducted simultaneously during any commutation interval is disclosed.
H02K 19/10 - Synchronous motors for multi-phase current
H02M 1/04 - Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters for tubes with grid control
H02M 7/44 - Conversion of DC power input into AC power output without possibility of reversal by static converters
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
H02P 6/10 - Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
H02P 25/092 - Converters specially adapted for controlling reluctance motors
4.
CASCADED H-BRIDGE (CHB) CONVERTER FOR MEDIUM-VOLTAGE (MV) SRM DRIVES
Embodiments herein generally relate to several converter topologies for driving a switched reluctance motor (SRM) and methods of operating the same. In at least one embodiment, a cascaded H-bridge (CHB) converter system for driving a SRM with m number of phases is disclosed. The system comprises a plurality of cells arranged into m phase legs, where each phase leg comprises a predetermined number (n) of cells cascaded in series, where n is greater than or equal to 1, and wherein each phase leg corresponds to a respective phase winding of the SRM; each cell comprising a plurality of switching elements and a corresponding DC voltage supply; and a controller configured to selectively control the switching elements of the cascaded cells of each phase leg to produce, at an output of the corresponding phase leg, a plurality of discrete phase voltage levels for operating the SRM in a plurality of operating modes, wherein the number of discrete phase voltage levels provided by each phase leg equals 2n+1. In at least one other embodiment, a CHB converter system comprising at least two phase legs sharing one or more of the cells, where the shared cells are associated with phases that are not conducted simultaneously during any commutation interval is disclosed.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
Embodiments herein generally relate to several multilevel inverters topologies are methods of operating the same. In at least one embodiment, a multilevel converter system for driving a switched reluctance motor (SRM) is disclosed where the system comprises a front-end circuit coupled to a DC supply voltage, the front-end circuit comprising a respective plurality of switching elements and a plurality of diodes; a back-end circuit coupled to the front-end circuit, the back-end circuit comprising a respective plurality of switching elements; a plurality of phase leg circuits, each phase leg circuit corresponding to a respective phase winding of the SRM, each phase leg circuit comprising the front-end circuit entirely and a subset of the switching elements from the back-end circuit; and a controller configured to selectively control the switching elements and diodes of the front-end circuit and of the subset of the back-end circuit forming each phase leg circuit to generate a plurality of selectable voltage levels for operating the SRM in a plurality of operating modes.
H02M 1/14 - Arrangements for reducing ripples from DC input or output
H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02M 7/539 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
6.
SWITCHED RELUCTANCE MOTOR WITH ASYMMETRIC LOSS DISTRIBUTION
A switched reluctance machine is described herein. The switched reluctance machine includes a rotor and a stator disposed concentrically with the rotor, the stator having stator teeth and windings wound about the teeth. The windings include, for each phase of the switched reluctance machine, a first set of coils and a second set of coils. The first set of coils includes first coils characterized by a first number of turns and the second set of coils includes second coils characterized by a second number of turns. The first number of turns is higher than the second number of turns. A motorized micro- mobility system that includes the switched reluctance machine is also described herein.
A switched reluctance machine is described herein. The switched reluctance machine includes a rotor and a stator disposed concentrically with the rotor, the stator having stator teeth and windings wound about the teeth. The windings include, for each phase of the switched reluctance machine, a first set of coils and a second set of coils. The first set of coils includes first coils characterized by a first number of turns and the second set of coils includes second coils characterized by a second number of turns. The first number of turns is higher than the second number of turns. A motorized micro-mobility system that includes the switched reluctance machine is also described herein.
A concentrated coil manufacturing apparatus for transfer to a stator tooth is provided. The apparatus may comprise a spindle and a coil transfer tool. The spindle may comprise a spindle winding machine mount and a transfer tool mount. The coil transfer tool may extend from a spindle mounting end to a distal end; and may have a coil carrier and a crown. The coil carrier may extend from the crown towards the spindle mounting end. The spindle mounting end of the coil transfer tool may be removably securable to the spindle at the transfer tool mount. When the coil transfer tool is removably secured to the spindle, the coil transfer tool and the spindle may collectively define upper and lower coil endcap mounts that are closed in that each endcap mount includes a proximal portion defined by the spindle joined to a distal portion defined by the coil transfer tool.
H02K 15/043 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines winding flat conductive wires or sheets
A switched reluctance motor. The motor includes a first member having a plurality of teeth arranged in a plurality of phase groups, each phase group including two teeth mechanically joined together through a magnetically permeable bridge. The motor also includes a second member mounted adjacent the first member allowing relative movement between the first and second members, the second member having a plurality of teeth evenly spaced from one another by a pitch in a directionof relative movement between the first and second members. Each phase group includes a first tooth and a second tooth which is separated from the first tooth by a phase group tooth spacing in the direction of relative movement between the first and second members, the phase group tooth spacing equal to a whole multiple of the pitch plus a skewing factor or a whole multiple of the pitch minus the skewing factor.
The current profile of excitation current provided to the electrical coils of a switched reluctance machine is controlled to reduce acoustic noise. A plurality of potential current waveforms can be evaluated to select a desired waveform that reduces the acoustic noise level of the switched reluctance machine. A cumulative sound pressure level of the switched reluctance machine can be determined for each potential current waveform. The cumulative sound pressure level can be determined based on a plurality of harmonic sound pressure levels expected to result from the potential current waveform. A desired current waveform can be identified as the potential current waveform associated with an optimal cumulative sound pressure level. The desired current waveform can then be applied to the corresponding phase coil of the switched reluctance machine in order to operate the switched reluctance machine while reducing acoustic noise without sacrificing other motor performance metrics.
