A control apparatus decides an upper limit of a magnitude of output power of a power apparatus configured such that electric storage apparatuses, which are attachable and detachable, are able to be connected in parallel, based on a maximum power supply value that is a maximum value of power which each of one or more first electric storage apparatuses, which are the electric storage apparatuses electrically connected to a power terminal of the power apparatus, is able to supply to the power apparatus, and/or decides an upper limit of a magnitude of input power of the power apparatus, based on a maximum power reception value that is a maximum value of power with which each of the one or more first electric storage apparatuses is able to be supplied from the power apparatus.
H02J 1/08 - Three-wire systemsSystems having more than three wires
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
A control apparatus for controlling output power, which is power outputted by a power supply apparatus to a power grid, includes an output control unit which causes the power supply apparatus to operate in any one mode of (i) a first mode in which magnitude of the output power is increased such that an absolute value of a fluctuation rate indicating a ratio of a fluctuation amount of the output power per unit time to a rated output of the power supply apparatus is equal to or smaller than a first threshold value or smaller than the first threshold value, (ii) a second mode in which the magnitude of the output power is decreased such that the absolute value of the fluctuation rate is equal to or smaller than a second threshold value or smaller than the second threshold value, and (iii) a third mode in which the magnitude of the output power is maintained such that the absolute value of the fluctuation rate is equal to or smaller than a third threshold value or smaller than the third threshold value.
Electric equipment includes: a power transmission/reception unit which transmits/receives electric power between a first assembled battery and a second assembled battery; a first power line which is connected to a positive electrode terminal of the first assembled battery and connected to a positive electrode terminal of the second assembled battery via the power transmission/reception unit; a second power line which is connected to a negative electrode terminal of the first assembled battery and connected to a negative electrode terminal of the second assembled battery via the power transmission/reception unit; and a limitation unit which is arranged between the positive electrode terminal of the first assembled battery and the first power line or between the negative electrode terminal of the first assembled battery and the second power line, and limits transmission/reception of electric power via the power transmission/reception unit between the first assembled battery and the second assembled battery.
In the present invention, a control device for controlling at least one of an output electric power and an input electric power of an electric power apparatus that is configured such that removable electric power storage devices can be connected in parallel comprises an upper-limit electric power determination unit that determines an upper limit for the magnitude of at least one of the output electric power and the input electric power of the electric power apparatus. The upper-limit electric power determination unit determines the upper limit for the magnitude of the output electric power of the electric power apparatus on the basis of a supply maximum value, which is the maximum value of electric power that each of one or more first electric power storage devices electrically connected to an electric power terminal of the electric power apparatus is capable of supplying to the electric power apparatus, and/or determines the upper limit for the magnitude of the input electric power of the electric power apparatus on the basis of a reception maximum value, which is the maximum value of electric power that each of the one or more first electric power storage devices is capable of receiving from the electric power apparatus.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
5.
POWER STORAGE DEVICE, POWER DEVICE, AND POWER SYSTEM
A power storage device according to the present invention comprises: a power storage unit that has a first electrode and a second electrode; a first power terminal and a second power terminal that are electrically connected to the first electrode; a third power terminal that is electrically connected to the second electrode; and a first switching unit that switches the electrical connection relationship between the first electrode and the first power terminal. One end of the first switching unit is electrically connected to the first power terminal. Another end of the first switching unit is electrically connected to the first electrode and the second power terminal. When (i) the inter-terminal voltage of the first switching unit satisfies a predetermined condition, the first switching unit may electrically connect the first electrode and the first power terminal. When (ii) the inter-terminal voltage of the first switching unit does not satisfy the predetermined condition, the first switching unit may electrically disconnect the first electrode and the first power terminal.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
6.
