| Entries |
| Document | Title | Date |
|---|
| 20080211310 | PORTABLE POWER SUPPLY APPARATUS CAPABLE OF RECEIVING AC OR DC INPUT POWER - A portable power supply apparatus is provided. The portable power supply apparatus includes an AC-to-DC power adapter, a DC power connector, a DC-to-DC power adapter and an extension power cable. The AC-to-DC power adapter is employed for receiving AC power. The DC power connector is employed for receiving DC power. The DC-to-DC power adapter includes a first DC power input portion, a DC-to-DC power converting circuit and a first DC power output portion. The first DC power input portion is selectively connected to the AC-to-DC power adapter or the DC power connector for receiving a first input DC voltage from the AC-to-DC power adapter or a second input DC voltage from the DC power connector. The DC-to-DC power converting circuit is electrically connected to the first DC power input portion for converting the first input DC voltage or the second input DC voltage into a first DC output voltage. The first DC power output portion is electrically connected to the DC-to-DC power converting circuit for receiving and outputting the first DC output voltage. The extension power cable is connected between the AC-to-DC power adapter and the DC-to-DC power adapter and/or connected to the AC-to-DC power adapter. | 09-04-2008 |
| 20080303348 | INTEGRATED MULTIPLE FUEL RENEWABLE ENERGY SYSTEM - A system for continuously generating baseload electrical energy entirely from renewable resources and transmitting the generated electrical energy to a transmission grid includes, in combination, a first energy generation device for continuously generating electrical energy output, which has a bio-mass fuel supply requirement for generating the electrical energy. One or more additional energy generation devices provide, as available, intermittent electrical and thermal energy for substituting, or supplementing, the electrical energy output of the first energy generation device, and for supplementing the fuel supply requirement for the first energy generation device. A switching device ensures a least-cost generation of baseload electrical energy from the generating system by selectively using the output of the first energy generation device or, as available, the one or more additional energy generation device for substituting, or supplementing, the electrical output of the first energy generation device, and selectively supplementing the fuel supply requirement of the first energy generation device providing, at a minimum, a baseload electrical energy output exclusively from renewable energy resources. A redundant supply of combustible bio-mass fuel assets are assured by a bio-mass harvesting and logistics system which supplies such fuels directly from the source to the first energy generation device for combustion. Effluent gasses containing CO | 12-11-2008 |
| 20090146498 | POWER CONTROL APPARATUS AND ELECTRONIC APPLIANCE EQUIPPED WITH POWER CONTROL APPARATUS - A power control apparatus includes an input terminal and an output terminal for an AC signal; a DC removing capacitor connected between the input terminal and the output terminal; and a variable capacitor that is connected between the input terminal and the output terminal and whose capacitance can be changed by a control signal. One of a current and a voltage of the AC signal is controlled by changing the capacitance of the variable capacitor using the control signal, and dielectrics that form a serially connected row of capacitors composed of the DC removing capacitor and the variable capacitor are configured so as to be integrally laminated, and the control signal is applied across a dielectric that forms the variable capacitor and the AC signal is applied across the dielectrics that form the row of capacitors. | 06-11-2009 |
| 20090195077 | Intelliroad - The present invention provides for a system to generate electricity from vehicular traffic and road infrastructure. Specifically, energy of a moving vehicle may be transferred via mechanic or wind energy into electricity. Additionally, shoulders of roads allow for installment of photovoltaic cells that provide for electricity while not interfering with normal traffic patterns in the least. | 08-06-2009 |
| 20100033015 | Unitized Electric Generator and Storage System - Combined Hydro Turbine and Solar Powered Electrical Storage System - A unitized electrical generating and storage system is herein described that combines up to three sources, hydroelectric, solar and wind, of that can produce electric power. This invention encompasses an enclosed housing structure that securely and efficiently integrates multiple power generating technologies and electrical storage capacity into a single platform assembly or unit that is easy to install and implement. It can be applied to a variety of applications and locations where conventional utility power or a single renewable energy source can not be reasonably incorporated. This invention is designed to address the electrical needs of remote sites or locations where other power supply facilities or means are non-existent or difficult to impossible to implement and creates more aesthetic power generating equipment to sites along highways, roads, parks, golf courses, rivers, lakes and reservoirs. It also provides an ecological alternative to other less environmentally friendly power generating or supply options. | 02-11-2010 |
| 20100060082 | ELECTRONIC DEVICE - A digital camera includes: a battery installation part connectable to either an AC adapter or a battery; a mechanical shutter and a diaphragm; and a controller for supplying, to the mechanical shutter and the diaphragm, power from the AC adapter or battery that is connected to the battery installation part. The controller monitors a voltage output through the battery installation part during the power supply to the mechanical shutter and the diaphragm, and determines whether or not the AC adapter is connected to the battery installation part in accordance with the behavior of the monitored voltage changes. | 03-11-2010 |
| 20100084921 | Universal Power Inlet System for Power Distribution Units - The Universal Power Inlet System, or UPIS, is a method of providing universal attachment of 3 different types of electrical power systems into the input circuitry of a Power Distribution Unit, or PDU. This method allows use of either fixed or detachable power cord options permitting the PDU to be powered by any of the following types of electrical power sources: 3-Phase Delta, 3-Phase Star (or Wye) and Single-Phase. This method also describes a way to uniquely identify the specific power system the mentioned PDU is currently attached to. The method also optionally allows derivation of supplementary information about the electrical power system such as current capacity, or ampacity, of the power cord being used. All this information can be used for capacity monitoring and reporting as well as protection of PDU circuitry and power cords. | 04-08-2010 |
| 20100117452 | Delocalized Intrastructure Power Grid And Devices - The present invention relates to a delocalized power generation system with computer controls and storage optimization capacity. A plurality of power generating systems is linked to a building along with a plurality of electrical storage means. By selectively charging and discharging the storage means and by selectively picking which electrical generating means one uses, the generation of power to the structure is maximized. | 05-13-2010 |
| 20100148587 | MULTIPLE-INPUT DC-DC CONVERTER - A multiple-input DC-DC converter that is capable of power diversification among different energy sources with different voltage-current characteristics. The converter is capable of bidirectional operation in buck, boost and buck-boost modes and provides a positive output voltage without the need for a transformer. | 06-17-2010 |
