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8963486 Wireless power from renewable energy  
Exemplary embodiments are directed to wireless charging. A charging system may comprise at least one power generation system configured to convert renewable energy to another form of energy and...
8963480 Charging control system and device  
A charging control system for charging a secondary battery from a solar battery, including a first path for transmitting power from the solar battery to the secondary battery, a second path for...
8957622 Fuel cell system and electronic device  
The present invention provides a small fuel cell system including a secondary battery, in which deterioration in the secondary battery is suppressed regardless of a temperature condition. A control...
8957623 Systems and methods for controlling multiple storage devices  
Systems and methods for controlling multiple storage devices are provided. A system may include a first storage device and a second storage device, each adapted to store and release electrical...
8957301 Solar cell, module, array, network, and power grid  
The present invention teaches a solar cell, a solar module, a solar array, a network of solar arrays, and also a solar power grid suitable for providing power for industrial, residential and...
8952649 Efficiency based stand-by mode for fuel cell propulsion systems  
A system and method for operating a fuel cell system in a stand-by mode. The method includes determining a power limit value based on fuel cell stack and battery power optimization, where if a...
8947039 Solar charged hybrid power system  
A solar powered hybrid power system including a solar charge collector; a charge storage system comprising at least a first charge storage device adapted to receive and store charge from said solar...
8933659 Terminal device and charging control method  
A terminal device including a solar battery panel; a panel temperature-detection unit configured to detect a temperature measured near the solar battery panel; a power generation-state...
8933660 Stowable tracking photovoltaic array  
Technologies related to a photovoltaic array apparatus are generally described. In some examples, the apparatus may comprise a central hub, adjustable length struts, and a plurality of photovoltaic...
8924057 Method for starting a hybrid vehicle  
A method for starting a hybrid vehicle when the vehicle is already connected to an external power source. In some hybrid vehicles, it can be undesirable for an external power source (e.g., an AC...
8922048 PV sub-generator junction box, PV generator junction box, and PV inverter for a PV system, and PV system  
A photovoltaic (PV) sub-generator junction box (1) for a PV system (100) comprises a plurality of electric terminals (11) for optionally connecting one respective PV string (2) of one or more...
8922156 Solar power-generating equipment  
Disclosed herein is solar power-generating equipment, including: a solar cell; a secondary battery; an electric power outputting portion; a display portion configured to display thereon information...
8917052 Solar cell connection module  
A solar cell connection module that includes a solar cell, a first junction box, and a second junction box. The solar cell panel includes a negative electrode and a positive electrode. The first...
8917051 Integrated fuel processor and fuel cell system control method  
The present invention provides a novel method of controlling a mobile, integrated fuel processor and fuel cell system that utilizes an innovative combination of feedback and feed forward control...
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...