SWITCH CONTROL DEVICE, CURRENT CONTROL DEVICE, POWER STORAGE DEVICE, POWER TRANSFER SYSTEM, AND POWER SYSTEM
This switch control device is for controlling the operation of a switch device for switching states of electrical connection between a power storage unit of a power storage device and a power terminal of the power storage device. The switch control device comprises: a first determination unit that determines whether the voltage of the power storage unit has reached a preset first threshold; a first signal output unit that outputs a first signal for providing an advance notice that the power storage unit and the power terminal will be electrically disconnected, when the voltage of the power storage unit is determined to have reached the first threshold; and a second signal output unit that outputs to the switching device a second signal for electrically disconnecting the power storage unit and the power terminal, when a disconnection permission condition, which is the condition for permitting the power storage unit and the power terminal to be electrically disconnected, is satisfied after the first signal output unit outputs the first signal.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
7.
CONTROL DEVICE, POWER CONVERSION SYSTEM, POWER SUPPLY DEVICE, PROGRAM, AND CONTROL METHOD
In the present invention, a control device that controls output power, which is the power outputted to an electric power system by a power supply device, comprises an output control unit that operates the power supply device in one of three modes: (i) a first mode in which the magnitude of the power output is increased such that the absolute value of the rate of fluctuation indicating the ratio of the amount of fluctuation per unit of time of the power output to the rated output of the power supply device does not exceed a first threshold or is less than the first threshold; (ii) a second mode in which the magnitude of the power output is reduced such that the absolute value of the rate of fluctuation does not exceed a second threshold or is less than the second threshold; and (iii) a third mode in which the magnitude of the power output is preserved such that the absolute value of the rate of fluctuation does not exceed a third threshold or is less than the third threshold.
The present invention includes: a power transmission/reception unit that transmits/receives power between a first assembled battery and a second assembled battery; a first power line electrically connected to a positive-electrode terminal of the first assembled battery and electrically connected to a positive-electrode terminal of the second assembled battery via the power transmission/reception unit; a second power line electrically connected to a negative-electrode terminal of the first assembled battery and electrically connected to a negative-electrode terminal of the second assembled battery via the power transmission/reception unit; and a limitation unit arranged between the positive-electrode terminal of the first assembled battery and the first power line, or the negative-electrode terminal of the first assembled battery and the second power line, and limits transmission/reception of power between the first assembled battery and the second assembled battery via the power transmission/reception unit. The first assembled battery and the second assembled battery are connected in series. The power transmission/reception unit transmits and receives power between the first assembled battery and the second assembled battery via the first power line and the second power line. The limitation unit limits transmission/reception of power between the first assembled battery and the second assembled battery via the power transmission/reception unit upon detection of abnormality regarding power transmission or power reception in the power transmission/reception unit.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
A first electric storage device includes a first switching unit disposed between a wiring and the first electric storage unit and configured to switch an electrical connection relationship between the wiring and the first electric storage unit based on a voltage difference between the wiring and the first electric storage unit. A second electric storage device includes a second switching unit disposed between the wiring and the second electric storage unit and configured to switch an electrical connection relationship between the wiring and the second electric storage unit based on a voltage difference between the wiring and the second electric storage unit. A charge end voltage of the first electric storage unit is equal to or less than a full charging voltage of the first electric storage unit, and is greater than a charge end voltage of the second electric storage unit.