| 20100156185 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING SINGLE CONVERTER AND SINGLE INVERTER, AND METHOD OF CONTROLLING THE SAME - There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed. | 06-24-2010 |
| 20100156186 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING DUAL CONVERTERS AND SINGLE INVERTER AND METHOD OF CONTROLLING THE SAME - There is provided a photovoltaic and fuel cell hybrid generation system using dual converters and a single inverter and a method of controlling the same. A photovoltaic and fuel cell (PV-FC) hybrid generation system according to an aspect of the invention may include: a PV DC/DC converter unit converting a PV output voltage into a predetermined voltage; an FC DC/DC converter unit converting an FC output voltage into a predetermined voltage; a DC link unit commonly connecting an output terminal of the PV DC/DC converter unit and an output terminal of the FC DC/DC converter unit, and linking the converted PV output voltage from the PV DC/DC converter unit to the converted FC output voltage from the FC DC/DC converter unit to thereby generate a DC voltage; and a DC/AC inverter unit converting the DC voltage from the DC link unit into a predetermined AC voltage. | 06-24-2010 |
| 20100164291 | System, socket and plug apparatus for DC power distribution and usage - A power supply system comprises an electrical power generating device producing DC electrical power in the form of a DC electrical current, a DC current conductor receiving the DC electrical current from the electrical power generating device and carrying the DC electrical current to a socket, and an AC power system transmitting AC electrical current to the socket so that the socket can be accessed by a plug inserted therein to receive the DC current or the AC current from it. The socket has four recesses in it, and each recess has a respective contact therein. Each recess is configured to receive a respective prong and make a respective electrical contact with the plug therein. A first of the contacts transmits the DC current, a second and third of the contacts transmit complementary poles of the AC electrical current, and a fourth contact connects with a grounded connection. A DC-powered electrical device has a plug with a plug body and three prongs supported on and extending from the plug body. The prongs include two AC connection prongs and a ground connection prong corresponding to prongs of a standard three-prong plug. The plug further has a fourth prong supported on the plug body into the socket to contact the DC current recess. The fourth prong is removable from the plug body, or is movably supported on the plug body so that the fourth prong may be removed or moved so that the plug can be plugged into a standard three-recess AC socket. | 07-01-2010 |
| 20100181837 | Method and Apparatus for Controlling a Hybrid Power System - The present invention provides a simplified method of controlling power among the various sources and loads in a power system. Power generating sources are each connected to a common DC bus through a converter designed to optimize power flow to the DC bus. A DC storage device is connected to the common DC bus through a power regulator designed to maintain a constant voltage on the DC bus. Further, an inverter may be provided to convert the DC voltage to an AC voltage for a customer load or for connection to the utility grid. Each power conversion device is independently controlled to provide a modular and simplified power control system. | 07-22-2010 |
| 20100181838 | Roof Power Generator - A device to generate electricity for building may include a rotating heat electric generating device including turbine blades to rotate in response to heat escaping an attic of the building, a DC/AC power inverter to convert the energy generated by the rotating turbine blades into electricity energy, a storage battery device to store the electrical energy, a switch device to receive the electrical energy from the storage battery device and to switch between a electric bus of the building or a utility service provider, and a controller to control the storage battery device and the switch device so the storage battery device selectively charges and discharges the electric power and so the switch device switches between the building and the utility service provider. The DC/AC power inverter may convert the DC power from the storage battery device to AC power for the splitter switch device, and the apparatus may include a solar electric generating device to generate electric power from the sun's rays. The solar generating electric device may be connected to an electric motor, and the solar generating electric device may be connected to the storage battery device. | 07-22-2010 |
| 20100207453 | HYBRID RENEWABLE ENERGY TURBINE USING WIND AND SOLAR POWER - An environmentally friendly combination of wind turbine and solar energy collectors are provided. Solar photovoltaic material is secured to the surface of the wind turbine tower to augment the power generation capability of a wind turbine. The wind turbine energy output is controlled by a power management program and may be combined with the solar power energy that is generated from solar photovoltaic material covering the surface area of the body of the wind turbine's tower through an electrical subsystem associated with the wind turbine, an electrical subsystem associated with the solar energy collection system, and a combination subsystem conductively coupled both the electrical subsystem associated with the wind turbine and the electrical subsystem associated with the solar energy collection system. | 08-19-2010 |
| 20100259103 | SWITCHABLE CURRENT SUPPLY FOR AUXILIARY CURRENT CIRCUITS IN A CURRENT CONVERTER - A circuit arrangement with a switchable voltage supply for a control apparatus may include a DC voltage supply terminal; and an AC voltage supply terminal; a control apparatus including at least one input, an output and at least one supply terminal; three electronic switches, each having a control electrode, a reference electrode and a working electrode, wherein the reference electrode of the first electronic switch and of the second electronic switch is coupled to the first node; wherein the working electrode of the first electronic switch is coupled to the supply terminal of the control apparatus; wherein the control electrode of the first electronic switch is coupled to a reference potential, wherein at least one further load is coupled to the working electrode of the second electronic switch. | 10-14-2010 |
| 20110101783 | Electrical Power Distribution System and Method Thereof - An electrical power distribution system and method are provided, wherein the system includes a primary generator and a secondary harvester. The primary generator includes a primary coil configured to emit an electromagnetic field when an electrical power is supplied to the primary coil, and a first communication device configured to communicate a signal. The secondary harvester includes a secondary coil configured to supply an electrical power when receiving the emitted electromagnetic field, and a second communication device configured to communicate the signal, such that the first and second communication devices communicate the signal independent from the emitted electromagnetic field. | 05-05-2011 |
| 20110109165 | APPARATUS AND METHOD FOR MANAGING A POWER SOURCE - An electrical power management apparatus and method in which a public power grid, a renewable energy source, an energy storage element and a domestic power supply network are interconnected through a controllable switch which connects the various components together in combinations which are advantageous to sensed power load and consumption circumstances. | 05-12-2011 |
