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8912748 Radiant energy powered electrical power supply device and method for operating such a power supply device  
An electrical power supply apparatus supplied with radiant energy is equipped with at least one electrical generator converting radiant energy into electrical power. The electrical power generator...
8907615 Systems and methods for dynamic power compensation, such as dynamic power compensation using synchrophasors  
An electrical power generation system, such as a solar power inverter, can provide dynamic real-time power compensation, so as to mitigate the effects of voltage sags and swells (e.g., on a utility...
8907616 Hybrid power supply system  
A hybrid power supply system includes a number of power modules electrically connected with each other in series. Each power module includes a fuel cell unit and a lithium-ion battery unit. Each...
8907614 Photovoltaic power generation system  
A photovoltaic power generation system in which an electricity generated by solar cells and a remaining battery level can be checked at once, thus enabling the photovoltaic power generation system...
8901876 Charge/discharge determining apparatus and computer-readable medium  
There is provided a charge/discharge determining apparatus for managing a natural energy power generation facility, a power plant and a plurality of batteries in an electrical power system. The...
8901875 Bi-directional wireless charger  
A bi-directional charging device includes a rechargeable battery, a coil coupled to the rechargeable battery, a selection mechanism that selectively causes power to be delivered from the coil to...
8896262 Transportable electricity generation unit and method for generating electricity using said unit  
This invention relates to a transportable electricity generation unit (30) suitable to supply electric power to an external load (51). Said electricity generation unit (30) comprises: a...
8896233 System and method for controlling solar cell lighting apparatus  
The control system according to the present disclosure integratedly manages a plurality of solar cell lighting apparatuses, each solar cell lighting apparatus including a light emitting source to...
8890679 Smart power device  
A power device may include channels coupled to conductors in lines, where each one of the channels is coupled to a different one of the lines than the other channels and where the channels deliver...
8884777 Mobile device including a solar battery  
A mobile device including a solar battery having a light-receiving surface provided on a casing of the mobile device, an illuminance detector that detects an illuminance of light incident on the...
8884579 Storage battery management system  
A power receiving unit receives power generated by power generating units via a power system. A power information acquiring unit acquires first system power information showing the proportion of...
8883361 Voltage control device for a fuel cell  
The invention relates to a device for controlling the voltage of a cell of a fuel cell, characterized in that said control device comprises a first transistor (Q1) associated with the cell, which...
8884578 Method and system for operating a flow battery system based on energy costs  
A method and system for storing and/or discharging electrical energy that has a cost, which method includes steps of: (a) providing a flow battery system comprising at least one flow battery cell...
8872469 Method and apparatus for providing standby power for visual display device  
Provided are an apparatus and method thereof for providing standby power to a visual display, the apparatus including: a light collection unit which is operable to receive light and output a...
8866443 Lead acid storage battery and lead acid storage battery system for natural energy utilization system  
The life of a lead acid storage battery is extended by changing an over-frequency equalized charge interval performed on a lead acid storage battery, in accordance with a transition situation of a...
8866465 Nanosatellite photovoltaic regulator  
A solar cell regulator in a nanosatellite includes a pulse width modulated DC-DC boost converter and a peak power tracking controller for converting solar cell power to bus power for charging of...
8866442 Method and device for charging rechargeable batteries  
Rechargeable batteries are used as a power supply in the most varied electrical devices. Parallel to this, connections with other energy sources are frequently available, at least for part of the...
8860357 Universal power generating system  
A universal power generating system, having a rechargeable battery bank with a plurality of rechargeable batteries; a computer; and an outside power source. The outside power source has a shaft,...
8860358 Method for operation of a photovoltaic generator at an operating point of maximum power  
A method includes searching for a point of maximum power based on a systematic load variation, setting the point of maximum power as the operating point of the photovoltaic generator, and tracking...
8854004 Energy storage system and controlling method thereof  
An energy storage system and a controlling method thereof are provided. Accordingly, an operation mode of the energy storage system is stably changed. The energy storage system includes: a battery;...
8853993 Control system and control method of an in-vehicle solar energy charger  
A control system for an in-vehicle solar energy charger, comprising a solar cell panel, a solar energy charger, a starting battery, a power battery and a controller. The solar energy charger, the...
8853989 Fuel cell system and motor driving method  
A motor can be driven while reducing the power loss of the entire system where a plurality of devices that causes power losses exists. The system is provided with an inverter connected to a motor,...
8856576 Energy capture of time-varying energy sources by varying computational workload  
A method and system for managing computational workload in a computerized system powered by an energy source. This invention relies first and foremost on adapting computational workload at the...
8853994 Analog photovoltaic power circuit  
The present invention discloses an analog photovoltaic power circuit, including: a photovoltaic device group for receiving photo energy to generate an input voltage, the input voltage corresponding...
