In accordance with one aspect of the present disclosure, a method for generating hydrogen is provided. The method includes producing AC electric current from a hydroelectric turbine deployed under water at an offshore site. The method also includes converting the AC electric current into DC electric current and applying the DC electric current to an electrolyzer positioned above water at the offshore site of the hydroelectric turbine. The method further includes generating hydrogen via the electrolyzer.
A hydroelectric energy system in accordance with the present disclosure includes a stationary ring structure including a stationary ring foundation and a stationary ring backing. The system also includes a rotating ring structure including a rotating ring foundation and a blade support ring disposed radially outward of the rotating ring foundation. The rotating ring foundation is disposed radially outward of the stationary ring foundation and is configured to rotate around the stationary ring foundation about an axis of rotation. The system further includes at least one bearing mechanism configured to support the rotating ring structure relative to the stationary ring structure during rotation of the rotating ring foundation around the stationary ring foundation. During the rotation, the stationary ring backing is configured to be in compression and to support the stationary ring foundation, the rotating ring foundation, and the blade support ring in a stacked configuration within a fluid current.
A hydroelectric energy system includes a turbine including a stator and a rotor. The rotor is disposed radially outward of the stator and is rotatable around the stator about an axis of rotation. The system also includes a mechanical power conversion assembly including a gear operably coupled to a generator. The system further includes a mechanical power transmission assembly operably coupling the rotor to the gear. The rotor includes a plurality of blades configured to rotate in response to fluid flow interacting with the plurality of blades. The mechanical power conversion assembly is at a location spaced from the axis of rotation by a distance larger than a radial sweep of the blades. The mechanical power transmission assembly is configured to transmit the rotation of the rotor to the gear.
In accordance with one aspect of the present disclosure, a method for generating hydrogen is provided. The method includes producing AC electric current from a hydroelectric turbine deployed under water at an offshore site. The method also includes converting the AC electric current into DC electric current and applying the DC electric current to an electrolyzer positioned above water at the offshore site of the hydroelectric turbine. The method further includes generating hydrogen via the electrolyzer.
B63B 25/16 - Installations de chargement, p. ex. pour le rangement ou l'arrimageNavires spécialisés à cet effet pour chargement de marchandises fluides fermées isolées de la chaleur
B63B 35/44 - Constructions, magasins, plates-formes de forage ou ateliers flottants, p. ex. portant des appareils séparateurs huile-eau
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
F25J 1/00 - Procédés ou appareils de liquéfaction ou de solidification des gaz ou des mélanges gazeux
5.
HYDROELECTRIC ENERGY SYSTEMS AND METHODS OF MANUFACTURING THE SAME
A hydroelectric energy system in accordance with the present disclosure includes a stationary ring structure including a stationary ring foundation and a stationary ring backing. The system also includes a rotating ring structure including a rotating ring foundation and a blade support ring disposed radially outward of the rotating ring foundation. The rotating ring foundation is disposed radially outward of the stationary ring foundation and is configured to rotate around the stationary ring foundation about an axis of rotation. The system further includes at least one bearing mechanism configured to support the rotating ring structure relative to the stationary ring structure during rotation of the rotating ring foundation around the stationary ring foundation. During the rotation, the stationary ring backing is configured to be in compression and to support the stationary ring foundation, the rotating ring foundation, and the blade support ring in a stacked configuration within a fluid current.
In accordance with one aspect of the present disclosure, a method for generating hydrogen is provided. The method includes producing AC electric current from a hydroelectric turbine deployed under water at an offshore site. The method also includes converting the AC electric current into DC electric current and applying the DC electric current to an electrolyzer positioned above water at the offshore site of the hydroelectric turbine. The method further includes generating hydrogen via the electrolyzer.