| 20110169334 | Renewable Energy Appliance - A Renewable Energy Appliance incorporates an integrated, attractive, energy collection, conversion management and storage system in a self- contained deliverable structure. The appliance prioritizes the production of electrical energy using ambient wind and solar energy sources, while at the same time, providing for the substitution of fossil fuels on an expanded or as-needed basis. The appliance can be delivered, pre-assembled and programmed to provide electrical energy for many requirements with minimal environmental impact on the location site. It can be utilized in configurations to offset the grid, stand alone and/or to provide reliable back-up power to an electrical energy consuming load or grid at the point of use. The appliance can be certified to meet code compliance “plug and play” use. It is self-managed, self- supporting and includes all of the necessary equipment to safely collect, convert, store and deliver electrical power (while prioritizing the consumption of renewable energy sources), thereby reducing the carbon footprint from the grid or generator provided power. | 07-14-2011 |
| 20110181115 | Power management DC-DC converter and method for induction energy harvester - A system for managing AC energy harvested from a harvesting device ( | 07-28-2011 |
| 20110215649 | Energy storage system and method of controlling the same - An energy storage system and a method of controlling the energy storage system, the energy storage system including a power converting unit for converting a voltage output from the power generating system into a direct current (DC) link voltage, a bidirectional converter enabled to perform mutual conversion between an output voltage of the battery and the DC link voltage, a DC link unit for constantly maintaining a level of the DC link voltage, a bidirectional inverter for converting the DC link voltage into an alternating current (AC) voltage appropriate for the grid, and for converting an AC voltage of the grid into the DC link voltage, and an integrated controller for controlling the power converting unit, the bidirectional converter, and the bidirectional inverter, and for controlling operation modes of the energy storage system. In particular, the integrated controller may control operation modes in accordance with the DC link voltage. | 09-08-2011 |
| 20110215650 | OFFSHORE ENERGY HARVESTING, STORAGE, AND POWER GENERATION SYSTEM - A system for harvesting, storing, and generating energy, that includes floating structure supporting machinery to extract energy from wind, waves, surface generators, or currents. At least one energy storage and power generating unit is anchored to the seafloor and adapted to tether the floating structure to the unit. The unit includes an internal chamber into which water flows through a hydroelectric turbine to generate electrical energy. A pump is provided, powered by energy from the floating structure machinery, to evacuate water from the unit and a control system directs power from the machinery to pump water out of the unit during periods of excess energy extraction by the machinery and to allow water to flow into the chamber through the hydroelectric turbine to generate electrical energy during periods of lower energy extraction by the machinery. The same internal chamber design can be utilized to store hydrocarbons in the vicinity of undersea wellheads during “shut-in” procedures when the wellhead would otherwise be secured. | 09-08-2011 |
| 20110227417 | Renewable Energy Delivery Systems and Methods - A system, method and/or apparatus for the delivery of energy at a site, at least a portion of the energy being delivered by at least one or more of a plurality of renewable energy technologies, the system and method including calculating the load required by the site for the period; calculating the amount of renewable energy for the period, including obtaining a capacity and a percentage of the period for the renewable energy to be delivered; comparing the total load to the renewable energy available; and, implementing one or both of additional and alternative renewable energy sources for delivery of energy to the site. | 09-22-2011 |
| 20110273021 | Photoelectric Conversion Device and Manufacturing Method Thereof - Generation of ripples and the decrease in the output voltage of a photoelectric conversion device are suppressed. The photoelectric conversion device includes a first photoelectric conversion element; a first voltage conversion element for converting the output voltage of the first photoelectric conversion element; a second photoelectric conversion element whose characteristic is different from the characteristic of the first photoelectric conversion element; a second voltage conversion element for converting the output voltage of the second photoelectric conversion element; and a control element for controlling timing of the first voltage conversion element and the second voltage conversion element. | 11-10-2011 |
| 20110273022 | Method and Apparatus for Controlling a Hybrid Power System - The present invention provides a simplified method of controlling power among the various sources and loads in a power system. Power generating sources are each connected to a common DC bus through a converter. The converter selectively transfers energy to the DC bus at a maximum rate or at a reduced rate according to the level of the DC voltage present on the DC bus. At least one storage device is preferably connected to the common DC bus through a power regulator. The power regulator selectively transfers energy to or from the DC bus as a function of DC voltage level present on the DC bus. Further, an inverter may be provided to bidirectionally convert between the DC voltage and an AC voltage for connection to a customer load or the utility grid. Each power conversion device is independently controlled to provide a modular and simplified power control system. | 11-10-2011 |
| 20110316341 | System, socket and plug apparatus for DC power distribution and usage - A power supply system comprises an electrical power generating device producing DC electrical power in the form of a DC electrical current, a DC current conductor receiving the DC electrical current from the electrical power generating device and carrying the DC electrical current to a socket, and an AC power system transmitting AC electrical current to the socket so that the socket can be accessed by a plug inserted therein to receive the DC current or the AC current from it. The socket has four recesses in it, and each recess has a respective contact therein. Each recess is configured to receive a respective prong and make a respective electrical contact with the plug therein. A first of the contacts transmits the DC current, a second and third of the contacts transmit complementary poles of the AC electrical current, and a fourth contact connects with a grounded connection. A DC-powered electrical device has a plug with a plug body and three prongs supported on and extending from the plug body. The prongs include two AC connection prongs and a ground connection prong corresponding to prongs of a standard three-prong plug. The plug further has a fourth prong supported on the plug body into the socket to contact the DC current recess. The fourth prong is removable from the plug body, or is movably supported on the plug body so that the fourth prong may be removed or moved so that the plug can be plugged into a standard three-recess AC socket. | 12-29-2011 |
| 20120019072 | POWER CONVERSION FOR DISTRIBUTED DC SOURCE ARRAY - Embodiments related to the conversion of DC power to AC power are disclosed. For example, one disclosed embodiment provides a power conversion system, comprising a plurality of direct current (DC) power sources, a plurality of power output circuits connected to one another in a parallel arrangement, each power output circuit being connected to a corresponding DC power source to receive power from the corresponding DC power source and to selectively discharge power received from the corresponding DC power source, a power combiner configured to combine power received from the plurality of power output circuits to form a combined power signal, an output stage configured to convert the combined power signal into an AC signal or a DC signal, and a controller in electrical communication with each power outlet circuit and the power combiner to control the output of power by the power converter. | 01-26-2012 |
