Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
11/2010
11/17/2010CN1972061B Apparatus and method of recovering voltage amplitude and phase in drooping method of outer characteristic
11/17/2010CN1747274B Predicting control of active power filter
11/17/2010CN1639651B Data sample and transmission modules for power distribution systems
11/17/2010CN1639649B Method and system for conditionally triggered system data capture
11/17/2010CN101889378A Series voltage compesator and method for series voltage compensation in electrical generators
11/17/2010CN101888199A Novel technical scheme of applying photovoltaic technology to coal-fired power plant
11/17/2010CN101888095A Variable structure control method of grid-connected photovoltaic system
11/17/2010CN101888094A Energy storage method for double-feed current transformer
11/17/2010CN101888093A Low voltage ride through analogue system of wind generation system
11/17/2010CN101888092A Railway solar energy grid-connected photovoltaic system
11/17/2010CN101888091A Wind power grid-connected generating system for highway isolated belt
11/17/2010CN101888090A Static reactive power compensation device based on energy method and control method thereof
11/17/2010CN101888089A Three-phase power voltage stabilizer with three-phase and three respective single-phase output function
11/17/2010CN101888088A Optimal configuration method of hadal large-scale semi-submersible drilling platform power distribution system
11/17/2010CN101888087A Method for realizing distributed super-short-term area load forecasting in distribution network terminal
11/17/2010CN101888045A Circuit and method for preventing direct current arc discharge
11/17/2010CN101510689B Synchronous switch
11/17/2010CN101459340B Static synchronization compensator chaos balance control system based on cascade type DC-to-AC converter
11/17/2010CN101354956B Large-capacity double-body phase-shifting transformer
11/16/2010US7834599 Rapid supply voltage ramp using charged capacitor and switch
11/16/2010US7834483 Energy harvesting system and method using multiple energy sources
11/16/2010US7834479 Methods and systems for intentionally isolating distributed power generation sources
11/15/2010CA2704408A1 Inertial catch for an automatic transfer switch power contactor
11/11/2010WO2010129691A2 Voltage conservation using advanced metering infrastructure and substation centralized voltage control
11/11/2010WO2010127720A1 Method of adapting a configuration of a voltage converting device and voltage converting unit for a voltage converting device
11/11/2010WO2010127375A1 Monitoring apparatus
11/11/2010US20100285702 Hybrid electric power system with distributed segmented generator/motor
11/11/2010US20100283395 Multi-feed rf distribution systems and methods
11/11/2010US20100282910 Power control system
11/11/2010DE202010010695U1 Einrichtung zum Konvertieren des Wind- und Fotovoltaikstroms in netzfähige und grundlastige elektrische Energie mit konstanter Spannung und Frequenz Means for converting the wind and photovoltaic current in network-capable heavy and basic electrical energy with constant voltage and frequency
11/11/2010DE102009017939A1 Windpark mit mehreren Windenergieanlagen sowie Verfahren zur Regelung der Einspeisung von einem Windpark Wind farm with several wind turbines and method for controlling the supply of a wind farm
11/11/2010CA2761100A1 Method of adapting a configuration of a voltage converting device and voltage converting unit for a voltage converting device
11/11/2010CA2758536A1 Voltage conservation using advanced metering infrastructure and substation centralized voltage control
11/11/2010CA2703068A1 Electrical panel input interlock assembly
11/10/2010EP2249474A1 Method for suppressing network originated faults in a power plant assembly
11/10/2010EP2249394A1 Photovoltaic power system
11/10/2010EP2248250A2 Method and apparatus for distributed var compensation
11/10/2010EP2248241A1 Method and system for reducing feeder circuit loss using demand response
11/10/2010EP2247850A1 Wave power plant and method for operating the same
11/10/2010EP1668245B1 Wind power plant comprising a reactive power module for supporting a power supply system and corresponding method
11/10/2010CN201629709U High-voltage soft start and compensation integrated device
11/10/2010CN201629708U High-voltage alternating-current motor electromagnetic voltage-regulating and compensating soft start device
11/10/2010CN201629685U Phase-controlled industrial DC power supply control system
11/10/2010CN201629664U Multi-channel wideband integrated low-pass power supply filter
11/10/2010CN201629583U Automatic switching running device of distribution transformer set
11/10/2010CN201629582U Energy storage power station
11/10/2010CN201629581U Electricity reactive compensation circuit