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
F25J 1/00 - Procédés ou appareils de liquéfaction ou de solidification des gaz ou des mélanges gazeux
B63B 25/16 - Installations de chargement, p. ex. pour le rangement ou l'arrimageNavires spécialisés à cet effet pour chargement de marchandises fluides fermées isolées de la chaleur
B63B 35/44 - Constructions, magasins, plates-formes de forage ou ateliers flottants, p. ex. portant des appareils séparateurs huile-eau
7.
FILTRATION SYSTEMS AND METHODS FOR HYDROELECTRIC TURBINES
In accordance with one aspect of the present disclosure, a turbine is provided. The turbine includes a stator and a rotor configured to rotate around an axis of rotation and relative to the stator in response to flow of a fluid from a fluid source. The rotor and stator comprise opposing bearing surfaces separated by a bearing gap formed by a fluid entering the bearing gap during rotation of the rotor. The turbine also includes a filtering mechanism arranged in a path of the flow of the fluid upstream of the fluid entering the bearing gap. The turbine further includes an electricity generation system configured to produce electrical current in response to rotation of the rotor relative to stator.
F03B 11/08 - Parties constitutives ou détails non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes pour éliminer les corps étrangers, p. ex. la boue
8.
Systems and methods for deploying hydroelectric energy systems
A method for deploying a payload at a subaquatic deployment location includes submersing a submersible aquatic vehicle in a body of water. The submersible aquatic vehicle carries a payload. The method also includes driving the submersible aquatic vehicle to a deployment location under the body of water while the submersible aquatic vehicle carries the payload in a first position. The method additionally includes at the deployment location, moving the payload from the first position to a second position. The method further includes deploying the payload from the second position to a deployment position at the deployment location.
B63B 73/30 - Déplacement ou transport de modules ou de sous-ensembles de coque jusqu’aux lieux d’assemblage, p. ex. par roulement, levage ou flottaison
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
B63B 21/50 - Dispositifs d'ancrage pour navires spéciaux, p. ex. pour plates-formes flottantes de forage ou dragues
E21B 7/02 - Appareils de forage caractérisés par des moyens de transport terrestre, p. ex. montés sur des patins ou des roues
E21B 7/124 - Forage sous l'eau avec des moyens sous-marins d'entraînement de l'outil, p. ex. appareils de forage mobiles destinés à être utilisés sur les fonds sous-marins
9.
HYDROELECTRIC ENERGY SYSTEMS AND METHODS FOR MECHANICAL POWER TRANSMISSION AND CONVERSION
A hydroelectric energy system includes a turbine including a stator and a rotor. The rotor is disposed radially outward of the stator and is rotatable around the stator about an axis of rotation. The system also includes a mechanical power conversion assembly including a gear operably coupled to a generator. The system further includes a mechanical power transmission assembly operably coupling the rotor to the gear. The rotor includes a plurality of blades configured to rotate in response to fluid flow interacting with the plurality of blades. The mechanical power conversion assembly is at a location spaced from the axis of rotation by a distance larger than a radial sweep of the blades. The mechanical power transmission assembly is configured to transmit the rotation of the rotor to the gear.
F03B 3/04 - "Machines" ou machines motrices du type "à réaction"Parties constitutives ou détails particuliers les concernant à écoulement à travers les rotors essentiellement axial, p. ex. turbopropulseurs
A hydroelectric energy system includes a turbine including a stator and a rotor. The rotor is disposed radially outward of the stator and is rotatable around the stator about an axis of rotation. The system also includes a mechanical power conversion assembly including a gear operably coupled to a generator. The system further includes a mechanical power transmission assembly operably coupling the rotor to the gear. The rotor includes a plurality of blades configured to rotate in response to fluid flow interacting with the plurality of blades. The mechanical power conversion assembly is at a location spaced from the axis of rotation by a distance larger than a radial sweep of the blades. The mechanical power transmission assembly is configured to transmit the rotation of the rotor to the gear.