Embodiments herein relate to a motor housing for ingress protection and a method of assembly thereof. In accordance with at least one aspect, there is provided a motor housing assembly for retaining an electric motor, comprising: a housing body portion extending along a housing axis between a first end and a second end; an end flange member coupled to the first end of the housing body, the end flange further comprising an exterior surface and an interior surface and a shaft-receiving opening extending between the exterior and interior surfaces for receiving a shaft of the electric motor, wherein the exterior surface comprising a groove surrounding the shaft-receiving opening; a sealing assembly disposed around the shaft-receiving opening of the end flange, the sealing assembly comprising: a flinger seal extending between a first and a second end, wherein the second end is receivable inside of the groove.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A concentrated coil manufacturing apparatus for transfer to a stator tooth is provided. The apparatus may comprise a spindle and a coil transfer tool. The spindle may comprise a spindle winding machine mount and a transfer tool mount. The coil transfer tool may extend from a spindle mounting end to a distal end; and may have a coil carrier and a crown. The coil carrier may extend from the crown towards the spindle mounting end. The spindle mounting end of the coil transfer tool may be removably securable to the spindle at the transfer tool mount. When the coil transfer tool is removably secured to the spindle, the coil transfer tool and the spindle may collectively define upper and lower coil endcap mounts that are closed in that each endcap mount includes a proximal portion defined by the spindle joined to a distal potion defined by the coil transfer tool.
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
15.
SWITCHED RELUCTANCE MOTOR DRIVE FOR OPERATION-CRITICAL APPLICATIONS
A drive system for operating a switched reluctance machine (SRM) when the SRM is experiencing a fault and methods of operating the drive system are described herein. The drive system includes a battery circuit, a pair of first switching elements configured to connect the inverter of the SRM to the DC voltage source of the SRM when in a first operational mode and to connect the inverter to the battery circuit when in a second operational mode, N pairs of second switching elements and a controller for configuring the operational mode of the first and second switching elements. Each of the N pairs of second switching elements include a first element and a second element. The operational mode of the first element can be varied to alternate the operation of a phase winding between a phase excitation mode and a phase demagnetization mode.
H02P 29/028 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
A switched reluctance motor. The motor includes a first member having a plurality of teeth arranged in a plurality of phase groups, each phase group including two teeth mechanically joined together through a magnetically permeable bridge. The motor also includes a second member mounted adjacent the first member allowing relative movement between the first and second members, the second member having a plurality of teeth evenly spaced from one another by a pitch in a direction of relative movement between the first and second members. Each phase group includes a first tooth and a second tooth which is separated from the first tooth by a phase group tooth spacing in the direction of relative movement between the first and second members, the phase group tooth spacing equal to a whole multiple of the pitch plus a skewing factor or a whole multiple of the pitch minus the skewing factor.
A motor drive system for driving at least one wheel of a motor vehicle is provided. The system may comprise a switched reluctance motor, an inverter and a phase plate. The switched reluctance motor may have a stator and a rotor. The stator may have (i) multiple stator poles and (ii) a stator coil winding around each of the stator poles. Each stator coil winding may have an input terminal and an output terminal. The rotor may be rotatably mounted with respect to the stator. The rotor may have a rotor output shaft and multiple rotor poles. The inverter may have a power outlet with a plurality of phases. The power outlet may have a positive terminal and a negative terminal for each phase. The phase plate may have at least first and second coil current transfer layers for each of the plurality of phases.
A system for controlling pitch angle of a blade of a wind turbine is provided. The system may comprise a switched reluctance motor and an inverter. The motor may be configured to be positioned at a hub of the wind turbine and coupled to the blade. The motor may have a stator and a rotor. The stator may have: (i) multiple stator poles and (ii) coil windings around each of the multiple stator poles. The rotor may be rotatably mounted with respect to the stator. The rotor may have multiple rotor poles and a rotor shaft configured to be coupled to the blade to control the pitch angle of the blade. The inverter may be configured to supply electrical power to the coil windings to control motion of the rotor shaft in response to receiving a pitch angle control signal from a pitch angle control system of the wind turbine.
A system for controlling pitch angle of a blade of a wind turbine is provided. The system may comprise a switched reluctance motor and an inverter. The motor may be configured to be positioned at a hub of the wind turbine and coupled to the blade. The motor may have a stator and a rotor. The stator may have: (i) multiple stator poles and (ii) coil windings around each of the multiple stator poles. The rotor may be rotatably mounted with respect to the stator. The rotor may have multiple rotor poles and a rotor shaft configured to be coupled to the blade to control the pitch angle of the blade. The inverter may be configured to supply electrical power to the coil windings to control motion of the rotor shaft in response to receiving a pitch angle control signal from a pitch angle control system of the wind turbine.