An electric storage system to which a first electric storage device and a second electric storage device connected in parallel can be mounted decides a rated voltage of the first electric storage device in an electric storage system having at least one of (A) a discharge standby stage and (B) a charge standby stage. It decides a large and small relationship between the rated voltage of the electric storage device for which at least one of (i) an accumulated time, (ii) an accumulated power amount, and (iii) an accumulated number is decided to be made higher among the first electric storage device and the second electric storage device, and the rated voltage of the other electric storage device. It decides the rated voltage of the first electric storage device such that the large and small relationship decided in the large and small relationship deciding step is achieved.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
A first energy storage device is arranged between a wiring and a first energy storage unit, and has a first switching unit that switches the electrical connection relationship of the wiring and the first energy storage unit based on the voltage difference between the wiring and the first energy storage unit. A second energy storage device is arranged between the wiring and a second energy storage unit, and has a second switching unit that switches the electrical connection relationship between the wiring and the second energy storage unit based on the voltage difference between the wiring and the second storage unit. The first energy storage unit may include a first type of secondary battery. The second energy storage unit may include a second type of secondary battery. The charging end voltage of the first energy storage unit is the full charge voltage of the first energy storage unit or less, and is greater than the charging end voltage of the second energy storage unit.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
An electric storage system is provided including a switching unit which is arranged between an electric storage unit of an electric storage device which is configured to be connectable in parallel with another power supply device and wire which is configured to electrically connect the electric storage device and the another power supply device, wherein the switching unit is configured to switch the electrical connection relationship between the wire and the electric storage unit; and a restriction unit which is connected in parallel with the switching unit between the wire and the electric storage unit, has a higher resistance than the switching unit, and is configured to cause current to flow in a direction from the electric storage unit to the wire and suppress current flowing in a direction from the wire to the electric storage unit.
A switching unit is included, which is arranged between a first electric storage unit of a first electric storage device configured to be connectable in parallel with a second electric storage device and a wire electrically connecting the first electric storage device and the second electric storage device, and which is configured to switch a electrical connection relationship of the wire and the first electric storage unit. A restricting unit is included, which is connected in parallel with the switching unit between the wire and the first electric storage unit, has a higher resistance than the switching unit, and is configured to cause a current to flow in the direction from the wire to the first electric storage unit and suppress current flowing in the direction from the first electric storage unit to the wire.
The present invention includes: a switching unit which is disposed between a first power storage unit in a first power storage device configured to be able to be connected in parallel with a second power storage device and a wiring that electrically connects the first power storage device and the second power storage device, and which switches the electric connection relationship between the wiring and the first power storage unit. The present invention includes a limiting unit which is connected in parallel with the switching unit between the wiring and the first power storage unit, has larger resistance than the switching unit, passes a current in a direction from the wiring towards the first power storage unit, and restrains the passage of a current in a direction from the first power storage unit towards the wiring. Even when an over-charged state is maintained, a cell system of the first power storage device is represented by a reaction equation that does not cause an irreversible change in the cell system in principle. When an over-charged state is maintained, a cell system of the second power storage device is represented by a reaction equation that causes an irreversible change in the cell system in principle.
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
This electricity storage system is provided with: a switching unit which is disposed between an electricity storage unit of an electricity storage device configured to be capable of being connected in parallel with another electric power supply device, and a wiring line electrically connecting the electricity storage device and the other electric power supply device, and which switches an electrical connection relationship of the wiring line and the electricity storage unit; and a limiting unit which is connected in parallel with the switching unit between the wiring line and the electricity storage unit, has a greater resistance than the switching unit, allows current to pass in a direction from the electricity storage unit toward the wiring line, and restricts the passage of current in a direction from the wiring line toward the electricity storage unit.
H02H 7/18 - 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 batteriesEmergency 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 accumulators
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
16.
Control device, control system, electric storage device and computer-readable medium
The control device controls an adjusting unit that adjusts current flowing between an electric storage unit of an electric storage device configured such that the electric storage device can be connected in parallel with a distinct power supply device, and a wire that electrically connects the electric storage device and the distinct power supply device. The control device includes a current detecting unit that detects (i) current flowing between the wire and the electric storage unit in the second direction or (ii) current flowing between the wire and the electric storage unit when the first current adjusting unit electrically disconnects the wire and the electric storage unit, and an operation control unit that controls operation of the first current adjusting unit based on (i) voltage or SOC of the electric storage unit and (ii) a detection result of the current detecting unit.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
17.