| 20120080953 | MULTI-INPUT POWER SUPPLY APPARATUS WITH REGULABLE OUTPUT POWER - A multi-input power supply apparatus with regulable output power includes an AC-to-DC conversion unit, a DC-to-DC conversion unit, an output voltage control unit, and an output power status display unit. The AC-to-DC conversion unit has an AC-to-DC stage feedback control subunit. The DC-to-DC conversion unit has a current sensing subunit, a DC-to-DC conversion subunit, a filter subunit, a protective disconnecting switch subunit, and a DC-to-DC stage feedback control subunit. The output voltage control unit provides a signal to the AC-to-DC stage feedback control subunit and the DC-to-DC stage feedback control subunit, thus regulating the output voltage of the AC-to-DC conversion unit and the output voltage of the DC-to-DC conversion unit. The output power status display unit displays the output voltage. | 04-05-2012 |
| 20120086279 | THREE-DIMENSIONAL WIND-LIGHT CONGREGATING POWER GENERATING SYSTEM WITH SPHERICAL JOINTS - A three-dimensional wind-light congregating power generating system with spherical joints includes a spherical joint wind-light congregating device ( | 04-12-2012 |
| 20120119583 | COMBINED DC POWER SOURCE AND BATTERY POWER CONVERTER - Power converter systems and methods that can combine multiple direct-current (DC) power sources with an independent alternating-current (AC) power source coupled across a load, thereby allowing power to be transferred between the DC power sources, the independent AC power source, and/or the load. The power converter systems and methods offer increased versatility and functionality over traditional power converter systems and devices. | 05-17-2012 |
| 20120133209 | INTEGRATION OF RENEWABLE POWER GENERATING TECHNOLOGIES WITH INTEGRATED VOLT/VAR CONTROL SYSTEMS - A distribution management system (DMS) includes an integrated volt/var controller (IVVC) that is configured to control operation of at least one corresponding renewable energy source or energy storage device power converter in response to IVVC commands generated via algorithmic optimization software integrated within the IVVC. At least one renewable energy source or energy storage device is controlled to operate alone or in coordination with one or more discrete step size reactive power (VAR) compensation devices to generate continuously varying reactive power required by a corresponding power distribution system. | 05-31-2012 |
| 20120187765 | POWER SUPPLY ARRANGEMENT FOR LINE TERMINATION UNITS - In one embodiment, a line termination unit includes line driver for driving a transmission line, with a first supply voltage input terminal and a second supply voltage input terminal, a power supply, with an analog supply voltage output terminal for feeding an analog part of the line termination unit, and at least one digital supply voltage output terminal for feeding a digital part of the line termination unit, and a ground voltage reference. The analog supply voltage output terminal is coupled to the first supply voltage input terminal, and the line termination unit further includes a selector for selectively coupling one of the at least one digital supply voltage output terminal or the ground voltage reference to the second supply voltage input terminal. | 07-26-2012 |
| 20120286577 | POWER MONITORING APPARATUS - Disclosed herein is a power monitoring apparatus supplying power applied to a plug to an electrical device through a socket, the power monitoring apparatus including: a detecting unit sensing intensity of current applied to the electrical device to detect an operational state of the electrical device; a power supply unit supplying the power applied to the plug to each component; and a switching unit connected between a connection point between the plug and the socket and the power supply unit and applying the power to the power supply unit or blocking the power applied to the power supply unit according to the operational state of the electrical device. | 11-15-2012 |
| 20120326515 | ELECTRIC POWER RECEIVING DEVICE AND METHOD OF RECEIVING ELECTRIC POWER - An electric power receiving device according to the invention receives an electric power from a primary coil, with which a first alternating voltage is applied and through which a first alternate current flows. The device includes an electric power receiving section and a reducing-voltage generating section. The receiving section includes a secondary coil electromagnetically coupled to the primary coil and a capacitor connected to the secondary coil, and generates a second alternating voltage based upon the first alternating current. The generating section generates a reducing-voltage and applies the reducing-voltage to the receiving section, the reducing-voltage being capable of reducing a reactance voltage generated in the receiving section by a second alternating current generated in the receiving section due to the second alternating voltage, and the reducing-voltage being approximately equal to the second alternating voltage in frequency. | 12-27-2012 |
| 20120326516 | Fuel Cell Power Generation System with Isolated and Non-Isolated Buses - A fuel cell system provides isolation of one or more DC buses which supply power to a DC IT load from AC noise generated by AC inverters or the AC grid using one or more isolating DC/DC converters. | 12-27-2012 |
| 20130015713 | SYSTEM STABILIZATION SYSTEM, ELECTRIC POWER SUPPLY AND DEMAND ADJUSTMENT DEVICE, CONTROL DEVICE FOR ELECTRIC POWER SUPPLY AND DEMAND ADJUSTMENT DEVICE, ELECTRIC POWER SUPPLY AND DEMAND ADJUSTMENT METHOD, AND ELECTRIC POWER SUPPLY AND DEMAND ADJUSTMENT METHOD USING STORAGE BATTERYAANM Hagihara; RyuzoAACI Moriguchi CityAACO JPAAGP Hagihara; Ryuzo Moriguchi City JP - The system stabilization system includes an electric power supply and demand management device possessing supply and demand situation information related to the supply and demand of electric power in at least a portion of a power grid, and an electric power supply and demand adjustment device acquiring the supply and demand situation information and performing an electric power supply and demand adjustment by at least accepting electric power from the power grid or supplying electric power to the power grid. The electric power supply and demand adjustment device is configured so as to make a determination regarding an electric power supply and demand adjustment on the basis of the acquired supply and demand situation information. | 01-17-2013 |
| 20130020875 | BATTERY PACK FOR AN ELECTRONIC DEVICE - A battery pack for providing power to an electronic device which includes a rechargeable battery, a non-power line power source, and a circuit configured to selectively deliver direct current (DC) power from the non-power line source to at least one of the rechargeable battery and to the device based on communication between the electronic device and the battery pack. The electronic device can deliver system power to the device from at least one of the alternating current (AC) power source, a battery and one or more non-power line sources based on power detected from one or more of the power sources. | 01-24-2013 |
| 20130057075 | APPARATUS AND METHOD FOR CHARGING BATTERY OF ELECTRIC DEVICE HAVING MOTOR - An apparatus for charging a battery of an electric device that has a motor by not charging the battery before the electric device is used and a method of charging a battery of an electric device that has a motor by using the apparatus. The apparatus includes a load, a motor for driving the load, a battery that provides a power supply to the motor, a generator that converts a kinetic energy that is generated by the motor to an electric energy, and a control unit that senses an amount of the load of the load and, if the amount of the load is less than a reference value, charges the battery by a first charging mode by using the electric energy output from the generator. | 03-07-2013 |
