Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
02/2010
02/17/2010CN101651346A Multi-phase power supply device and method
02/17/2010CN101651345A Intelligent alarming method for grid
02/17/2010CN101651344A Method for screening and filtering grid alarm
02/17/2010CN101651343A Method and system for checking electric power system model based on hybrid dynamic simulation
02/17/2010CN101651342A Method for directionally controlling section tidal current based on direct current factor table
02/17/2010CN101651341A Electric power supply module and electric power supply device
02/17/2010CN101651340A Method for researching power quality policy in first-rank power supply for 2010 world expo
02/17/2010CN100590947C Large electric network on-line preventing control method based on static state and transient safety steady mode
02/16/2010US7663866 Remote control duo power set
02/16/2010US7663265 Power supply arrangements
02/14/2010CA2669057A1 Wind turbine generator system
02/11/2010WO2010017041A2 Autoloop system and method of operation
02/11/2010WO2010016420A1 Power distribution system
02/11/2010WO2010016158A1 Secondary battery control apparatus and control method
02/11/2010WO2010015049A1 Electro-electronic device
02/11/2010WO2010015034A1 An electrical power distribution installation
02/11/2010US20100033018 Electronic equipment and charging controlling method
02/11/2010US20100033016 System for Generating Electric Energy
02/11/2010US20100033015 Unitized Electric Generator and Storage System - Combined Hydro Turbine and Solar Powered Electrical Storage System
02/11/2010US20100031670 Power station and method for its operation
02/11/2010US20100031667 Method for operating a power plant
02/11/2010DE102009033955A1 Leistungsverarbeitungssyteme und -verfahren zur Verwendung in Steckdosen-Elektrofahrzeugen Leistungsverarbeitungssyteme and procedures for use in sockets electric vehicles
02/11/2010CA2733046A1 An electrical power distribution installation
02/10/2010EP2151905A2 Optimizing usage of powered systems
02/10/2010EP2151904A2 Power demand management
02/10/2010EP2151036A2 Photovoltaic ac inverter mount and interconnect
02/10/2010EP2151035A1 Distributed inverter and intelligent gateway
02/10/2010EP2151034A2 Regulation system
02/10/2010EP2151033A2 Power control system
02/10/2010EP2151032A1 Method for the operation of an arrangement with at least one energy distribution device
02/10/2010EP2151031A1 Method for operation of an arrangement with at least one energy distribution device
02/10/2010EP2136449B1 Solar power plant
02/10/2010EP1668757B1 Grid stabilising system
02/10/2010CN201402986Y Electric energy monitoring and saving system
02/10/2010CN201402985Y Low-voltage cabinet dry-type magnetically controlled reactor
02/10/2010CN201402984Y 低压无功功率补偿模块 Low voltage reactive power compensation module
02/10/2010CN201402983Y Digitalized dynamic intelligent reactive-load compensating gear
02/10/2010CN201402982Y Input harmonic voltage absorption circuit of low-voltage intelligent reactive compensating device
02/10/2010CN201402981Y 10kV or 6kV transmission line reactive power compensator
02/10/2010CN201402980Y Capacitor equipment
02/10/2010CN201402979Y Electrical power equipment
02/10/2010CN201402978Y Omnidirectional high-performance electric power energy-saving device
02/10/2010CN201402977Y Ventilator power supply circuit
02/10/2010CN101647173A Damping electromagnetic oscillations in power systems
02/10/2010CN101647172A Multi-source, multi-load systems with a power extractor
02/10/2010CN101645607A Quick ideal condition quasi-synchronization paralleling method of hydro-generator
02/10/2010CN101645606A A modular converter for converting the electric power produced by aerogenerators, and a wind-power plant that uses said converter
02/10/2010CN101645605A Modularized parallel combination type high-power photovoltaic synchronization contravariant device, control system and control method thereof
02/10/2010CN101645604A Method for switching unloaded current at 1000kV high-voltage side of ultra-high-voltage transformer
02/10/2010CN101645603A Negative sequence management method of energy injection type balance electric system
02/10/2010CN101645602A Power load energy-saving management and control method and system
02/10/2010CN101645601A Discrimination method of delay dependent robust stability of power system
02/10/2010CN101645600A Discrimination method of double-delay dependent robust stability of power system
02/10/2010CN101645599A Pretreatment unit capable of automatically generating power to control target loads
02/10/2010CN100589300C Three-phase four-wire system dynamic reactive-load generator circuit
02/09/2010CA2424740C Power supply and interconnect system
02/08/2010CA2638686A1 Power distribution unit configured for direct contact with leads
02/04/2010WO2010014960A2 Wind turbine direct current control system and methods
02/04/2010WO2010014195A2 Electrical power distribution system and method thereof
02/04/2010WO2010013783A1 Power distribution system
02/04/2010WO2010013731A1 Power distribution system
02/04/2010WO2010013265A1 A plant for low-power preferably single-phase electrical supply to buildings for residential and non-residential use.