Embodiments herein relate to a motor housing for ingress protection and a method of assembly thereof. In accordance with at least one aspect, there is provided a motor housing assembly for retaining an electric motor, comprising: a housing body portion extending along a housing axis between a first end and a second end; an end flange member coupled to the first end of the housing body, the end flange further comprising an exterior surface and an interior surface and a shaft-receiving opening extending between the exterior and interior surfaces for receiving a shaft of the electric motor, wherein the exterior surface comprising a groove surrounding the shaft-receiving opening; a sealing assembly disposed around the shaft-receiving opening of the end flange, the sealing assembly comprising: a flinger seal extending between a first and a second end, wherein the second end is receivable inside of the groove.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
The current profile of excitation current provided to the electrical coils of a switched reluctance machine is controlled to reduce acoustic noise. A plurality of potential current waveforms can be evaluated to select a desired waveform that reduces the acoustic noise level of the switched reluctance machine. A cumulative sound pressure level of the switched reluctance machine can be determined for each potential current waveform. The cumulative sound pressure level can be determined based on a plurality of harmonic sound pressure levels expected to result from the potential current waveform. A desired current waveform can be identified as the potential current waveform associated with an optimal cumulative sound pressure level. The desired current waveform can then be applied to the corresponding phase coil of the switched reluctance machine in order to operate the switched reluctance machine while reducing acoustic noise without sacrificing other motor performance metrics.
The current profile of excitation current provided to the electrical coils of a switched reluctance machine is controlled to reduce acoustic noise. A plurality of potential current waveforms can be evaluated to select a desired waveform that reduces the acoustic noise level of the switched reluctance machine. A cumulative sound pressure level of the switched reluctance machine can be determined for each potential current waveform. The cumulative sound pressure level can be determined based on a plurality of harmonic sound pressure levels expected to result from the potential current waveform. A desired current waveform can be identified as the potential current waveform associated with an optimal cumulative sound pressure level. The desired current waveform can then be applied to the corresponding phase coil of the switched reluctance machine in order to operate the switched reluctance machine while reducing acoustic noise without sacrificing other motor performance metrics.
A three-phase switched reluctance machine has a rotor, a first stator and a second stator. The rotor, first stator and second stator are coaxially and concentrically disposed. The rotor and both the first stator and second stator have corresponding poles. Only one of the stators has coils wound about its poles, while the other stator does not have any coils. A defined relationship between the number of rotor poles, the number of stator poles on the first stator and the number of stator poles on the second stator may improve the torque quality of the switched reluctance machine.
H02K 16/02 - Machines with one stator and two rotors
H02K 19/10 - Synchronous motors for multi-phase current
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
A three-phase switched reluctance machine has a rotor, a first stator and a second stator. The rotor, first stator and second stator are coaxially and concentrically disposed. The rotor and both the first stator and second stator have corresponding poles. Only one of the stators has coils wound about its poles, while the other stator does not have any coils. A defined relationship between the number of rotor poles, the number of stator poles on the first stator and the number of stator poles on the second stator may improve the torque quality of the switched reluctance machine.
Various embodiments are described herein for methods and systems for controlling a switched reluctance machine (SRM) having an axially extending rotor mounted to a shaft, an axially extending stator disposed coaxially and concentrically with the rotor, the rotor and stator having a plurality of salient poles, the stator poles protruding radially towards the rotor poles, and a plurality of electrical coils wound about the stator poles including a plurality of separate phase coils defining a plurality of phases of the SRM. In one example embodiment, the method comprises providing a control system operatively coupled to a current controller of the SRM, where the control system is configured to generate a unique set of current reference profiles based on an objective function and at least one constraint function and operating the SRM based on the unique set of current profiles generated by the control system.
Various embodiments are described herein for methods and systems for controlling a switched reluctance machine (SRM) having an axially extending rotor mounted to a shaft, an axially extending stator disposed coaxially and concentrically with the rotor, the rotor and stator having a plurality of salient poles, the stator poles protruding radially towards the rotor poles, and a plurality of electrical coils wound about the stator poles including a plurality of separate phase coils defining a plurality of phases of the SRM. In one example embodiment, the method comprises providing a control system operatively coupled to a current controller of the SRM, where the control system is configured to generate a unique set of current reference profiles based on an objective function and at least one constraint function and operating the SRM based on the unique set of current profiles generated by the control system.
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, a plurality of stator teeth and tooth-tips, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of stator poles can be determined according to the following equation and at least one constraint condition:
.
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
H02K 19/10 - Synchronous motors for multi-phase current
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein includes an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, a plurality of stator teeth and tooth-tips, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of stator poles can be determined according to the following equation and at least one constraint condition:
.
H02K 19/10 - Synchronous motors for multi-phase current
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, a plurality of stator teeth and tooth-tips, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of stator poles can be determined according to the following equation and at least one constraint condition: Ns =(Nt×LCM(Ns,Nr) / (Nr×Nph×S1×S2).
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of rotor poles can be determined according to the following equation and at least one constraint condition:
.
H02K 19/10 - Synchronous motors for multi-phase current
H02P 25/098 - Arrangements for reducing torque ripple
H02K 37/04 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type with rotors situated within the stators
H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of rotor poles can be determined according to the following equation and at least one constraint condition: Nr = LCM(Ns,Nr)/(2 x Nph)
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises an axially extending shaft, an axially extending rotor mounted to the shaft, the rotor having a plurality of salient rotor poles, an axially extending stator disposed coaxially and concentrically with the rotor, the stator having a plurality of salient stator poles protruding radially from the stator towards the rotor poles, a plurality of stator teeth and tooth-tips, and a plurality of electrical coils wound about the stator poles to define a plurality of phases of the switched reluctance machine, where a number of stator poles can be determined according to the following equationand at least one constraint condition: N s = (See image).