8847543 Secondary battery charging device and secondary battery charging system  
A secondary battery charging system includes a secondary battery charging device and a power generation device that generates a charging current. The secondary battery charging device controls the...
8848327 Controller, controlling method, and solar cell  
Disclosed is a controller for controlling short-circuit across positive and negative terminals of a dye sensitized solar cell for converting a light energy into an electrical energy. The controller...
8841878 Mobile electronic device  
An electronic device is disclosed. The electronic device comprises at least one solar cell, and voltage-detection means operable to detect an output voltage of the at least one solar cell to obtain...
8841877 Power supply system and method for controlling electrochemical cell charging  
An electrical power supply system is provided comprising a number of rechargeable cells, a number of control electronics circuits and a charger which consists of apparatus for producing electricity...
8836251 Drive system and machine  
The present invention relates to a drive system with energy recovery for driving a machine, in particular for driving a crane, wherein the drive system includes at least one fuel cell unit, at...
8836157 Power generation device  
A power generation device for a vehicle comprises a housing adapted to removably affix to a rear of a vehicle and a rotatable support member for rotatably supporting a first device, the rotatable...
8831672 Method and arrangement in a communication system  
A method in a communication system for managing energy consumption of base stations within the communication system includes computing a marginal energy value for a first base station based on an...
8829847 Hybrid battery system for portable electronic devices  
A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable...
8829329 Solar cell and battery 3D integration  
An integrated photovoltaic cell and battery device, a method of manufacturing the same and a photovoltaic power system incorporating the integrated photovoltaic cell and battery device. The...
8823316 Thermal effluent to electric energy harvesting system  
A system for harvesting electric energy from thermal energy includes energy conversion assemblies that can be distributed about a conduit through which a heated effluent flows. Each energy...
8825216 Apparatus for controlling power of sensor nodes based on estimation of power acquisition and method thereof  
An apparatus for controlling power of sensor nodes based on estimation of power acquisition, includes: a self power acquisition unit acquiring self power; an internal sensing unit sensing power...
8823315 Portable self-contained photovoltaic solar device  
A portable self-contained photovoltaic device is provided with a hollow cylindrical support in two substantially coaxial portions assembled to one another. The device further includes a rolled...
8816633 Energy harvesting circuit  
The advantageous embodiments comprise an apparatus to manage a current. An alternating current is received from an energy harvesting device configured to generate the alternating current. The...
8816534 System and method for generating, storing and transferring electrical power between a vehicle and an auxiliary application  
A system of charging and utilizing rechargeable battery packs. A vehicle is provided that has an internal vehicle battery rack with removable battery packs. The vehicle recharges the battery packs...
8816632 Radio frequency power transmission system  
A wireless power transmission system for use in a mobile asset comprising a host transmitter for providing at least one of a microwave or a lightwave energy signal, a receiver configured to receive...
8810191 Solar sign illumination system  
A lighting system hardware and control are described. Advantages of the system include the ability to add lighting to an otherwise unmodified location by providing a clamping system that is...
8797719 Mobile power system  
A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating...
8796984 Fuel cell system, control method for the fuel cell system, and vehicle equipped with the fuel cell system  
A fuel cell system includes a fuel cell, a secondary cell, and a control portion that controls the amount of electricity generated when the fuel cell is started. A start-time target voltage is set...
8796985 Electric power supply system  
An electric power supply system can determine a sharing ratio of an electric power so as to increase and decrease an output electric power supplied by an electric power generator in accordance with...
8786247 Charging circuit  
A charging circuit receives electric power from a solar battery, and charges a secondary battery. A charging current detection unit generates a detection signal that corresponds to a charging...
8786246 Power resource management  
Systems and methods that recharge power supply units of portable electronic devices by leveraging energy harvesting or scavenging techniques. A recharge component accumulates energy from a...
8779275 Thermoelectric generator battery charger and power supply  
A portable device for supplying with power of at least one portable electrical load or gadget (70), wherein the device (10) is adapted to be manually heated and comprises at least one...
8781538 Portable terminal, portable apparatus and supply power control method  
The cellular phone 100 according to the present invention comprises a plurality of solar cell modules 110 arranged on different surfaces of a casing, a plurality of electric power control parts 132...
8766590 Energy storage system of apartment building, integrated power management system, and method of controlling the system  
An energy storage system of an apartment building, an integrated power management system, and a method of controlling the integrated power management system. Power may be efficiently consumed by...
8760107 Anchor charger  
Improvements in a trickle charging system for a boat are presented. The anchor charger is a solar panel that harnesses sunlight to trickle charging a boat through the anchor light connection of a...
8760108 Photovoltaic handbag and system  
A bag includes a frame having a base, a pair of side walls, and a pair of end walls. The base, side walls, and end walls are engaged to one another to define an interior portion accessible via an...