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
F03B 11/00 - Parties constitutives ou détails non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes
F03B 3/04 - "Machines" ou machines motrices du type "à réaction"Parties constitutives ou détails particuliers les concernant à écoulement à travers les rotors essentiellement axial, p. ex. turbopropulseurs
In accordance with various embodiments of the present disclosure, a hydroelectric turbine includes a stator and a rotor disposed radially outward of the stator. The rotor is rotatable around the stator about an axis of rotation. The turbine also includes a generator disposed along the axis of rotation. The generator is stationary and coupled to the stator. The turbine additionally includes a gear disposed along the axis of rotation. The gear is operably coupled to the generator. The turbine further includes a plurality of blades operably coupled to and extending radially outwardly from the gear. The plurality of blades is fixed to the rotor to rotate the rotor in response to fluid flow interacting with the blades.
A method for deploying a payload at a subaquatic deployment location includes submersing a submersible aquatic vehicle in a body of water. The submersible aquatic vehicle carries a payload. The method also includes driving the submersible aquatic vehicle to a deployment location under the body of water while the submersible aquatic vehicle carries the payload in a first position. The method additionally includes at the deployment location, moving the payload from the first position to a second position. The method further includes deploying the payload from the second position to a deployment position at the deployment location.
B63B 77/10 - Transport ou installation de structures en mer sur site par flottaison, p. ex. en utilisant des barges semi-submersibles, en ballastant la structure ou transport de plateformes pétrolières-gazières spécialement adaptés aux installations de production d'énergie électrique, p. ex. aux éoliennes ou aux générateurs à turbine marémotrice
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
A method for deploying a payload at a subaquatic deployment location includes submersing a submersible aquatic vehicle in a body of water. The submersible aquatic vehicle carries a payload. The method also includes driving the submersible aquatic vehicle to a deployment location under the body of water while the submersible aquatic vehicle carries the payload in a first position. The method additionally includes at the deployment location, moving the payload from the first position to a second position. The method further includes deploying the payload from the second position to a deployment position at the deployment location.
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
In accordance with various embodiments of the present disclosure, an orbital magnetic gear includes a gear shaft. The orbital magnetic gear also includes a first stator magnet ring fixed at a. first axial position along the gear shaft and a second stator magnet ring fixed at a second axial position along the gear shaft and adjacent the first stator magnet ring. The orbital magnetic gear further includes a rotor magnet ring rotatably coupled to the gear shaft. The rotor magnet ring is canted relative to the gear shaft and to the first and second stator magnet rings.
In accordance with various embodiments of the present disclosure, an orbital magnetic gear includes a gear shaft. The orbital magnetic gear also includes a first stator magnet ring fixed at a. first axial position along the gear shaft and a second stator magnet ring fixed at a second axial position along the gear shaft and adjacent the first stator magnet ring. The orbital magnetic gear further includes a rotor magnet ring rotatably coupled to the gear shaft. The rotor magnet ring is canted relative to the gear shaft and to the first and second stator magnet rings.
In accordance with various embodiments of the present disclosure, a hydroelectric turbine includes a stator and a rotor disposed radially outward of the stator. The rotor is rotatable around the stator about an axis of rotation. The turbine also includes a generator disposed along the axis of rotation. The generator is stationary and coupled to the stator. The turbine additionally includes a gear disposed along the axis of rotation. The gear is operably coupled to the generator. The turbine further includes a plurality of blades operably coupled to and extending radially outwardly from the gear. The plurality of blades is fixed to the rotor to rotate the rotor in response to fluid flow interacting with the blades.
In accordance with various embodiments of the present disclosure, a hydroelectric turbine includes a stator and a rotor disposed radially outward of the stator. The rotor is rotatable around the stator about an axis of rotation. The turbine also includes a generator disposed along the axis of rotation. The generator is stationary and coupled to the stator. The turbine additionally includes a gear disposed along the axis of rotation. The gear is operably coupled to the generator. The turbine further includes a plurality of blades operably coupled to and extending radially outwardly from the gear. The plurality of blades is fixed to the rotor to rotate the rotor in response to fluid flow interacting with the blades.
