Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2010
03/24/2010CN101682189A Method and parameterisable device for distributing and managing power
03/24/2010CN101682188A Power station for power transmission to remotely located load
03/24/2010CN101680428A Variable speed wind turbine with doubly-fed induction generator compensated for varying rotor speed
03/24/2010CN101677224A Variable-speed constant-frequency wind power generation system with high cost performance
03/24/2010CN101677222A System and method for controlling ramp rate of solar photovoltaic system
03/24/2010CN101677186A Home-use solar energy photovoltaic grid-connection power plant
03/24/2010CN101677185A Wind, light and oil off-grid and grid-connected type power supply distribution control system
03/24/2010CN101677184A Reactive power compensation in solar power system
03/24/2010CN101676942A Methods for assessing reliability of power system of utility company
03/24/2010CN101676941A Methods for managing high or low voltage conditions from selected areas of a power system of a utility company
03/24/2010CN101676940A Energy management system that provides real time situation awareness of a potential energy management failure
03/24/2010CN101676852A Methods for creating dynamic lists from selected areas of a power system of a utility company
03/24/2010CN100595992C 10KV electric network terminal disconnection control system
03/23/2010US7683584 Power source switching apparatus and method thereof
03/23/2010US7683569 Parallel hybrid vehicle optimal storage system
03/19/2010CA2678330A1 Quasi-ac, photovoltaic module for unfolder photovoltaic inverter
03/18/2010WO2010031029A1 Energy management of clothes dryer appliance
03/18/2010WO2010031025A1 Energy management of household appliances
03/18/2010WO2010031012A1 Management control of household appliances using rfid communication
03/18/2010WO2010030862A1 A method for load control using temporal measurements of energy for individual pieces of equipment
03/18/2010WO2010029315A2 Systems, devices and methods for electricity provision, usage monitoring, analysis, and enabling improvements in efficiency
03/18/2010WO2010028954A2 Power control for a wind park
03/18/2010WO2010003941A3 Network connection of solar cells
03/18/2010WO2010003730A3 Controller and method for controlling a device connected to a power supply
03/18/2010WO2010000664A3 Method and system for operating a wind power plant comprising a number of wind turbine generators
03/18/2010US20100066167 Electrical load, system and method
03/18/2010DE102008046747A1 Verfahren zum Betrieb eines Produktionssystems und/oder einer lokalen Anlage im Inselbetrieb A method of operating a production system and / or a local plant in island mode
03/18/2010DE102008044528A1 Steuervorrichtung für eine Stromtankstelle zum Strombezug und/oder zur Stromeinspeisung einer mobilen Speicher- und Verbrauchseinheit Control apparatus for a charging station for electricity purchases and / or power supply of a mobile storage and consumption unit
03/18/2010DE102008044526A1 System zum ortsunabhängigen Strombezug und/oder zur ortsunabhängigen Stromeinspeisung einer mobilen Speicher- und Verbrauchseinheit System for location-independent electricity purchases and / or location-independent power supply of mobile storage and consumption unit
03/18/2010CA2737153A1 A method for load control using temporal measurements of energy for individual pieces of equipment
03/18/2010CA2723083A1 Energy management of clothes dryer appliance
03/18/2010CA2723067A1 Energy management of household appliances
03/18/2010CA2722999A1 Management control of household appliances using rfid communication
03/17/2010EP2164148A2 Method and system for improving the peak power capability in an electric network (e.g. of an aircraft)
03/17/2010EP2164147A2 Reactive power compensation in solar power system
03/17/2010EP2163909A1 Method of detecting a sustained parallel source condition
03/17/2010CN201426044Y Motor power saver
03/17/2010CN201426043Y Load control and management system based on GPRS network
03/17/2010CN201426006Y Whole set of low voltage integrated switching device
03/17/2010CN101675569A Static var compensator apparatus
03/17/2010CN101675568A Control system and method for a tcsc in an electric energy transport network in particular using a sliding-modes approach
03/17/2010CN101675567A System and method for control of a tcsc in an electricity transport network, specifically using a lyapunov approach
03/17/2010CN101673964A Modular UPS integrated power distribution system
03/17/2010CN101673954A Phase-locked loop and phase locking method of grid voltage phase measurement in grid-connection
03/17/2010CN101673953A Novel energy feedback device connectable to multiple frequency converters
03/17/2010CN101673952A Precise phase locking method based on cross decoupling self-adaptive complex filter
03/17/2010CN101673951A Thyristor valve triggering and monitoring system
03/17/2010CN101673950A Static var compensator (SVC) and DC ice melting device and realization method thereof
03/17/2010CN101673949A Method for automatically generating electric network current diagram