A reluctance motor has salient teeth on both the stator and the rotor. The reluctance motor includes electrical coils that are usable to generate magnetic flux to drive rotation of the rotor. Concentrated coil windings are wound around each stator tooth. The electrical coils are arranged across all the stator teeth of the reluctance motor to enable the reluctance motor to be driven by alternating current. The electrical coils are arranged so that, when excited with alternating current, the number of magnetic half-poles is equal to the number of teeth on the rotor. The reluctance machine can operate using an inverter instead of an asymmetric bridge.
H02K 37/04 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type with rotors situated within the stators
H02K 21/44 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets
H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
H02K 19/10 - Synchronous motors for multi-phase current
H02K 3/28 - Layout of windings or of connections between windings
H02P 25/092 - Converters specially adapted for controlling reluctance motors
34.
Switched reluctance machine with even pole-phase index
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
A switched reluctance machine has a stator core salient with stator poles disposed concentrically with a rotor that is salient with rotor poles. A plurality of coil windings are wound about the stator core so that a pair of windings are adjacent each of the stator poles. The pair of coil windings induces magnetic flux in the adjacent stator poles and the rotor rotates to align the rotor poles with the stator poles having the induced magnetic flux. The rotor is rotatable at high speeds of up to 50,000 RPM and the coil windings can be directly cooled.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/095 - Forming windings by laying conductors into or around core parts by laying conductors around salient poles
H02K 19/12 - Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
The integration of the auxiliary power module (APM) functionality into non-dissipative balancing hardware of a high voltage battery or supercapacitor pack enables a more cost-effective non-dissipative balancing system while maintaining a similar complexity in topologies. The system uses state-space equations and three control problems to balance high-voltage energy storage elements and charge low voltage energy storage elements. Two optimization based controllers are employed to optimize both balancing and charging simultaneously.
The integration of the auxiliary power module (APM) functionality into non-dissipative balancing hardware of a high voltage battery or supercapacitor pack enables a more cost-effective non-dissipative balancing system while maintaining a similar complexity in topologies. The system uses state-space equations and three control problems to balance high-voltage energy storage elements and charge low voltage energy storage elements. Two optimization based controllers are employed to optimize both balancing and charging simultaneously.
Various embodiments are described herein for a double-rotor switched reluctance machine with segmented rotors. In one example embodiment, the double-rotor switched reluctance machine comprises an interior rotor, an exterior rotor spaced from the interior rotor and concentrically disposed outside the interior rotor, and at least one stator disposed concentrically with the interior rotor and the exterior rotor. The interior rotor, the exterior rotor and the at least one stator are disposed within one machine set to provide an interior switched reluctance machine and an exterior switched reluctance machine. In the various embodiments described herein, at least one of the interior rotor and the exterior rotor comprises an array of magnetically isolated segments and filler segments. The interior switched reluctance machine and the exterior switched reluctance machine can operate as two motors, two generators, or a motor and a generator simultaneously.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
40.
DOUBLE-ROTOR SWITCHED RELUCTANCE MACHINE WITH SEGMENTED ROTORS
Various embodiments are described herein for a double-rotor switched reluctance machine with segmented rotors. In one example embodiment, the double-rotor switched reluctance machine comprises an interior rotor, an exterior rotor spaced from the interior rotor and concentrically disposed outside the interior rotor, and at least one stator disposed concentrically with the interior rotor and the exterior rotor. The interior rotor, the exterior rotor and the at least one stator are disposed within one machine set to provide an interior switched reluctance machine and an exterior switched reluctance machine. In the various embodiments described herein, at least one of the interior rotor and the exterior rotor comprises an array of magnetically isolated segments and filler segments. The interior switched reluctance machine and the exterior switched reluctance machine can operate as two motors, two generators, or a motor and a generator simultaneously.
Electric generators are described herein. The electric generators include an interior machine formed of an interior rotor and an interior portion of a stator, and an exterior machine substantially concentric to the interior machine. The exterior machine includes: an exterior rotor substantially concentric to the interior rotor, and an exterior portion of the stator. Each of the interior machine and the external machine are driven by an engine to produce a respective current. The described electric generators can be used in diesel electric locomotives.
H02K 16/02 - Machines with one stator and two rotors
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
B60L 50/10 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
H02K 21/12 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets
H02K 19/22 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
42.
SWITCHED RELUCTANCE MACHINE WITH EVEN POLE-PHASE INDEX
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises a stator including a predetermined number of salient stator poles ( N s ), a rotor rotatably mounted with respect to the stator, with the rotor comprising a plurality of salient rotor poles, and a plurality of coils provided around the predetermined number of stator poles to form at least one phase of the switched reluctance machine, where the rotor poles and the stator poles are symmetrically disposed, and a number of rotor poles is related to ?? and a number of phases according to: i) (N s /m)k ceil (mod(k,m)/m) number of phases, and ii) (N s /m)k ceil (mod(k,m/2)/m/2) for an even number of phases, where m is the number of phases, and k is a configuration index based on N s and m.
Various embodiments are described herein for switched reluctance machine configurations. In at least one embodiment, a switched reluctance machine configured according to the teachings herein comprises a stator including a predetermined number of salient stator poles ( N s ), a rotor rotatably mounted with respect to the stator, with the rotor comprising a plurality of salient rotor poles, and a plurality of coils provided around the predetermined number of stator poles to form at least one phase of the switched reluctance machine, where the rotor poles and the stator poles are symmetrically disposed, and a number of rotor poles is related to N s and a number of phases according to: i) (Ns/m)k ceil (mod (k,m)/m) for an odd number of phases, and ii) (Ns/m)k ceil (mod(k,m/2)/m/2) for an even number of phases, where m is the number of phases, and k is a configuration index based on N s and m.
