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9035493 Power-fluctuation reducing apparatus for power generation system  
According to one embodiment, there is provided a power-fluctuation reducing apparatus in a power generation system to control a converter connected to the power generation system and connected to...
9013061 Multisource power system  
A multisource power system utilizing output isolated DC-DC converters in a serial input, parallel output arrangement provides uniform input voltage distribution and selective maximum power...
9000614 System for multiple energy storage and management and method of making same  
A system for multiple energy storage and management includes a propulsion system includes an electric drive and a direct current (DC) link electrically and a first energy storage system coupled to...
8987938 Hybrid inverter generator  
A hybrid engine and battery generator and a method of operating the same. The generator is controlled to operate in at least three modes: a battery-only mode, a battery charging mode, and a boost...
8941263 Energy storage system and method of controlling the same  
An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state...
8922057 System for multiple energy storage and management and method of making same  
A propulsion system comprising an electric drive, a DC link electrically coupled to the electric drive, and a first energy storage system electrically coupled to the electric drive, the first...
8922056 Power interchange system for interchanging electric energy between a battery and an electric grid, method for interchanging electric energy between a battery and an electric grid and application of the power interchange system  
A power interchange system for interchanging electric energy between a battery and an electric grid is provided The power interchange system includes a rectifier unit for converting alternating...
8916993 System for multiple energy storage and management and method of making same  
A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled...
8866441 Interlock mechanism for a multiple battery pack  
A method for operating a battery system having multiple battery packs. The method includes decoupling the output of a discharged battery pack from the vehicle load, reducing the voltage between an...
8866339 Power management circuit  
A power management circuit includes an input, a switch circuit, a first control unit, a second control unit, and a voltage conversion circuit. The input is connected to a load and receives a first...
8866447 Uninterruptible power supply having efficient power conversion  
An uninterruptible power supply having efficiency power conversion has an AC to DC power conversion circuit, a battery power conversion circuit and a control circuit. The AC to DC power conversion...
8860252 Power storage system, method of controlling the same, and computer readable recording medium storing a program for executing the method  
A power storage system for supplying power to a load by coupling a power generation system, a battery, and a grid, the power storage system includes a battery management system (BMS) for...
8836163 Adaptive controller for STATCOM to enhance voltage stability  
An adaptive controller for a static compensator (STATCOM) to enhance voltage stability comprises an outer voltage regulator loop and an inner current regulator loop. Each of the outer loop and the...
8829719 System for multiple energy storage and management and method of making same  
A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled...
8823211 Photovoltaic inverter and method for controlling photovoltaic inverter  
A photovoltaic inverter is provided, having a controller, an auxiliary power and a buffering element. The auxiliary power provides power to the controller. The buffering element is coupled between...
8795861 Fuel cell system and vehicle equipped with the same  
A fuel cell system and a fuel cell vehicle equipped with the fuel cell system are provided. In a case where the voltage of a battery is outside a voltage range of fuel cells where...
8779625 Adaptive solar powered system  
An apparatus for powering a load from solar energy comprises logic is coupled to the converter to control its conversion rate. A detector is coupled to the converter and detects its power output....
8754543 Battery energy source arrangement and voltage source converter system  
The invention relates to power networks, and in particular to a battery energy source arrangement and voltage source converter system in such network. The battery energy source arrangement...
8744635 Power production control method based on power production rate requirement  
A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power...
8736240 Hold-up time extension circuit for a power converter  
A power system has a power converter adapted for converting a first input voltage at an input thereof to a first output voltage at an output thereof, and a hold-up time extension circuit...
8736113 Method and system for limiting energy to a sensor  
A method and system for limiting energy to a sensor and/or an environment in which the sensor is located. A high current sensor driver is powered through a resistance-capacitance (RC) circuit. In...
8723359 Method for controlling sodium-sulfur battery  
A plurality of sodium-sulfur batteries are divided into a plurality of groups. Power to be input or output, which is assigned to all sodium-sulfur batteries in order to compensate for fluctuations...
8715876 Fuel cell vehicle  
A fuel cell vehicle is provided. At the time of regeneration of electric power by a motor, an ECU places a DC/DC converter in a direct connection state under control, and stores electric power in...
8698351 System and method for managing a power system with multiple power components  
According to a preferred embodiment of the invention, the system for managing a power system with a plurality of power components that includes power source components and power consumption...
8680711 Inverter bridge switching power source utlizing a capacitor with transformer for multiple outputs  
A switching power source apparatus includes a first arm including first and second switching elements, a second arm including third and fourth switching elements, a series circuit connected...
8664796 3-phase high power ups  
According to one aspect, embodiments of the invention provide a UPS comprising a plurality of electrical buses, a first AC/DC converter coupled to the electrical buses and configured to convert a...