A hydroelectric energy system includes a stator including a first plurality of electricity-generating elements. The system also includes a rotor including a second plurality of electricity-generating elements. The rotor is disposed radially outward of an outer circumferential surface of the stator and is configured to rotate around the stator about an axis of rotation. The rotor is a flexible belt structure having a variable thickness and extending along a portion of an axial length of the stator. The system further includes at least one hydrodynamic bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator. The at least one hydrodynamic bearing mechanism includes a bearing surface made of wood or a composite material.
A hydroelectric turbine may include a stator comprising a first plurality of electricity-generating elements and a rotor comprising a second plurality of electricity-generating elements. The rotor may be disposed radially outward of an outer circumferential surface of the stator and configured to rotate around the stator about an axis of rotation. The rotor may be a flexible belt structure. The turbine may further include at least one bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator.
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 7/09 - Association structurelle avec des paliers avec des paliers magnétiques
F16C 17/14 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge spécialement adaptés au fonctionnement dans l'eau
F16C 33/18 - Surface de glissement principalement constituée de bois ou d'un matériau fibreux
F16C 32/04 - Paliers non prévus ailleurs faisant usage de moyens de support magnétiques ou électriques
21.
HYDROELECTRIC ENERGY SYSTEMS, AND RELATED COMPONENTS AND METHODS
A hydroelectric energy system includes a stator comprising a first plurality of electricity-generating elements. The system also includes a rotor comprising a second plurality of electricity-generating elements. The rotor is disposed radially outward of an outer circumferential surface of the stator and is configured to rotate around the stator about an axis of rotation. The rotor is a flexible belt structure having a variable thickness and extending along a portion of an axial length of the stator. The system further includes at least one hydrodynamic bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator. The at least one hydrodynamic bearing mechanism includes a bearing surface made of wood or a composite material.
A method of manufacturing a hydroelectric energy system comprising assembling a concrete stator; sliding a plurality of composite arcs forming a rotor around a radially circumferential surface of the concrete stator, wherein the composite arcs are slid over a plurality of teeth on the concrete stator; and bolting the teeth to the concrete stator.
F03B 3/04 - "Machines" ou machines motrices du type "à réaction"Parties constitutives ou détails particuliers les concernant à écoulement à travers les rotors essentiellement axial, p. ex. turbopropulseurs
F03B 11/00 - Parties constitutives ou détails non couverts par les groupes ou présentant un intérêt autre que celui visé par ces groupes
F03B 13/12 - Adaptations des "machines" ou machines motrices pour une utilisation particulièreCombinaisons des "machines" ou machines motrices avec les appareils entraînés ou qu'ils entraînentCentrales électriques ou ensembles machine-appareil caractérisés par leur utilisation de l'énergie des vagues ou des marées
F03B 17/06 - Autres "machines" ou machines motrices utilisant un écoulement de liquide, p. ex. du type à clapets oscillants
23.
HYDROELECTRIC ENERGY SYSTEMS, AND RELATED COMPONENTS AND METHODS
A hydroelectric energy system includes a stator comprising a first plurality of electricity-generating elements. The system also includes a rotor comprising a second plurality of electricity-generating elements. The rotor is disposed radially outward of an outer circumferential surface of the stator and is configured to rotate around the stator about an axis of rotation. The rotor is a flexible belt structure having a variable thickness and extending along a portion of an axial length of the stator. The system further includes at least one hydrodynamic bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator. The at least one hydrodynamic bearing mechanism includes a bearing surface made of wood or a composite material.