A switched reluctance machine has a stator core salient with stator poles disposed concentrically with a rotor that is salient with rotor poles. A plurality of coil windings are wound about the stator core so that a pair of windings are adjacent each of the stator poles. The pair of coil windings induces magnetic flux in the adjacent stator poles and the rotor rotates to align the rotor poles with the stator poles having the induced magnetic flux. The rotor is rotatable at high speeds of up to 50,000 RPM and the coil windings can be directly cooled.
Electric generators are described herein. The electric generators include an interior machine formed of an interior rotor and an interior portion of a stator; and an exterior machine substantially concentric to the interior machine. The exterior machine includes: an exterior rotor substantially concentric to the interior rotor, and an exterior portion of the stator. Each of the interior machine and the external machine arc driven by an engine to produce a respective current. The described electric generators can he used in diesel electric locomotives.
Various embodiments are described herein for a dual-voltage charging system for electrified vehicles. In one example embodiment, the dual-voltage charging system comprises an integrated active filter auxiliary power module (AFAPM), the integrated AFAPM is applied as an active power filter (APF) to compensate low frequency harmonics in a high voltage (HV) battery charger when the HV battery is charging, and applied as a low voltage (LV) battery charger auxiliary power module (APM) when the HV battery stops the charging and starts to charge the LV battery.
Various embodiments are described herein for a dual-voltage charging system for electrified vehicles. In one example embodiment, the dual-voltage charging system comprises an integrated active filter auxiliary power module (AFAPM), the integrated AFAPM is applied as an active power filter (APF) to compensate low frequency harmonics in a high voltage (HV) battery charger when the HV battery is charging, and applies as a low voltage (LV) battery charger auxiliary power module (APM) when the HV battery stops the charging and starts to charge the LV battery.
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
H02J 3/01 - Arrangements for reducing harmonics or ripples
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
48.
Torque ripple and radial force reduction in double-rotor switched reluctance machines
A double-rotor switched reluctance machine includes a stator, a first rotor, and a second rotor. The stator and the first rotor operate as a first electric machine and the stator and the second rotor operate as a second electric machine. Each electric machine has an output torque profile that fluctuates periodically between a maximum and a minimum instantaneous torque. The double-rotor switched reluctance machine is configured so that when the first and second electric machines are operated at a common electrical frequency, the first and second maximum instantaneous torques are temporally offset, thereby reducing the overall torque ripple of the switched reluctance machine. Additionally, or alternatively, a double-rotor switched reluctance machine is configured so that the first and second rotors are radially offset from each other to reduce a net radial force imposed on the stator by the operation of the first and second electric machines.
H02P 7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
H02K 16/02 - Machines with one stator and two rotors
H02K 19/10 - Synchronous motors for multi-phase current
H02K 29/03 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
H02P 25/098 - Arrangements for reducing torque ripple
H02P 101/45 - Special adaptation of control arrangements for generators for motor vehicles, e.g. car alternators
49.
TORQUE RIPPLE AND RADIAL FORCE REDUCTION IN DOUBLE-ROTOR SWITCHED RELUCTANCE MACHINES
A double-rotor switched reluctance machine includes a stator, a first rotor, and a second rotor. The stator and the first rotor operate as a first electric machine and the stator and the second rotor operate as a second electric machine. Each electric machine has an output torque profile that fluctuates periodically between a maximum and a minimum instantaneous torque. The double-rotor switched reluctance machine is configured so that when the first and second electric machines are operated at a common electrical frequency, the first and second maximum instantaneous torques are temporally offset, thereby reducing the overall torque ripple of the switched reluctance machine. Additionally, or alternatively, a double-rotor switched reluctance machine is configured so that the first and second rotors are radially offset from each other to reduce a net radial force imposed on the stator by the operation of the first and second electric machines.
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
H02K 16/02 - Machines with one stator and two rotors
A switched reluctance machine designed for high-speed high-power operation. The switched reluctance machine has a rotor having a plurality of radially extending rotor poles, an interpolar filler positioned between the rotor poles, a stator having a plurality of stator poles extending radially inwardly from the inner surface of a machine frame, a stator winding positioned about each stator pole, wherein the stator wire has a rectangular cross-sectional profile, an axial cooling system, an end turn cooling system, and a cooling jacket positioned radially about the machine frame, and a power source configured to selectively supply electrical power to the one or more stator windings to induce rotation of the rotor.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling mediumArrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
A switched reluctance machine designed for high-speed high-power operation. The switched reluctance machine has a rotor having a plurality of radially extending rotor poles, an interpolar filler positioned between the rotor poles, a stator having a plurality of stator poles extending radially inwardly from the inner surface of a machine frame, a stator winding positioned about each stator pole, wherein the stator wire has a rectangular cross-sectional profile, an axial cooling system, an end turn cooling system, and a cooling jacket positioned radially about the machine frame, and a power source configured to selectively supply electrical power to the one or more stator windings to induce rotation of the rotor.
H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
H02K 9/00 - Arrangements for cooling or ventilating
H02K 37/04 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type with rotors situated within the stators
52.
