Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
05/2010
05/27/2010WO2009155445A3 Integrated renewable energy generation and storage systems and associated methods
05/27/2010WO2009053668A8 Electrical generator arrangements
05/27/2010US20100127577 Power feed apparatus and operating method
05/27/2010US20100127572 Utility-interactive inverter system architecture and method of operation thereof
05/27/2010US20100127567 Power saving general purpose outlet
05/27/2010DE102008043914A1 Household appliance system, has household appliances attached to power supply, where energy smaller than required energy is assigned to one of appliances with energy requirement larger than maximum energy
05/27/2010CA2744176A1 Output-power control apparatus
05/27/2010CA2743994A1 Secondary battery system
05/27/2010CA2686158A1 Power feed apparatus
05/26/2010EP2190268A1 Device and method for controlling a power of several lights
05/26/2010EP2190110A1 Determining the rating of a direct voltage source being connectable via an inverter and a power switch to an electricity network
05/26/2010EP2190097A1 Method for operating an energy storage system
05/26/2010EP2190096A1 Secondary battery control apparatus and control method
05/26/2010EP2188879A1 Decentralized energy system and method for distributing energy in a decentralized energy system
05/26/2010EP2188878A2 Method and apparatus for providing heat and power
05/26/2010CN201491345U Solar generating controller
05/26/2010CN201490918U Miniature full bridge inversion network interconnection sine wave inverter
05/26/2010CN201490917U Circuit for restraining high-frequency common mode voltage
05/26/2010CN201490763U Motion control device of solar generation station
05/26/2010CN201490728U Combined to the grid anti-reflux control system
05/26/2010CN201490727U Solar electricity generating system
05/26/2010CN201490726U Safety grid-connection control loop of power generating set
05/26/2010CN201490725U Buffer grid-connected circuit for transformer of photovoltaic grid-connected inverter
05/26/2010CN201490724U Compensation device used for 10 kV bus of 35 kV transformer station
05/26/2010CN201490723U Terminal capacitance compensating device
05/26/2010CN201490722U Compensation device for high voltage circuit
05/26/2010CN201490721U Dynamic compensation device of reactive power for stepless high-speed phase control
05/26/2010CN201490720U Phased wattles power dynamic compensation device
05/26/2010CN201490719U Efficiency enhancing and power saving device
05/26/2010CN201490718U Anti-interference circuit for protecting power network and electric appliance
05/26/2010CN201489978U Variable parallel reactor
05/26/2010CN201489941U Novel ferrite reactor and compensating tank specially used for submerged-arc furnace and used for controlling harmonic wave
05/26/2010CN1976180B Variable speed variable frequency pneumatic electric machine and excitation control system
05/26/2010CN1477749B Coordinated controller for electric power equipment
05/26/2010CN101714764A Power generation system and method for storing electrical energy
05/26/2010CN101714763A High-efficiency stable multifunctional single-stage photovoltaic single-phase grid-connected control method
05/26/2010CN101714241A System for automatically generating single-wire tidal current diagram of large-screen power transmission network during power scheduling
05/26/2010CN101713803A Portable resistor-type current phase shifter
05/26/2010CN101713376A Controller and control method for wind turbine generator set
05/26/2010CN101286639B Continuously adjustable reactive power compensator with low cost
05/26/2010CN101176244B An AC power generating system
05/26/2010CN101164223B Method for operating an inverter comprising an upstream step-up device
05/26/2010CN101001036B Variable speed constant frequency wind-mill generator and its excitation control system
05/25/2010US7723867 Power gating of circuits
05/25/2010US7723866 Power backup system
05/25/2010US7723863 Power systems and methods using an uniterruptible power supply to transition to generator-powered operation
05/25/2010US7723862 Street light auxiliary power converter for ancillary devices
05/20/2010WO2010056455A1 Improved dc bus regulator
05/20/2010WO2010055592A1 Power converting apparatus
05/20/2010WO2010054477A1 System and method of democratizing power to create a meta-exchange
05/20/2010WO2010034906A3 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect
05/20/2010CA2743667A1 System and method of democratizing power to create a meta-exchange
05/19/2010EP2187516A1 Circuit arrangement of parallel power regulation devices for equal allocation of the input power supplied by the AC network