An energy conversion system includes a stationary structure and a rotatable structure configured to rotate relative to the stationary structure. The system includes at least one blade member mounted to and extending radially outward from the rotatable structure. The blade member is configured to interact with fluid currents to cause the rotatable structure to rotate about an axis of rotation. The system includes a first magnetic bearing component disposed on the rotatable structure and a second magnetic bearing component disposed on the stationary structure. The magnetic bearing components have an aligned position in which the components are axially aligned along the axis of rotation with respect to each other. Axial displacement of the magnetic bearing components from the aligned position generates a magnetic field between the components that provides an axially-directed restoring force between the rotatable structure and the stationary structure to reposition the components to the aligned position.
A hydroelectric turbine may include a stator comprising a first plurality of electricity-generating elements and a rotor comprising a second plurality of electricity- generating elements. The rotor may be disposed radially outward of an outer circumferential surface of the stator and configured to rotate around the stator about an axis of rotation. The rotor may be a flexible belt structure. The turbine may further include at least one bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator.
F16C 17/14 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge spécialement adaptés au fonctionnement dans l'eau
F16C 32/04 - Paliers non prévus ailleurs faisant usage de moyens de support magnétiques ou électriques
F16C 33/06 - Surface de glissement principalement constituée de métal
F16C 33/18 - Surface de glissement principalement constituée de bois ou d'un matériau fibreux
H02K 21/00 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents
26.
HYDROELECTRIC TURBINES, ANCHORING STRUCTURES, AND RELATED METHODS OF ASSEMBLY
A hydroelectric turbine may include a stator comprising a first plurality of electricity-generating elements and a rotor comprising a second plurality of electricity- generating elements. The rotor may be disposed radially outward of an outer circumferential surface of the stator and configured to rotate around the stator about an axis of rotation. The rotor may be a flexible belt structure. The turbine may further include at least one bearing mechanism configured to support the rotor relative to the stator during rotation of the rotor around the stator.
F16C 32/04 - Paliers non prévus ailleurs faisant usage de moyens de support magnétiques ou électriques
F16C 17/14 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge spécialement adaptés au fonctionnement dans l'eau
F16C 33/06 - Surface de glissement principalement constituée de métal
F16C 33/18 - Surface de glissement principalement constituée de bois ou d'un matériau fibreux
H02K 21/00 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents
A hydroelectric turbine may include a stator comprising an electricity generating portion having coils and a rotor supported relative to the stator and configured to rotate relative to the stator about an axis of rotation. The turbine may also include a plurality of magnets arranged so as to generate electricity in the coils as the rotor rotates relative to the stator. The turbine may further include a plurality of first blade portions and second blade portions supported on the rotor. Each first blade portion may be radially outside of a circumference of the rotor and each second blade portion may be radially within the circumference of the rotor. Each blade portion may be angled in a tangential direction and angled downstream in an axial direction.
F03B 3/04 - "Machines" ou machines motrices du type "à réaction"Parties constitutives ou détails particuliers les concernant à écoulement à travers les rotors essentiellement axial, p. ex. turbopropulseurs
An energy recovery system may comprise a stationary structure and a rotatable structure configured to rotate relative to the stationary structure about an axis of rotation. The energy recovery system may also comprise at least one blade member mounted to and extending radially outward from the rotatable structure, the at least one blade member being configured to interact with fluid currents flowing in a direction substantially parallel to the axis of rotation to cause the rotatable structure to rotate about the axis of rotation. The energy recovery system may further comprise a magnetic suspension system comprising a plurality of magnets and a plurality of coils, wherein the plurality of magnets and the plurality of coils provide a magnetic force that substantially maintains an axial and radial position of the rotatable structure and the stationary structure as the rotatable structure rotates about the stationary structure.
An energy conversion system may include a stationary structure, a rotatable structure configured to rotate relative to the stationary structure, wherein the rotatable structure defines an axis of rotation. The system may further include at least one blade member mounted to and extending radially outward from the rotatable structure, the at least one blade member being configured to interact with fluid currents flowing in a direction substantially parallel to the axis of rotation to cause the rotatable structure to rotate about the axis of rotation, and at least one bearing mechanism disposed to provide at least one of a radial and axial bearing between the rotatable structure and the stationary structure as the rotatable structure rotates about the stationary structure. The system may be configured to convert rotation of the rotatable structure to at least one of electricity and hydrogen production.