| 20130062953 | Reconfigurable Power Converters, Systems and Plants - Reconfigurable power systems, converters and plants are disclosed, along with operating methods therefor. Reconfigurable power systems may include a DC power source, an electrical energy storage device, an AC power grid connection, a first power converter, and a second power converter. The first power converter may be configured to selectively couple two or more of the DC power source, the electrical energy storage device, and the AC power grid connection. The second power converter may be configured to selectively couple the electrical energy storage device to at least one of the DC power source and the first power converter. The second power converter may be configured as a DC-DC converter. | 03-14-2013 |
| 20130082532 | USE OF A THERMAL ELECTRIC GENERATOR IN A PORTABLE DEVICE - The disclosure is directed at the use of an energy generator system, containing a thermal electric generator (TEG), within a portable device, such as a mobile communication device, to recover waste heat within the device. This waste heat may then be recovered in the form of electricity that can then be use for various applications such as for powering the portable device or recharging a power source. | 04-04-2013 |
| 20130088086 | CIRCUITRY ARRANGEMENT FOR A SOLAR POWER PLANT COMPRISING A DC VOLTAGE SOURCE FOR AN OFFSET VOLTAGE - A circuitry arrangement for a solar power plant includes a transformerless inverter for feeding electric power from at least one photovoltaic generator into an alternating power grid, a galvanic separation of all lines carrying current between the inverter and the power grid, and a DC voltage source in an offset path between one electric line at the input side of the galvanic separation and a reference potential. The DC voltage source provides an offset voltage. The offset path includes a DC branch and an AC branch connected in parallel. The direct voltage source is connected in series with a current sensor in the DC branch, and at least one capacitor is arranged in the AC branch. Further, a DC contactor triggered by the current sensor is arranged in the offset path. | 04-11-2013 |
| 20130093246 | APPARATUS AND METHOD FOR COMMUNICATING DATA AND POWER WITH ELECTRONIC DEVICES - A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module. | 04-18-2013 |
| 20130106191 | RENEWABLE MOBILE RESOURCE STATION | 05-02-2013 |
| 20130106192 | METHOD AND APPARATUS FOR EXTENDING BATTERY OPERATION TIME OF AN ELECTRONIC DEVICE | 05-02-2013 |
| 20130134787 | BATTERY SYSTEM - A battery system is disclosed which includes: a battery assembly; an AC-voltage generator for generating alternate current (AC) voltage from direct current (DC) voltage of the battery assembly; a battery charger for charging the battery assembly; and a detector for detecting application of AC voltage from the AC-voltage generator to the battery charger. | 05-30-2013 |
| 20130162046 | MULTI ENERGY HARVESTING SYSTEM - A multi energy harvesting system is provided. The system includes: a DC energy source harvesting circuit, having a DC energy source harvesting unit for generating a DC based on a first physical quality, and a first DC to DC converter for adjusting voltage of the DC; an AC energy source harvesting circuit, having an AC energy source harvesting unit for generating an AC based on a second physical quality and a rectifier for rectifying the AC; and an assistance circuit, coupled between the DC energy source harvesting circuit and the AC energy source harvesting circuit, for increasing efficiency thereof. | 06-27-2013 |
| 20130187472 | POWER SUPPLY SYSTEM WITH HETEROGENEOUS MULTIPLE INPUT - The invention relates to a power supply system that is adapted be connected in input to N distinct power supply grids (R | 07-25-2013 |
| 20130207474 | MATRIX CONNECTION DEVICE FOR PHOTOVOLTAIC PANELS AND/OR WIND TURBINES - A matrix connection device disposed between n unidirectional energy sources (PV | 08-15-2013 |
| 20130221751 | POWER TRANSMISSION APPARATUS - The power transmission apparatus may include a battery, a motor generator that is switchable between a driving state and a power generation state, at least a load, an inverter to switch the motor generator to any of the driving state and the power generation state, a charging state detecting means to detect a charged amount C of the battery, an absorbing horsepower detecting means to detect the absorbing horsepower Lp of the load, and a control device to switch the motor generator to any of the power generation state and the driving state by means of the inverter, based on the absorbing horsepower Lp detected by the absorbing horsepower detecting means and the charged amount C of the battery that is detected by the charging state detecting means. | 08-29-2013 |
| 20130234522 | POWER CIRCUIT, CONVERTER STRUCTURE AND WIND POWER GENERATION SYSTEM THEREOF - A power circuit, a converter structure and a wind power generation system thereof are disclosed. The power circuit includes a first converter having an AC input side and a DC output side, a second converter having a DC input side and an AC output side, and a DC bus storage unit electrically connected to the DC output side of the first converter and the DC input side of the second converter. A level number, a switching valve type and/or a circuit connection of the first converter are different from those of the second converter. | 09-12-2013 |
| 20130293020 | BATTERY SYSTEM, METHOD OF CONTROLLING THE SAME, AND ENERGY STORAGE SYSTEM INCLUDING THE BATTERY SYSTEM - A battery management system used to monitor a number of batteries. This battery management system includes a number of isolation circuits electrically connected to the batteries. The battery management system includes a measuring unit electrically connected to the isolation circuits to turn on or off the isolation circuits and measure voltages simultaneously of the batteries when the isolation circuits are turned on by the measuring unit. | 11-07-2013 |
| 20130307340 | POWER CONVERTER OPERABLE FROM VARIOUS POWER SOURCES - A power converter and method of operating the same for use in a power conversion system capable of receiving power from various sources, including renewable sources, for application to a load. Power type detection circuitry is provided for identifying the type of power source at the input of each power detector, based on attributes of the time-varying power received. The power converter is constructed of a boost stage followed by a galvanically isolated DC-DC converter stage. If a renewable input power source is detected, the boost stage is controlled to operate at a maximum power point, and the DC-DC converter stage is operated in an open loop manner. If the AC grid is detected as the input power source, the boost stage is controlled to attain maximum power factor, and the DC-DC converter stage is placed under feedback control of the output voltage. Operating modes are also switched in response to low load demand. | 11-21-2013 |
| 20130313908 | Communication power with multi-energy-source supply and control method - The present disclosure discloses a communication power with multi-energy-source supply and a control method. The communication power includes: an inputting unit ( | 11-28-2013 |