Control device, balance correcting system, electric storage system and device
A control device includes: a first path for: electrically connecting (i) a power source unit or reference potential that provides a potential, voltage or current for generating a drive signal of a switching element and (ii) a receiving unit that receives the drive signal in the switching element; and supplying the drive signal to the switching element; and a second path for: electrically connecting (i) the power source unit or the reference potential and (ii) the receiving unit; and supplying the drive signal to the switching element. (i) A value of a combined resistance of a wire of the second path and one or more elements disposed in the second path is greater than (ii) a value of a combined resistance of a wire of the first path and one or more elements disposed in the first path.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
18.
Management device, electric storage device, electric storage system and electric apparatus for managing charging and discharging of a plurality of electric storage cells connected in series
Charging and discharging of a plurality of electric storage cells connected in series are: managed by equalizing voltages of a plurality of electric storage cells; and, without disconnecting or shifting an electrical connection between (a) the plurality of electric storage cells and (b-1) a load which uses electric power of the plurality of electric storage cells or (b-2) a charging device which charges the plurality of electric storage cells, (i) sending electric power of the plurality of electric storage cells to an external apparatus which is different from the load and the charging device, or (ii) receiving receives electric power supplied to the plurality of electric storage cells from the external apparatus.
G01R 31/396 - Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
B60L 58/22 - Balancing the charge of battery modules
B60L 58/19 - Switching between serial connection and parallel connection of battery modules
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
B60L 58/21 - 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 having the same nominal voltage
19.
Control device, balance correction device, electric storage system and apparatus
A control device for controlling a balance correction device which equalizes voltages of a first electric storage cell and a second electric storage cell connected in series includes: a current information acquiring unit which acquires information about a current value of current flowing in an inductor; and a control signal supplying unit which supplies the balance correction device with a control signal for controlling the balance correction device, such that a valley in an absolute value of the current value satisfies a predetermined condition, based on information about the current value acquired by the current information acquiring unit, during at least part of a period of time in which the balance correction device operates.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 1/12 - Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
20.
Control device, electric storage device, electric storage system, and computer-readable medium
When one of the electric storage modules connected in parallel is individually replaced, the voltage of an electric storage module to be newly added and the voltage of the remaining electric storage module(s) need to match each other with high precision before the electric storage module to be newly added is attached to an electric storage system. A control device includes a control unit for controlling a switching element arranged between a wire and an electric storage unit such that: (i) the switching element electrically connects the wire and the electric storage unit if terminal voltage of the switching element satisfies a predetermined condition; and (ii) the switching element electrically disconnects the wire and the electric storage unit if the terminal voltage of the switching element does not satisfy the predetermined condition.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Apparatus for monitoring and controlling battery charging and discharging (battery management system); measuring or testing machines and instruments; power distribution or control machines and apparatus; rotary converters; phase modifiers; electrical power supplies; battery chargers; battery packs; accumulators [batteries]; electrical cells and batteries; conductors, electric; remote control telemetering machines and instruments; electrical communication machines and instruments; integrated circuits; computer software for monitoring and controlling battery charging and discharging; computer software; computer hardware; capacitors; circuit breakers; circuit breaker load centers; circuit closers; circuit interrupters; commutators; contactors; current rectifiers; current limiters; electronic contacts; electronic collectors; electronic conductors; electronic connectors; electronic controllers; electronic inductors; electronic power supplies; electricity distribution boards and boxes; electricity distribution consoles; electricity switchboards and switchboxes; parts of the aforementioned goods. Providing design, testing, researching and development services relating to apparatus for monitoring and controlling battery charging and discharging (battery management system) as well as providing consultancy and information relating thereto; providing design, testing, researching and development services relating to electrical cells and batteries as well as providing consultancy and information relating thereto; design and development of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments as well as providing consultancy and information relating thereto; programming and maintenance of computer software including computer software for monitoring and controlling battery charging and discharging as well as providing consultancy and information relating thereto; programming and maintenance of computer programs as well as providing consultancy thereto; testing or research on machines, apparatus and instruments; rental of computers; providing computer programs on data networks.