A system for energy conversion may comprise at least one floating support structure configured to float on a body of water, at least one anchoring device configured to anchor the at least one floating support structure in a substantially stationary position on the body of water, and at least one energy conversion device mounted to the at least one floating support structure so as to be submergible in the water body in a substantially stationary position. In a submerged position, water currents in the water body may interact with the at least one energy conversion device to generate electricity.
An apparatus for generating electricity from fluid currents comprises a continuous loop structure and at least one blade movably mounted relative to the continuous loop structure and extending in a direction radially outward relative to the continuous loop structure, the at least one blade being configured to rotate about an axis of the continuous loop structure. The at least one blade may be configured to interact with fluid currents moving in a direction approximately parallel to the axis of the continuous loop structure to rotate the at least one blade about the axis of the continuous loop structure. At least a portion of the least one blade may intersect a plane of the continuous loop structure that is substantially perpendicular to the axis of the continuous loop structure. Rotation of the at least one blade may generate electrical energy.
A system for generating electricity from fluid currents having one or more trolleys (2) that move along a closed-loop track (1) as a result of the action of fluid currents on one or more blades (11) attached to each trolley (2). Spacing between trolleys (2) is preferably maintained by a spacing ring (13) to which the trolleys (2) are attached. Optionally, one or more blades (11) may be attached to the spacing ring (13). The trolleys (2) are supported and guided either by wheels (4) or magnetic levitation (5). Electrical energy is preferably created by the movement of magnets (14) in an electrical ring (15) attached to the trolleys (2) with respect to a conductor (16) connected to the track (1).
F03D 5/04 - Autres mécanismes moteurs à vent les pièces en contact avec le vent étant fixées à des chariots se déplaçant sur des voies ou à un dispositif similaire
F03B 9/00 - "Machines" ou machines motrices du type à chaîne sans fin
F03B 13/18 - Utilisation du mouvement relatif entre un élément déplacé par les vagues et un autre élément l'autre élément étant fixé, à au moins un point, par rapport au fond ou au bord de la mer
33.
SYSTEM FOR GENERATING ELECTRICITY FROM FLUID CURRENTS
A system for generating electricity from fluid currents having one or more trolleys (2) that move along a closed-loop track (1) as a result of the action of fluid currents on one or more blades (11) attached to each trolley (2). Spacing between trolleys (2) is preferably maintained by a spacing ring (13) to which the trolleys (2) are attached. Optionally, one or more blades (11) may be attached to the spacing ring (13). The trolleys (2) are supported and guided either by wheels (4) or magnetic levitation (5). Electrical energy is preferably created by the movement of magnets (14) in an electrical ring (15) attached to the trolleys (2) with respect to a conductor (16) connected to the track (1).
F03D 5/04 - Autres mécanismes moteurs à vent les pièces en contact avec le vent étant fixées à des chariots se déplaçant sur des voies ou à un dispositif similaire
F03D 9/00 - Adaptations des mécanismes moteurs à vent pour une utilisation particulièreCombinaisons des mécanismes moteurs à vent avec les appareils qu’ils entrainentMécanismes moteurs à vent spécialement adaptés à l’installation dans des endroits particuliers
F03B 9/00 - "Machines" ou machines motrices du type à chaîne sans fin
F03B 13/18 - Utilisation du mouvement relatif entre un élément déplacé par les vagues et un autre élément l'autre élément étant fixé, à au moins un point, par rapport au fond ou au bord de la mer
34.
System for generating electricity from fluid currents
A system for generating electricity from fluid currents having one or more trolleys that move along a closed-loop track as a result of the interaction of fluid currents on one or more blades attached to each trolley. Electrical energy may be generated by the movement of the one or more trolleys along the track.