| 20140015324 | ELECTRICAL COGENERATION SYSTEM AND METHOD - An electrical cogeneration system and AC coupling method for efficiently distributing power from multiple AC sources. The system includes a main AC source, an AC generator, a solar panel, and an automatic transfer switch. The main AC source and the AC generator are connected to the transfer switch. The system also includes a DC/AC inverter, which is in communication with the solar panel. The transfer switch and the inverter are both connected to a common AC load panel where the power provided by the solar panel, the AC generator, and the main AC source is used to satisfy a common electrical load. The system further includes a system control device that is in communication with the inverter and the transfer switch and is capable of selectively determining power input to the AC load panel. An AC coupling method for distributing power from multiple AC sources is also provided. | 01-16-2014 |
| 20140028101 | POWER SUPPLIES FOR SIMULTANEOUSLY PROVIDING AC AND DC POWER - A power supply for providing power to a load includes a first subconverter having input terminals for coupling to a first input power source and output terminals and a second subconverter having input terminals for coupling to a second input power source and output terminals. The first subconverter is configured to supply an AC current and an AC voltage at its output terminals. The second subconverter is configured to supply one of a substantially constant DC current and a substantially constant DC voltage at its output terminals. At least one of the output terminals of the first subconverter is coupled to at least one of the output terminals of the second subconverter. The power supply is configured to supply the AC current, the AC voltage, the substantially constant DC current and the substantially constant DC voltage substantially simultaneously to the load. | 01-30-2014 |
| 20140042817 | METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CELLS AND POWER SUB CELL FOR MULTILEVEL INVERTER - Bypassing methods and apparatus are presented along with power cells and sub cells for multilevel inverters in which DC current flow into a DC link capacitance is interrupted and a bypass switch is closed across a power cell or sub cell output to selectively bypass a power stage of a multilevel inverter. | 02-13-2014 |
| 20140054968 | DUAL-INPUT POWER SUPPLY - The present invention provides an improved dual-input power supply including a dual-input terminal, an input source selection controller, a load adjustment switch circuit, a power conversion circuit, an automatic switch circuit for power interruption, and an output terminal. The input source selection controller is adapted to select a mode for power inputting comprising AC power source in priority mode, DC power source in priority mode, and dual-power source supply (AC and DC power sources simultaneously supplying) mode. Therefore the present invention allows users to select flexibly power source input mode and maintains uninterruptible power supply by switching automatically the power source input mode upon accident power failure. | 02-27-2014 |
| 20140062204 | POWER VOLTAGE SELECTION DEVICE - A power voltage selection device includes a first power voltage and a second power voltage; a power selection unit having a first PMOS transistor and a second PMOS transistor, wherein the first power voltage is supplied to a source of the first PMOS transistor, a gate of the first PMOS transistor receives a first enable signal, the second power voltage is supplied to a source of the second PMOS transistor, a gate of the second PMOS transistor receives a second enable signal, and a body of the first PMOS transistor is coupled to a body of the second PMOS transistor; an output unit having a common node to which a drain of the first PMOS transistor and a drain of the second PMOS transistor are commonly coupled; and a body voltage control unit controlling to supply one of the first power voltage and the second power voltage to the bodies of the first PMOS transistor and the second PMOS transistor, wherein the one has a higher voltage level than the other. | 03-06-2014 |
| 20140062205 | SOURCE SUPPLY CIRCUIT AND CONTROL METHOD THEREOF - A source supply circuit includes a main supply circuit for supplying a first directional current (DC) voltage, a solar supply circuit converting solar energy into electronic energy, an energy storing circuit for storing the energy generated both by the main supply circuit and the solar supply circuit, and a power regulator. The solar supply circuit further includes a current detector for detecting a current of the solar supply circuit, and a voltage detector for detecting a voltage of the solar supply circuit. The power regulator calculates an output power of the solar supply circuit according to the detected current and the detected voltage and adjusts the output power of the main supply circuit to make the solar supply circuit output a maximum power. | 03-06-2014 |
| 20140077606 | DISTRIBUTED POWER SUPPLY SYSTEM AND METHOD - A distributed power supply system and a method for managing such a distributed power supply system is disclosure. The method may include: for each power storage unit i of the plurality of power storage units, determining whether power storage unit i have sufficient status of charge (SOC) based on SOC of the power storage unit i (C | 03-20-2014 |
| 20140117766 | ELECTRONIC DEVICE AND POWER SUPPLYING CONTROL METHOD THEREOF - A electronic device and a power supplying method thereof are provided. The device includes a system unit, an internal power supplying unit and a power controller. The internal power supplying unit is coupled to the system unit, and supplies a system voltage to the system unit. The power controller is coupled to the system unit and the internal power supplying unit, and determines a source of the external voltage according to a voltage value of the external voltage. When the power controller determines that the source of the external voltage is a mobile power supply device, the power controller provides the external voltage to the system unit, and does not charge the internal power supplying unit with the external voltage. The voltage value of the external voltage provided by the mobile power supply device is higher than the voltage value of the system voltage. | 05-01-2014 |
| 20140125134 | MOBILE ELECTRICITY GENERATOR USING SOLAR PANELS - A mobile electricity generator comprising a telescopic boom, a first retractable support leg, and a base. The telescopic boom comprises a first end and a second end. A wind turbine is attached to the second end of the telescopic boom and the wind turbine is capable of transforming wind into electricity. The first end of the telescopic boom and the first retractable support leg are attached to the base. The electricity generator has a movable solar panel assembly that may be stored in the base and deployed to a use position and a pair of doors each equipped with a solar panel swing having solar panels. The mobile electricity generator can further comprise a battery in electric communication with the solar panels for storing the electricity. | 05-08-2014 |
| 20140145508 | Power Unit Control System - A system is provided that includes a plurality of power units each configured to supply power. Additionally, the system includes a plurality of contacts each configured to toggle an electrical connection of each of the plurality of power units as a network. Moreover, the network is configured to supply power to a load. Furthermore, the system includes a controller configured to control when each of the plurality of contacts toggle according to a power state, and the power state includes information regarding a charge of each power unit, a load demand, and a supplied power being supplied by the plurality of power units. | 05-29-2014 |