05/19/2010EP2187496A1 SMES apparatus, interface device for SMES and driving method therefor
05/19/2010EP2187495A2 Resonance mitigation system and method
05/19/2010EP2186180A2 Intelligent device and power source interaction
05/19/2010EP2185812A1 Control of active power reserve in a wind-farm
05/19/2010EP1143594B1 Power converting apparatus, control method therefor, and solar power generation apparatus
05/19/2010CN201479118U Digital-to-analog signal converter and electric energy quality signal generator using the same
05/19/2010CN201479074U Controller for magnetic control reactor
05/19/2010CN201479065U Alternating current electromotor soft starter
05/19/2010CN201479046U Dynamic voltage recovery system based on solar power generation and energy storage
05/19/2010CN201478879U Power dispatching exchange dual-node tandem network
05/19/2010CN201478839U Intelligent type power load management apparatus
05/19/2010CN201478838U Auxiliary power supply device capable of being connected in parallel
05/19/2010CN201478837U Automatic switching device for parallel economic operation of remote-mounted 6 kV to 20 kV transformers
05/19/2010CN201478836U Connecting structure between capacitors inside reactive power compensation case and air master switch
05/19/2010CN201478835U Intelligent capacitor used in reactive power compensation
05/19/2010CN201478834U Low-voltage reactive power compensation switching device
05/19/2010CN201478833U Ore-smelting electric furnace short network of three-phase three-pole triangle structure
05/19/2010CN201478832U Voltage-regulation energy saver
05/19/2010CN201478831U High-voltage hybrid active filter system
05/19/2010CN201478705U Intelligent passageway power-sharing
05/19/2010CN201474196U Light-concentrated solar tile capable of supplying heat and generating power
05/19/2010CN101711448A Dynamic voltage sag correction
05/19/2010CN101710818A Digital voltage regulator of synchronous power generator
05/19/2010CN101710789A Megawatt-level permanent magnet direct-drive wind-force generating converter and control method
05/19/2010CN101710738A Automatic voltage control system of power plant substation
05/19/2010CN101710732A Unmanned helicopter continuous voltage-stabilizing power supply system with engine air restarting function
05/19/2010CN101710720A AC-AC frequency-conversion wind power generating system for semi-direct driving sub-intermediate speed cage type rotor
05/19/2010CN101710719A Circuit structure for common-mode inductors with damping resistors applied to energy feedback devices
05/19/2010CN101710718A Working method of grid-connected photovoltaic power generation system
05/19/2010CN101710717A Low-voltage harmonic filter for full-scale converter systems
05/19/2010CN101710716A Grid-connected inverter capable of reducing electrolytic capacitance
05/19/2010CN101710715A System and method for controlling low voltage ride through of double-feed induction wind driven generator in power grid voltage instantaneous drop
05/19/2010CN101710714A Direct power control method for constant switching frequency of three-phase voltage type synchronization inverter
05/19/2010CN101710713A Method for direct power control of fixed switching frequency of network-based doubly-fed induction generator
05/19/2010CN101710712A Automatic recovery method for power loss of shipping grid
05/19/2010CN101710711A Monitoring system for energy storing device for output power of smooth wind power system
05/19/2010CN101710710A Wind-power-station power output counterbalance system and working method thereof
05/19/2010CN101710709A Reactive power compensation integrated box of low-voltage distribution transformer
05/19/2010CN101710708A Static synchronous compensator system based on mixed energy storage of solar energy and storage battery
05/19/2010CN101710707A Power quality comprehensive compensation system of electric railway and control method thereof
05/19/2010CN101710706A High-voltage alternating current (network) control device consisting of switch transformer module
05/19/2010CN101710705A Five-level active power filter control system based on DSP
05/19/2010CN101710704A Electric energy adjustment device for active and reactive power adjustment of high-voltage system
05/19/2010CN101710703A Static optimization method of power gathering and output electric capacity of wind power station group
05/19/2010CN101710702A Method for realizing dynamic energy-saving distribution of electrical power system
05/19/2010CN101709597A Concentrating solar tile capable of supplying heat and generating power
05/19/2010CN101291057B Dynamic voltage compensator adopting 3 phase structure
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