SYSTEMS AND METHODS FOR ROTOR POSITION DETERMINATION
Various embodiments are described herein for a system and method to eliminate mutual flux effect on rotor position estimation of switched reluctance motor (SRM) drives at rotating shaft conditions without a prior knowledge of mutual flux. Neglecting the magnetic saturation, the operation of conventional self-inductance estimation using phase current slope difference method can be classified into three modes: Mode I, ll and III. At positive-current-slope and negative-current-slope sampling point of one phase, the sign of current slope of the other phase changes in Mode I and II, but does not change in Mode III. In one example embodiment, in order to operate the self-inductance estimation in Mode III, a variable-hysteresis-band current control method is proposed for the incoming phase and variable-sampling method is proposed for the outgoing phase.
Various embodiments are described herein for a system and method to eliminate mutual flux effect on rotor position estimation of switched reluctance motor (SRM) drives at rotating shaft conditions without a prior knowledge of mutual flux. Neglecting the magnetic saturation, the operation of conventional self-inductance estimation using phase current slope difference method can be classified into three modes: Mode I, II and III. At positive-current-slope and negative-current-slope sampling point of one phase, the sign of current slope of the other phase changes in Mode I and II, but does not change in Mode III. In one example embodiment, in order to operate the self-inductance estimation in Mode III, a variable-hysteresis-band current control method is proposed for the incoming phase and variable-sampling method is proposed for the outgoing phase.
th phase; and outputting the determined at least one reference current to a current controller operatively coupled to the switched reluctance motor, wherein the determined at least one reference current is based on an objective function comprising the squares of phase current and derivatives of current reference.
H02K 29/06 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
H02P 6/10 - Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
H02P 25/098 - Arrangements for reducing torque ripple
A method for controlling a switched reluctance motor, the method comprising: receiving a reference torque T e_ref; receiving an indication of a present rotor position .theta. for the switched reluctance motor; determining at least one of: a reference current i e_ref(k-1) for a (k -1)th phase, a reference current i e_re f (k) for a (k)th phase, and a reference current i e_ref(k+1) for a (k +1)th phase; and outputting the determined at least one reference current to a current controller operatively coupled to the switched reluctance motor, wherein the determined at least one reference current is based on an objective function comprising the squares of phase current and derivatives of current reference.
B60L 15/02 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train characterised by the form of the current used in the control circuit
H02P 23/06 - Controlling the motor in four quadrants
H02P 25/098 - Arrangements for reducing torque ripple
56.
Extended-speed low-ripple torque control of switched reluctance motor drives
Various embodiments are described herein for an extended-speed low-ripple torque control of a switched reluctance motor (SRM) using online torque sharing function (TSF). Two operational modes of an online TSF are defined during the commutation: In Mode I, absolute value of rate of change of flux linkage (ARCFL) of incoming phase is higher than outgoing phase; in Mode II, ARCFL of outgoing phase is higher than incoming phase. To compensate the torque error produced by imperfect tracking of phase current, a proportional and integral compensator with torque error is added to the torque reference of outgoing phase in Mode I and incoming phase in Mode II. Therefore, the total torque is determined by the phase with lower ARCFL rather than the phase with higher ARCFL as in conventional TSFs.
Various embodiments are described herein for an extended-speed low-ripple torque control of a switched reluctance motor (SRM) using online torque sharing function (TSF). Two operational modes of an online TSF are defined during the commutation: In Mode I, absolute value of rate of change of flux linkage (ARCFL) of incoming phase is higher than outgoing phase; in Mode II, ARCFL of outgoing phase is higher than incoming phase. To compensate the torque error produced by imperfect tracking of phase current, a proportional and integral compensator with torque error is added to the torque reference of outgoing phase in Mode I and incoming phase in Mode II. Therefore, the total torque is determined by the phase with lower ARCFL rather than the phase with higher ARCFL as in conventional TSFs.
The embodiments described herein relate to a reconfigurable energy storage system. In one embodiment, the reconfigurable energy storage system comprises a first energy storage system, a second energy storage system and a power converter. The power converter determines a first power level, a second power level and a load coupled to the power converter and manipulates the power transfer between the energy storage systems based on the first power level, the second power level and the load. In another embodiment, the reconfigurable energy storage system also comprises a third energy storage system. In this embodiment, the power converter determines a third power level corresponding to the third energy storage system and manipulates the power transfer between the energy storage systems based also on the third power level. The third power level may correspond to a state of charge of the third energy storage element or amount of power generated by the third energy storage system.
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 7/14 - Dynamic electric regenerative braking for vehicles propelled by AC motors
B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
B60L 11/12 - with additional electric power supply, e.g. accumulator
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
B60L 11/14 - with provision for direct mechanical propulsion
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
59.
RECONFIGURABLE HYBRID ENERGY STORAGE SYSTEM FOR ELECTRIFIED VEHICLES
The embodiments described herein relate to a reconfigurable energy storage system. In one embodiment, the reconfigurable energy storage system comprises a first energy storage system, a second energy storage system and a power converter. The power converter determines a first power level, a second power level and a load coupled to the power converter and manipulates the power transfer between the energy storage systems based on the first power level, the second power level and the load. In another embodiment, the reconfigurable energy storage system also comprises a third energy storage system. In this embodiment, the power converter determines a third power level corresponding to the third energy storage system and manipulates the power transfer between the energy storage systems based also on the third power level. The third power level may correspond to a state of charge of the third energy storage element or amount of power generated by the third energy storage system.
B60L 58/18 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
B60R 16/037 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for occupant comfort
60.