02/04/2010US20100026275 Flux control system for active voltage conditioning
02/04/2010US20100026099 Electronic apparatus, charger, charging system, and charging method
02/04/2010US20100026096 Method and system for power load management
02/04/2010US20100026088 Single- or dual-inverter auxiliary power conversion apparatus and system and narrow-hysteresis charging method
02/04/2010US20100025997 Method of operating a wind power installation and a wind power installation
02/04/2010US20100025995 Current source converter-based wind energy system
02/03/2010EP2149957A1 Priority based power distribution arrangement
02/03/2010EP2149184A1 Common mode filter system and method for a solar power inverter
02/03/2010EP2149183A2 Photovoltaic module-mounted ac inverter
02/03/2010EP2149182A2 Device for high-voltage direct current transmission
02/03/2010CN201398174Y Power saving device special for asynchronous motor
02/03/2010CN201398172Y Novel MCR magnetic control box
02/03/2010CN201398095Y Shared control area loss appointment and evaluation system in case of regional power grid fault
02/03/2010CN201398082Y Median grid-connected wind power generation system
02/03/2010CN201398081Y Low-voltage magnetic control type filtering powerless dynamic compensation device
02/03/2010CN201398080Y Low-voltage distribution network load measuring-recording and powerless regulating device
02/03/2010CN201398079Y Dynamic compensation device of oil well rig power supply system
02/03/2010CN201398078Y Unattended operation vacuum combined type reactive power compensator for high-voltage electricity
02/03/2010CN201398077Y High-efficient novel solar grid-connected controller
02/03/2010CN201398016Y Reactive compensation chamber structure of intelligent electric combined box
02/03/2010CN101640425A Intelligent electric load management device
02/03/2010CN101640424A On-off system of 1000kV AC ultrahigh-voltage transmission line
02/03/2010CN101640423A Generator system for wind power generation and variable speed control method
02/03/2010CN101640422A Series capacitance compensator
02/03/2010CN101640420A Voltage surge-free commissioning method when TCR and FC share high voltage switch
02/03/2010CN101640419A Intra-area master reactive controller for tightly coupled windfarms
02/03/2010CN101640418A Identification method of transient state stable key transmission cross-section of electric power system fault
02/03/2010CN101640417A Load management method and device
02/03/2010CN100588103C Inverter controlling method
02/03/2010CN100588073C Current control method and device of flexible DC power transmission current transformer
02/03/2010CN100588072C Method for feeding back switch power supply aging energy and realizing circuit
02/03/2010CN100588071C Integrated control method for the combined network power generation and grid power active filtering
02/03/2010CN100588070C System for controlling and managing micro power network
01/2010
01/30/2010CA2674372A1 Automatic transfer switch
01/28/2010WO2010010754A1 Charge/discharge system and electric vehicle
01/28/2010WO2010009502A1 An authentication system for a plug-in electric drive vehicle
01/28/2010WO2009098093A3 Inverter arrangement for feeding photovoltaically generated power into a public network
01/28/2010US20100019680 Power supply system, wireless communication system and illumination system