| 20140175887 | SYSTEM AND METHOD FOR VOLTAGE REGULATION OF A RENEWABLE ENERGY PLANT - Systems and methods for regulating the voltage at a point of interconnection of a renewable energy plant, such as a solar plant, with a grid are provided. A voltage signal indicative of the voltage at the point of interconnection can be received and filtered with a high pass filter to generate a filtered error signal. The high pass filter can block components of the voltage signal at a frequency less than a threshold frequency. A reactive power command for the renewable energy plant can be generated based on the filtered error signal. One or more inverters of the renewable energy plant can be controlled to output reactive power based on the reactive power command. A rejection module can be implemented to prevent adverse interaction with other voltage control devices. In addition, a reset module can be implemented to preserve dynamic reactive power range of the inverters. | 06-26-2014 |
| 20140246912 | HYBRID ENERGY STORAGE SYSTEM AND METHODS - A system includes a first DC rail configured to be coupled to a first terminal of a first energy storage device (e.g., a battery), a second DC rail configured to be coupled to a first terminal of a second energy storage device (e.g., an ultracapacitor), and a plurality of converter legs coupled between the first and second DC rails and including at least one first converter leg configured to be coupled to a second terminal of the first energy storage device and at least one second converter leg configured to be coupled to second terminal of the second energy storage device. The system further includes a switch configured to couple and decouple the second terminals of the first and second energy storage devices. The at least one first converter leg and the at least one second converter leg provide different current capacities to deal with differences in power density of the energy storage devices. | 09-04-2014 |
| 20140265598 | PHOTOVOLTAIC AND WIND ENERGY PRODUCTION SYSTEM - A combined wind and photovoltaic solar energy production system is disclosed. One or more surfaces of the wind turbine blades are constructed of photovoltaic thin-film or have photovoltaic solar panels. Unlike prior art systems, in which photovoltaic material is placed on top of pre-existing wind turbine blades, the present application uses the photovoltaic material itself (e.g. the thin-film or solar panel) as the wind turbine blade. This makes for a simpler, light weight, and more cost-effective design. Multiple designs and embodiments are disclosed. The designs include vertical and horizontal axis pinwheel designs, paddle fan designs, paddle wheel designs, and tristar designs. Each of these designs may be combined. Cable support systems may be used to hold these designs to enable fast deployment and be an alternative where conventional solar and wind generators are unable to be installed because of topographical land issues or available real estate. | 09-18-2014 |
| 20140306538 | APPARATUS AND METHOD FOR COMMNUNICATING DATA AND POWER WITH ELECTRONIC DEVICES - A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module. | 10-16-2014 |
| 20140306539 | APPARATUS AND METHOD FOR COMMNUNICATING DATA AND POWER WITH ELECTRONIC DEVICES - A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module. | 10-16-2014 |
| 20140346884 | POWER CONVERTER - A power converter that can supply constant voltage to a load even upon fluctuation of voltage of an AC power source includes an inverter circuit resulting from connecting switching elements in series, the inverter circuit being connected to both ends of a DC power source series circuit resulting from connecting in series two DC power sources; an AC output terminal that is connected to a connection point of the switching elements; another AC output terminal that is connected to a connection point of the DC power sources; and a bidirectional switch element including one end connected to the AC output terminal U and another end connected to a terminal of an AC power source. | 11-27-2014 |
| 20150022005 | Hybrid Energy Harvesting Device and Fixed Threshold Power Production - Systems and methods here are described for harvesting energy, certain embodiments including a power generator, a rotatable base attached to the power generator, one or more protruding blades attached to the rotatable base, a kinetic energy harvesting device mounted on the base, and a gear shaft for associating the base with the power generator. | 01-22-2015 |
| 20150069843 | Method and System for Regulating Power of an Electricity Grid System - A power regulation system for an electrical grid has a store of electrical energy connected through a first switch to a source of electrical energy. The response time of the store is faster than that of the source. A second switch is connected to the store at one side with the opposite side for connection to the grid. A first controller monitors energy stored in the store and energy available from source and selectively controls the first switch to close to transfer energy from the source to the store. A second controller monitors energy stored in said store and, on receiving an indication that additional energy is needed in the grid, if the energy stored in the store exceeds a supply threshold, controls the second switch to close to transfer energy from the store to the grid. | 03-12-2015 |
| 20150295513 | Hybrid Power Converter for Renewable Energy Power Plant - A hybrid power converter system that comprises a first power bus connected to a DC power source, a second power bus connected to an AC load, and a third power bus connected to an energy storage device. One or more power converters are connected to the first power bus in parallel and are connected with the second and third power buses, each by a switch. The system includes a first switch for connecting or disconnecting a power converter to or from the second power bus and a second switch for connecting or disconnecting the power converter to or from the third power bus, to switch the source of power being provided to the AC load either from the DC power source or the energy storage device. With additional power converters connected into the system in a similar manner, several combinations of power supply are possible. | 10-15-2015 |
| 20150331397 | POWER TRANSMISSION APPARATUS - The power transmission apparatus may include a battery, a motor generator that is switchable between a driving state and a power generation state, at least a load, an inverter to switch the motor generator to any of the driving state and the power generation state, a charging state detecting means to detect a charged amount C of the battery, an absorbing horsepower detecting means to detect the absorbing horsepower Lp of the load, and a control device to switch the motor generator to any of the power generation state and the driving state by means of the inverter, based on the absorbing horsepower Lp detected by the absorbing horsepower detecting means and the charged amount C of the battery that is detected by the charging state detecting means. | 11-19-2015 |
| 20150340749 | POWER-GENERATING SYSTEM HAVING A FUEL CELL - A power-generating system is provided including a fluid-tight chamber and an electricity-generating assembly arranged in the chamber, the electricity-generating assembly comprising a fuel cell for generating power by means of an oxidation-reduction reaction between an oxidizer and a fuel, and a supply system for supplying oxidizer and fuel to the fuel cell, the power-generating system also including a heat-control system including a cold source and a hot source, and a heat-transport fluid circuit that is configured to control the temperature of the electricity-generating assembly by exchanging heat with the cold source and the hot source. | 11-26-2015 |
| 20150340871 | POWER CONVERTING APPARATUS - A power converting apparatus supplies, on the basis of a power supply voltage of an alternating-current power supply, a circuit current flowing in a power conversion circuit, and a direct current of a direct-current power supply, a pulse signal for alternately opening and closing a pair of a first switch and a fourth switch and a pair of a second switch and a third switch to the pair of the first switch and the forth switch and the pair of the second switch and the third switch such that an electric current in which a high-frequency component is mixed in a low-frequency component of the alternating-current power supply flows to the power conversion circuit. | 11-26-2015 |