Switched reluctance machine with rotor excitation using permanent magnets
Various embodiments are described herein for a switched reluctance machine having a rotor excitation. In one example embodiment, the switched reluctance machine comprises a stator and a rotor. The rotor may be disposed inside or outside the stator. The rotor is spaced from the stator, and the rotor and the stator are concentrically disposed. The rotor has a plurality of rotor poles having an excitation source, where the excitation source comprises at least one adjustable parameter. The excitation source is provided by a permanent magnet. The dimensions and various other parameters associated with the permanent magnets are adjustable.
Various embodiments are described herein for a switched reluctance machine having a rotor excitation. In one example embodiment, the switched reluctance machine comprises a stator and a rotor. The rotor may be disposed inside or outside the stator. The rotor is spaced from the stator, and the rotor and the stator are concentrically disposed. The rotor has a plurality of rotor poles having an excitation source, where the excitation source comprises at least one adjustable parameter. The excitation source is provided by a permanent magnet. The dimensions and various other parameters associated with the permanent magnets are adjustable.
) DC voltage sources to an AC load with a reduced number of switches, and DC to DC conversion. Both single and three phases AC load are considered. The proposed topology consists in a single stage of conversion, and therefore a high efficiency can be expected for the system. Any type of DC sources can be used in the system (fuel-cell, battery, ultra-capacitor, photo-voltaic cells, DC bus, DC to DC or AC to DC converter, etc.). The AC load can be either single or three phases (single-phase AC grid/microgrid, three-phase electric machines, induction machine, synchronous machine, etc.). There is no requirement for the n DC voltage source values; they can be equal or different and they can be used individually or together by the converter to generate the AC output. If different DC voltage values are used, the converter can be controlled to generate a multi-level AC voltage. This permits to improve system's voltage and current power quality and to reduce electro-magnetic interferences (EMI). Therefore gains on both differential and EMI filters design can be expected.
A multi-source power converter is proposed to permit bidirectional DC to AC conversion from n (n.gtoreq.2 and n .epsilon. N) DC voltage sources to an AC load with a reduced number of switches, and DC to DC conversion. Both single and three phases AC load are considered. The proposed topology consists in a single stage of conversion, and therefore a high efficiency can be expected for the system. Any type of DC sources can be used in the system (fuel-cell, battery, ultra-capacitor, photo-voltaic cells, DC bus, DC to DC or AC to DC converter, etc.). The AC load can be either single or three phases (single-phase AC grid/microgrid, three-phase electric machines, induction machine, synchronous machine, etc.). There is no requirement for the n DC voltage source values; they can be equal or different and they can be used individually or together by the converter to generate the AC output. If different DC voltage values are used, the converter can be controlled to generate a multi-level AC voltage. This permits to improve system's voltage and current power quality and to reduce electro- magnetic interferences (EMI). Therefore gains on both differential and EMI filters design can be expected.
Various embodiments are described herein for a double-rotor switched reluctance machine. In one example embodiment, the double-rotor switched reluctance machine comprises an interior rotor, an exterior rotor spaced from the interior rotor and coaxially and concentrically disposed outside the interior rotor, and at least one stator disposed concentrically with the interior rotor and the exterior rotor. The interior rotor, the exterior rotor and the at least one stator are disposed within one machine set to provide an interior switched reluctance machine and an exterior switched reluctance machine. The interior switched reluctance machine and the exterior switched reluctance machine can operate as two motors, two generators, or a motor and a generator simultaneously.
Various embodiments are described herein for a double-rotor switched reluctance machine. In one example embodiment, the double-rotor switched reluctance machine comprises an interior rotor, an exterior rotor spaced from the interior rotor and coaxially and concentrically disposed outside the interior rotor, and at least one stator disposed concentrically with the interior rotor and the exterior rotor. The interior rotor, the exterior rotor and the at least one stator are disposed within one machine set to provide an interior switched reluctance machine and an exterior switched reluctance machine. The interior switched reluctance machine and the exterior switched reluctance machine can operate as two motors, two generators, or a motor and a generator simultaneously.
H02K 16/00 - Machines with more than one rotor or stator
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 19/10 - Synchronous motors for multi-phase current
A hybrid vehicle transmission including a double-rotor electric machine, two planetary gear sets, an input shaft, and an output shaft, where the input shaft, the output shaft, and a first rotor of the double-rotor electric machine are each coupled to a member of the first planetary gear set, the output shaft and a second rotor of the double-rotor electric machine are each coupled to a member of the second planetary gear set, and a member of the second planetary gear set not coupled to the output shaft or the second rotor is selectively coupled to the first rotor via a first torque transfer device, and selectively coupled to a transmission housing via a second torque transfer device.
B60K 17/12 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of electric gearing
B60W 20/00 - Control systems specially adapted for hybrid vehicles
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
A hybrid vehicle transmission including a double-rotor electric machine, two planetary gear sets, an input shaft, and an output shaft, where the input shaft, the output shaft, and a first rotor of the double-rotor electric machine are each coupled to a member of the first planetary gear set, the output shaft and a second rotor of the double-rotor electric machine are each coupled to a member of the second planetary gear set, and a member of the second planetary gear set not coupled to the output shaft or the second rotor is selectively coupled to the first rotor via a first torque transfer device, and selectively coupled to a transmission housing via a second torque transfer device.