8648493 Computer system having solar power unit and method of controlling the same  
A charging system for a mobile device such as a computer, and method of operating the same are disclosed. The computer is a system that includes: a system unit being provided with power output to...
8624432 Power assist using ambient heat  
An energy boost circuit adapted to provide power to a load is described. The circuit includes a pair of thermoelectric generators (TEGs) for converting thermal energy from a heat source into...
8598738 Power assist device  
[Problem] When load power is assisted, the number of component parts becomes greater because an AC power detector is provided in the AC power supply of an inverter. [Means for Solution] An...
8594572 Wireless electric power transmission through wall  
An apparatus for wirelessly transmitting electric currents walls. The walls may be bulkhead compartment walls of a fixed structure or a vehicle or the like. The apparatus includes a wireless...
8581608 Apparatus and method for detecting abnormality in solar cell power generation system  
The present invention provides an apparatus for easily detecting an abnormal status of power generation of a solar cell panel in a solar cell power generation system having the power generation of...
8558510 Apparatus for storing power and method of controlling the same  
Provided are a power storage apparatus and a method of controlling the power storage apparatus. The power storage apparatus stores power supplied from a power generation system or a power grid....
8502499 Charging device for electric drivable vehicle  
A charging device for an electrically-drivable vehicle comprises a power-supply connector (100), a power-receiving connector (200), a safety-charging-signal-generating unit provided in the...
8471403 Power supply arrangement of an elevator  
The invention relates to a power supply arrangement of a transport system. The transport system comprises a motor for moving the transport appliance; a power supply circuit of the transport...
8471511 Brushless motor control device and brushless motor  
A voltage application unit causes switching elements to apply voltage to flow an electric current into corresponding windings to generate a revolving magnetic field. A period derivation unit...
8471520 Managing renewable power generation  
A power delivery rate from a renewable power source to a load is managed by determining, by processing circuitry, a change in a power generation rate, determining, by the processing circuitry,...
8467836 Method and apparatus for transmitting data in wireless communication system  
A method and apparatus for transmitting data in a wireless communication system are disclosed, which transmit uplink data in consideration of mobile station (MS) consumption power such that a UE...
8450979 Power adapter with internal battery  
An adapter including an associated battery capable of powering an electronic device. The power adapter typically includes the battery as an integral component that is connected to a plug or other...
8432064 System and method for efficient power utilization and extension of battery life  
A circuit which extends the operational life of a main power source, said circuit comprising a pair of thermoelectric generators (TEGs) for converting thermal energy from a heat source into...
8427098 Hybrid energy storage system, renewable energy system including the storage system, and method of using same  
This disclosure generally relates to stabilizing energy provided by an energy source, and more particularly to systems and methods for using multiple types of energy storage devices to selectively...
8427097 Hybrid electrical power source  
An embodiment of the present invention includes first and second electrical energy sources configured to supply current to an output, and a controller configured to receive a signal indicative of...
8422256 Control system for high-efficiency operation in parallel inverter installations  
A control system for parallel connected inverter legs energized by a power source and configured for servicing a load is disclosed. The invention facilitates the number of running inverter legs to...
8420240 Method for controlling sodium-sulfur batteries  
When charge power or discharge power of each individual sodium-sulfur battery included in a plurality of sodium-sulfur batteries becomes 1/n (n is a natural number) or less of a rated output,...
8362643 Battery-based grid energy storage for balancing the load of a power grid  
The present invention provides a battery-based grid energy storage for balancing the load of an power grid, wherein the energy storage comprises: a battery array; a bi-directional inverter unit;...
8319471 Battery power delivery module  
A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power...
8310095 Power compensator and method for providing a black start with that compensator  
A power compensator for an electric power transmission line. The power compensator includes a voltage source converter, a capacitor and an energy storage device. The energy storage device includes...
8310094 Power supply system  
A power supply system capable of smoothing photovoltaic generation output, and enabling time shift is provided. A power supply system including a DC power supply string in which a storage battery...
8270636 Photon audio amplifier and fiber link for audio systems  
Systems and methods to minimize signal loss and distortions with connections of audio sources and speakers are disclosed. Fiber optic cables are used instead of conventional cables. The audio...
8248771 Power supply of personal computers equipped with a modular conversion circuit  
A power supply of personal computers equipped with a modular conversion circuit comprises a main circuit board, a conversion module board, a first conversion circuit and a first module slot...
8227935 Hybrid power supply device  
To provide a hybrid power supply device capable of properly controlling an operation of an engine generator and also preventing the device from increasing in size. The power supply device...

Matches 1 - 50 out of 249 1 2 3 4 5 >