| 20150341018 | CURRENT-TO-VOLTAGE CONVERSION CIRCUIT AND SELF-OSCILLATION CIRCUIT - A current-to-voltage conversion circuit according to one aspect of the present invention includes a first resistor, a first current source, a first capacitor, a first output terminal, a first voltage source, a first transistor, and a second resistor. The first resistor includes a first end and a second end. The first end of the first resistor is connectable to an electrode included in a sensor and the second end of the first resistor is connected to a first electrical potential. The first capacitor includes a first end and a second end. The first end of the first capacitor is connected to the first end of the first resistor and the second end of the first capacitor is connected to the first current source. The first transistor includes a first terminal, a second terminal, and a control terminal. The first terminal is connected to the second end of the first capacitor, the second terminal is connected to the first output terminal, and the control terminal is connected to the first voltage source. The second resistor includes a first end connected to the second terminal and a second end connected to a second electrical potential. | 11-26-2015 |
| 20160020628 | MODULAR MULTILEVEL CONVERTER FOR HYBRID ENERGY STORAGE - A modular multilevel converter for hybrid energy storage includes a battery. Three phases are connected in serial to the battery and in parallel to one another, each phase having two arms of sub-modules and buffer inductors. Each of the sub-modules includes a half-bridge and an ultracapacitor. A control module is configured to control the battery output power and ultracapacitor output power independently. | 01-21-2016 |
| 20160036240 | POWER CONVERSION FOR SOLAR / WIND / WATER ENERGY | 02-04-2016 |
| 20160040656 | WIND TURBINE AND AIR CONDITIONING APPARATUS, METHOD AND SYSTEM - A system for using solar and wind energy for electricity generation and thermal regulation. The system may include a high altitude wind turbine, which may generate electric power and conduct cold to the ground and the rest of the system. The cold may be conducted to a crystallization tank, which may also include an input for heat, for example from solar energy. Cold and heat from the crystallization tank may then be stored or used to heat or cool one or more buildings. Generated electric power may be used in conjunction with or separately from the heating/cooling system. | 02-11-2016 |
| 20160065115 | COMBINED SOLAR AND WIND POWER GENERATION - An apparatus, system, and method are disclosed for power generation. A wind turbine is configured to drive an electrical generator. One or more solar panels are electrically coupled to the electrical generator to provide power from the electrical generator and/or the one or more solar panels. A base is configured for mounting the wind turbine to a structure. The wind turbine may be pivotally coupled to the base such that an angle of the wind turbine is adjustable relative to the structure. | 03-03-2016 |
| 20160087549 | POWER CONDITIONER - A power conditioner includes first and second power conversion portions, a smoothing capacitor, and an auxiliary power supply. The first power conversion portion is connected to a DC system. The second power conversion portion is connected to an AC system. The capacitor is connected between wires of an intermediate bus which connects input/output terminals of the first power conversion portion and the second power conversion portion. The auxiliary power supply receives commercial power and generates an auxiliary charge voltage to be applied to the capacitor. The first power conversion portion converts DC power of the storage battery to a first DC voltage and outputs the first DC voltage to the intermediate bus. The second power conversion portion converts a voltage of the capacitor to an AC voltage and outputs the AC voltage to the AC system. The auxiliary charge voltage is lower than the first DC voltage. | 03-24-2016 |
| 20160094143 | No-Break Power Transfer - A method and apparatus for transferring power to a load. An AC-to-DC converter output for an AC-to-DC converter is connected to a filter circuit input in a DC-to-DC converter via a connector such that a no-break power transfer occurs when transferring between providing power for the load by the AC-to-DC converter and providing power for the load by the DC-to-DC converter. The topology of the AC-to-DC converter needs only 21 windings for achieving a 24-pulse transformer rectifier unit. | 03-31-2016 |
| 20160099570 | Compact Omnidirectional Modular Power Harvesting System - The present invention relates to a compact omnidirectional energy harvesting system consisting of a semi-spherical (geodesic dome) shaped photovoltaic collector- and vertical-axis wind turbine, equipped with a power management system to convert, optimize and store the resulting solar, wind and auxiliary energy into electrical energy. The present invention has auxiliary energy capture ports to harvest ambient energies such as thermoelectric, piezoelectric, electromechanical, hydroelectric, rectifying antenna, electrostatic and electrochemical through plug-in modules. The resulting combined electrical energy, from all potential sources, is stored in rechargeable batteries or capacitors for eventual consumption to power lights, sensors, beacons, transmitters, cameras, wireless communications, or to provide a power supply in remote locations. | 04-07-2016 |
| 20160099575 | Portable Power Supply - The present disclosure is directed to a portable power supply system for providing power to corded power tools. The portable power supply is configured to receive AC power through an AC power connector from an AC power source and DC power through a DC power connector from a DC power source. The portable power supply is configured to selectively provide the AC power and the DC power to a power supply output. The AC power and the DC power may be provided simultaneously or alternately to the power supply output. | 04-07-2016 |
| 20160141896 | A SEGMENTED FUEL CELL-BATTERY PASSIVE HYBRID SYSTEM - An apparatus for supplying electrical energy to a varying load is disclosed. The apparatus comprises fuel cells and energy storage devices. A fuel cell subset comprises one or a plurality of series-connected ones of the fuel cells, having a first no-load open-circuit potential thereacross and is connected in parallel with an energy storage device subset comprising one or a plurality of series-connected ones of the energy storage devices, having a second no-load open-circuit potential thereacross, to form a unit. The unit cell is connected in series or parallel with at least one other unit cell. The fuel cells in the unit cell and the at least one other unit cell are fuel cells of the same fuel cell stack. The arrangement is such that first no-load open-circuit potential and the second no-load open circuit potential are substantially balanced. | 05-19-2016 |
| 20160190801 | SCALABLE ENERGY STORAGE SYSTEM - A scalable energy storage system may comprise a plurality of battery packs including at least a first battery pack and a second battery pack. The system may also include a plurality of inverters. The plurality of inverters may include at least a first inverter and a second inverter. The plurality of battery packs may be electrically coupled to the plurality of inverters such that the first battery pack is individually connected to an input of the first inverter and the second battery pack is individually connected to an input of the second inverter. | 06-30-2016 |
| 20170237260 | ENERGY STORAGE SYSTEM AND MANAGEMENT METHOD THEREOF | 08-17-2017 |
| 20190148938 | ELECTRICAL POWER PLANT | 05-16-2019 |