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing design, testing, researching and development services relating to apparatus for monitoring and controlling battery charging and discharging as well as providing consultancy and information relating thereto; providing design, testing, researching and development services relating to electrical cells and batteries as well as providing consultancy and information relating thereto; design and development of machines, apparatus, instruments, including their parts, or systems composed of such machines, apparatus and instruments as well as providing consultancy and information relating thereto; Computer programming and maintenance of computer software including computer software for monitoring and controlling battery charging and discharging as well as providing consultancy and information relating thereto; Computer programming and maintenance of computer programs as well as providing consultancy thereto; testing or research on machines, apparatus and instruments; providing computer programs on data networks, namely, providing temporary use of non-downloadable software for monitoring and controlling battery performance
09 - Scientific and electric apparatus and instruments
Goods & Services
Battery management systems, namely, hardware and computer software for monitoring and managing battery charging, output, and performance and for thermal control; power measuring machines and instruments for use in measuring battery voltage, capacity and temperature, battery condition, battery performance, electric current; power distribution and control machines and apparatus, namely, switching power supplies, electrical power supplies; rotary converters; phase modifiers; electrical power supplies; battery chargers; battery packs; accumulators and batteries; electrical cells and batteries; conductors, electric; remote control telemetering machines and instruments; electrical communication machines and instruments, namely, apparatus for transmission of communication, communication hubs, automatic switching apparatus, telecommunication base stations, telecommunication exchangers, telecommunication towers, and wireless communication devices for voice, data or image transmission; integrated circuits; computer software for monitoring and controlling battery charging and discharging; computer software for monitoring and controlling battery performance; electronic machines, apparatus and their parts, namely, capacitors, circuit breakers, circuit breaker load centers, circuit closers, circuit interrupters, commutators, contactors, current rectifiers, current limiters, electric contacts, electric collectors, electric conductors, electric connectors, electric controllers, electric inductors, electric power supplies, electricity distribution boards and boxes, electricity distribution consoles, electricity switchboards and switchboxes
24.
CONTROL DEVICE, POWER STORAGE DEVICE, AND POWER STORAGE SYSTEM
When attempting to individually replace a single module among power storage modules connected in parallel, it is necessary to match, with high precision, the voltage of a power storage module to be newly added and the voltage of the other remaining power storage modules, before installing the new power storage module in the power storage system. The present invention is provided with a control unit that controls a switching element so that (i) the switching element electrically connects a wire and a power storage unit if the inter-terminal voltage of the switching element disposed between the wire and the power storage unit satisfies a predetermined condition, and (ii) the switching element electrically disconnects the wire and the power storage unit if the inter-terminal voltage of the switching element does not satisfy the predetermined condition.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
25.
Balance correction control apparatus, balance correction system and electric storage system
Provided is a balance correction control apparatus to control a balance correction apparatus designed to correct a balance between voltages of a first electric storage cell and a second electric storage cell connected in series based on a target setting for an SOC of each of the first electric storage cell and the second electric storage cell. The balance correction control apparatus includes a cell characteristic obtaining unit operable to obtain at least one cell characteristic selected from the group consisting of a degree of deterioration, a cell capacity and a temperature of each of the first electric storage cell and the second electric storage cell, and a target setting determining unit operable to determine the target setting for the SOC of each of the first electric storage cell and the second electric storage cell based on the at least one cell characteristic obtained by the cell characteristic obtaining unit.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
A balance correction apparatus is stopped at an appropriate timing. Provided are an inductor; a first switching device electrically connected between another end of the inductor and another end of the first electric storage cell; a second switching device electrically connected between another end of the inductor and another end of the second electric storage cell; and a control section supplying a control signal to control ON/OFF operations of the first switching device and the second switching device, to the first switching device and the second switching device, where the control section obtains information representing a voltage difference between the first electric storage cell and the second electric storage cell, and the control section supplies the control signal to cause both of the first switching device and the second switching device to operate to be OFF, when the voltage difference is equal to or smaller than a predetermined value.