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
B60K 6/547 - Transmission for changing ratio the transmission being a stepped gearing
B60W 20/00 - Control systems specially adapted for hybrid vehicles
B60K 6/445 - Differential gearing distribution type
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
A hybrid powertrain for an aircraft may include a drive shaft, the drive shaft, an internal combustion engine to selectably drive the drive shaft, a propeller coupled to the drive shaft and an electric motor having a stator and a rotor and operable to selectably drive the drive shaft. The drive shaft may extend through the electric motor. The rotor may be coupled to the drive shaft to rotate with the drive shaft and the rotor is a flywheel for the internal combustion engine.
B64D 27/02 - Aircraft characterised by the type or position of power plants
B64D 27/24 - Aircraft characterised by the type or position of power plants using steam or spring force
B64D 35/00 - Transmitting power from power plants to propellers or rotorsArrangements of transmissions
B64D 35/08 - Transmitting power from power plants to propellers or rotorsArrangements of transmissions characterised by the transmission being driven by a plurality of power plants
A hybrid powertrain for an aircraft may include a drive shaft, the drive shaft, an internal combustion engine to selectably drive the drive shaft, a propeller coupled to the drive shaft and an electric motor having a stator and a rotor and operable to selectably drive the drive shaft. The drive shaft may extend through the electric motor. The rotor may be coupled to the drive shaft to rotate with the drive shaft and the rotor is a flywheel for the internal combustion engine.
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B64D 35/08 - Transmitting power from power plants to propellers or rotorsArrangements of transmissions characterised by the transmission being driven by a plurality of power plants
B64D 27/02 - Aircraft characterised by the type or position of power plants
70.
INTEGRATED ELECTRO-MECHANICAL POWERTRAIN SYSTEM FOR HYBRID VEHICLES
A vehicle powertrain system including a differential gear set, a planetary gear set coupled to the differential gear set, an engine coupled to the planetary gear set to transfer power between the engine and the planetary gear set, a first electric machine coupled to the planetary gear set via a first clutch and selectively engagable, via actuation of the first clutch, to transfer power between the first electric machine and the planetary gear set, and a second electric machine coupled to the planetary gear set via a second clutch and selectively engagable, via actuation of the second clutch, to transfer power between the second electric machine and the planetary gear set.
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
A powertrain system for a vehicle is provided, including an internal combustion engine, a drivetrain gear for connection to a drivetrain of the vehicle, a gearset connecting the internal combustion engine to the drivetrain gear, a first electric machine connected to the gearset, a second electric machine, and at least one dynamic clutch selectively coupling the second electric machine to the drivetrain gear and the gearset. In a compound mode of operation, the at least one dynamic clutch couples the second electric machine and the gearset. In a split mode of operation, the at least one dynamic clutch couples the second electric machine and the drivetrain gear.
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
A powertrain system for a vehicle is provided. The powertrain system includes an internal combustion engine, a first gearset connected to the internal combustion engine, a first electric machine connected to the first gearset, a drivetrain gear for connection to a drivetrain of the vehicle, a second gearset connecting the first gearset to the drivetrain gear, a second electric machine, and at least one dynamic clutch selectively coupling the second electric machine to the first electric machine, the first gearset, and the second gearset. In a first mode of operation, the at least one dynamic clutch couples the second electric machine and the first electric machine. In a second mode of operation, the at least one dynamic clutch couples the second electric machine and the first gearset. In a third mode of operation, the at least one dynamic clutch couples the second electric machine and the second gearset.
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
A powertrain system for a vehicle is provided, including an internal combustion engine, a drivetrain gear for connection to a drivetrain of the vehicle, a gearset connecting the internal combustion engine to the drivetrain gear, a first electric machine connected to the gearset, a second electric machine, and at least one dynamic clutch selectively coupling the second electric machine to the drivetrain gear and the gearset. In a compound mode of operation, the at least one dynamic clutch couples the second electric machine and the gearset. In a split mode of operation, the at least one dynamic clutch couples the second electric machine and the drivetrain gear.
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
F16H 37/06 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts
B60W 20/00 - Control systems specially adapted for hybrid vehicles
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/445 - Differential gearing distribution type
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
74.
Powertrain system for hybrid vehicles having multiple modes of operation
A powertrain system for a vehicle is provided. The powertrain system includes an internal combustion engine, a first gearset connected to the internal combustion engine, a first electric machine connected to the first gearset, a drivetrain gear for connection to a drivetrain of the vehicle, a second gearset connecting the first gearset to the drivetrain gear, a second electric machine, and at least one dynamic clutch selectively coupling the second electric machine to the first electric machine, the first gearset, and the second gearset. In a first mode of operation, the at least one dynamic clutch couples the second electric machine and the first electric machine. In a second mode of operation, the at least one dynamic clutch couples the second electric machine and the first gearset. In a third mode of operation, the at least one dynamic clutch couples the second electric machine and the second gearset.
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/445 - Differential gearing distribution type
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
B60K 6/26 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
A vehicle powertrain system including a differential gear set, a planetary gear set coupled to the differential gear set, an engine coupled to the planetary gear set to transfer power between the engine and the planetary gear set, a first electric machine coupled to the planetary gear set via a first clutch and selectively engagable, via actuation of the first clutch, to transfer power between the first electric machine and the planetary gear set, and a second electric machine coupled to the planetary gear set via a second clutch and selectively engagable, via actuation of the second clutch, to transfer power between the second electric machine and the planetary gear set.
F16H 3/72 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
B60K 6/547 - Transmission for changing ratio the transmission being a stepped gearing
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
B60K 6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K 6/445 - Differential gearing distribution type
B60K 6/52 - Driving a plurality of drive axles, e.g. four-wheel drive
B60K 6/38 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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