03/17/2010CN101673948A N-2 combined fault quick sequencing method for transient stability analysis of electric power system
03/17/2010CN101673313A Photovoltaic power station mathematical modeling method for transient/dynamic analysis of power system
03/17/2010CN101672254A Wind farm and control method thereof
03/17/2010CN101672252A A wind turbine and a method for the control thereof
03/17/2010CN100594648C Demand control apparatus and power consumption prediction method
03/16/2010US7680561 Method of facilitating communications across open circuit breaker contacts
03/16/2010US7679216 Power supply scheme for reduced power compensation
03/16/2010US7679214 Electronic device incorporating system power supply unit and method for supplying power supply voltage
03/11/2010WO2010025771A1 An arrangement for interconnecting two distant locations and a method for transmitting electric power
03/11/2010WO2010025560A1 Power conversion system for a multi-stage generator
03/11/2010US20100064151 Apparatus for controlling supply of electric power and apparatus for controlling electric power
03/11/2010US20100060082 Electronic device
03/11/2010DE102009043886A1 Systeme und Verfahren zum Bereitstellen einer unterbrechungsfreien Stromversorgung einer Schiffsservosammelleitung eines Wasserfahrzeugs Systems and methods for providing an uninterruptible power supply of a ship power bus of a vessel
03/11/2010DE102008045238A1 Verfahren zur Inbetriebnahme eines Systems zur Ermittelung der Energieflüsse in einer Energieverteilungseinrichtung Method for starting up a system for determining the energy flows in a power distribution facility
03/11/2010CA2773040A1 Power conversion system for a multi-stage generator
03/10/2010EP2161806A2 Adaptive inductive power supply with communication related applications
03/10/2010EP2161444A2 Intra-area master reactive controller for tightly coupled windfarms
03/10/2010EP2160829A1 Redundant current valve control in a high voltage power transmission system
03/10/2010EP2160822A2 Power system
03/10/2010CN201422020Y Energy saver utilizing super capacitors to implement peak load shifting of electric power
03/10/2010CN201422019Y Reactive compensating device
03/10/2010CN201422018Y Bracket rod in cabinet of reactive compensating device
03/10/2010CN201422017Y Energy-saving multiplier of motor group
03/10/2010CN201422016Y Low-voltage system zero sequence current purification energy-saving distribution packaged device
03/10/2010CN201422015Y Active power filter
03/10/2010CN201422014Y Power system for instrument control variable factory in thermal power plant
03/10/2010CN101669262A Modular power converters usable alone or in a multiphase power converter
03/10/2010CN101667736A Three-stage brushless micro gas turbine electricity generation grid-connecting device and grid connecting method
03/10/2010CN101667735A Method for controlling electric power of secondary batteries
03/10/2010CN101667734A Dampened series capacitor platform
03/10/2010CN101667733A Capacitance compensation switching switch
03/10/2010CN101667732A Isolation transformer type multi-level voltage output mobile three-phase voltage-stabilizing power supply
03/10/2010CN101667731A Method for solving difficulties of peak load regulation of power grid, installation and electricity and coal deficiency
03/10/2010CN101667730A Method for monitoring and managing electrical energy quality of electric distribution network
03/10/2010CN100593892C Enterprise power distribution network synthesis energy saving method
03/09/2010US7675197 Apparatus and method for inductive power transfer
03/09/2010US7675195 Load control system having a plurality of repeater devices
03/09/2010US7675194 Device for powering equipment, and an equipment power supply system
03/09/2010US7675190 Assembly for transmitting information via a low-voltage power supply network
03/04/2010WO2010022487A2 A device and method of monitoring and controlling the state of operation of electronic apparatuses
03/04/2010WO2009112605A8 Method of operation of a wind turbine to guarantee primary or secondary regulation in an electric grid
03/04/2010WO2009022979A3 A wind-power unit and a method for generating electrical energy
03/04/2010US20100057267 System and method for controlling ramp rate of solar photovoltaic system
03/04/2010US20100052629 Adaptive zero current sense apparatus and method for a switching regulator
03/04/2010US20100052555 Power supply system, lamp system and method of controlling light intensity
03/04/2010US20100052554 Cell Arrangement for Feeding Electrical Loads such as Light Sources, Corresponding Circuit and Design Method
03/04/2010US20100052429 Power Generation and Control System
03/04/2010US20100052428 Multi-cell battery system, and management number numbering method
03/04/2010DE102008049310A1 Wind energy plant for production of electricity, has rectifier, intermediate circuit and inverter for conversion of three phase alternating current of primary frequency, into three phase alternating current of secondary frequency
03/03/2010EP2159907A2 Electrical filter assembly
03/03/2010EP2159896A2 Electrical system and method of operating such a system