11/10/2010CN201629580U Outdoor pole top low-voltage capacitance intelligent compensation box
11/10/2010CN201629579U Full-insulation capacitor device
11/10/2010CN201629578U Low-voltage power capacitor
11/10/2010CN201629577U Intelligent compensation unit without inrush current
11/10/2010CN201629576U Active power filtering device with function of sleeping
11/10/2010CN201629575U Special electricity saving device for machine rooms
11/10/2010CN201629574U Opening type power network loss real-time analysis system
11/10/2010CN201629573U Self cooling fan power supply of variable frequency motor
11/10/2010CN101884152A Control system and control method of power system
11/10/2010CN101882874A Power supply system and apparatus
11/10/2010CN101882799A Control method of alternating voltage sensorless high voltage direct current transmission converter
11/10/2010CN101882798A LVRT test control device
11/10/2010CN101882797A Method for efficiently emerging marsh gas power generation into user power utilization network
11/10/2010CN101882796A Control method of tailings discarding speed rise mechanical kinetic energy feedback rate of high-speed wire rod mill
11/10/2010CN101882795A Regenerative electric energy feedback method for elevator and device thereof
11/10/2010CN101882794A Combined array wind generator
11/10/2010CN101882793A Flexible demountable array wind driven generator
11/10/2010CN101882792A Connection method for ultrahigh-voltage direct current transmission and ultrahigh-voltage converter stations
11/10/2010CN101882791A Controllable serial capacitor optimal configuration method capable of improving available transmission capacity
11/10/2010CN101882790A Capacitor configuration method and system
11/10/2010CN101882789A Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker
11/10/2010CN101882788A Method and device for improving supply voltage at tail end of long supply arm of heavy haul railway
11/10/2010CN101882787A Railway power regulator based on half-bridge structure
11/10/2010CN101882786A Harmonic wave and idle dynamic management controller suitable for high pressure system and control method
11/10/2010CN101882785A Flow analysis system and method for intelligent power distribution networks containing distributed generation
11/10/2010CN101882256A Electric energy quality monitoring method, device and system
11/10/2010CN101882237A Improved immunity-particle swarm optimization operation
11/10/2010CN101881062A Energy-saving and environment friendly sun room
11/10/2010CN101505064B Control method for series connection type active electric power filter
11/10/2010CN101505060B Frequency conversion method for implementing multi-sampling rate signal by using narrow band filtering in electricity grid
11/10/2010CN101340095B Reactive layered self-adapting control method for power distribution network
11/10/2010CN101325336B Method for matching multi-region electric network swim based on belt restriction state estimation
11/10/2010CN101252281B Method and system for testing electric voltage reactive-load integrated control functions
11/10/2010CN101114771B Wind-electricity integration power stabilizer based on active type voltage source DC power transmission
11/09/2010US7830687 Adaptive power electronics interface for hybrid energy systems
11/09/2010US7830685 Method modular power supply for x-ray tubes and method thereof
11/09/2010US7830679 Transmission system
11/09/2010US7830042 Dimmer switch for use with lighting circuits having three-way switches
11/09/2010US7830037 Grid stabilising system
11/09/2010US7830029 Method for operating a wind park
11/09/2010CA2491653C Method for operation of a power generation plant
11/04/2010WO2010126652A1 Methods and systems for no-break power transfer with a converter
11/04/2010WO2010124706A1 Submodule for a multi-stage power converter having additional energy storage device
11/04/2010WO2010124546A1 Battery-based power station
11/04/2010US20100280674 Metering and Regulating the Distribution of Power
11/04/2010US20100280672 System for regulating the active power of a wind farm
11/04/2010US20100277001 Systems, Methods, and Apparatus for Converting DC Power to AC Power
11/04/2010US20100276998 Battery-Based Grid Energy Storage for Balancing the Load of a Power Grid
11/04/2010US20100276997 Intelligent industrialized electrical system that can be customized for premises
11/04/2010US20100276996 Methods and systems for no-break power transfer converter
11/04/2010US20100276931 Method of operating a wind park
11/04/2010DE20222013U1 Stromkompensierte Drossel und Schaltungsanordnung mit der stromkompensierten Drossel Common Mode Choke and circuitry with the current compensated choke
11/04/2010DE102009018240A1 Photovoltaikanlage mit Batterie und Ersatzkraftwerk PV system with battery and spare power plant