Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
02/2013
02/13/2013CN102496962B Method for identifying and controlling wind power consumption capability of power system under peak load and frequency regulation constraints
02/13/2013CN102255334B Intelligent unit matrix grid connecting technology of wind generating set and special equipment thereof
02/13/2013CN102185321B Integrated static compensator of distribution transformer
02/13/2013CN102170170B Wind-power adsorption connected large-power-grid scheduling rolling planning method
02/13/2013CN102126438B Electric split-phase non-interruption flexible connection-compensation device and method for traction electric network
02/13/2013CN102118116B Solar photovoltaic synchronization group micro-inverter and direct current and alternating current inverting methods
02/13/2013CN102106056B Charge/discharge system and electric vehicle
02/13/2013CN102075014B Large grid real-time scheduling method for accepting access of wind power
02/13/2013CN101950966B Dual-buck full-bridge parallel-connected active electric filter based on frequency multiplication SPWM (Sinusoidal Pulse Width Modulation) control
02/13/2013CN101828331B Power system having dual synchronization
02/13/2013CN101807794B Electronic device and method for regulating power consumed thereby in located electric network thereof
02/13/2013CN101707372B Method for calculating and releasing rate of qualified power quality and voltage indexes
02/13/2013CN101336504B Method for smoothing alternating electric current from a number of power generating units and wind power plant including a number of wind mills with variable rotational speed
02/12/2013US8375229 Apparatus for controlling supply of electric power and apparatus for controlling electric power
02/12/2013US8374729 Smart electrical outlets and associated networks
02/12/2013US8373949 Hybrid power plant for improved efficiency and dynamic performance
02/12/2013US8373308 Device and method for generating alternating current
02/12/2013US8373303 Solar synchronized loads for photovoltaic systems
02/12/2013US8373302 Renewable power transmission overlay
02/12/2013US8373301 System and method for providing power to two loads from a single three-phase inverter
02/12/2013CA2614992C Power control of a wind park
02/12/2013CA2443450C Method and apparatus for controlling power drawn from an energy converter
02/09/2013CA2779888A1 Hybrid electric generator set
02/08/2013DE202012012075U1 Steuereinheit zur phasenweise Adressierung von Wechselrichtern Control unit for phased addressing inverters
02/07/2013WO2013019124A1 Double conductor single phase inductive power transfer tracks
02/07/2013WO2013019122A1 Interoperability of magnetic structures for inductive power transfer systems
02/07/2013WO2013018693A1 Charge/discharge control system for storage cell assembly
02/07/2013WO2013018601A1 Storage battery system
02/07/2013WO2013018600A1 Power supply system
02/07/2013WO2013018528A1 Method for non-binding consumer premises energy forecast sharing in energy management system
02/07/2013WO2013018364A1 Electrical current control apparatus, electrical current control method, and electrical current control system
02/07/2013WO2013018084A1 A single-wire electric system
02/07/2013WO2013017896A2 Responsive load control method
02/07/2013WO2013017789A2 Device for supplying an aircraft on the ground with electricity
02/07/2013WO2013017720A2 Reactive power compensation system, in particular applicable to dwellings
02/07/2013WO2013017177A1 A dc to dc converter assembly
02/07/2013WO2013017160A1 A dc to dc converter assembly
02/07/2013US20130033119 Methods and systems for reducing leakage current
02/07/2013US20130033111 Solar power generation system
02/07/2013US20130033103 Systems and Methods For Distributed Impedance Compensation In Subsea Power Distribution
02/07/2013DE202013000045U1 Steuereinheit zum Betrieb einer Lader-/Wechselrichtereinheit für durchlaufende Pufferung von elektrischer Energie Control unit for operating a loader / inverter unit for continuous buffering of electrical energy
02/07/2013DE102011080337A1 Verfahren zur Zwischenspeicherung von in einem Energieverteilungsnetz zur Verfügung stehender Energie Method for caching of the available energy in a power distribution network
02/07/2013DE102011080296A1 Wechselrichter, Photovoltaikanlage und Betriebsverfahren Inverters, photovoltaic system and method of operation
02/07/2013CA2843825A1 Responsive load control method
02/07/2013CA2842567A1 A single-wire electric system
02/07/2013CA2842086A1 Device for supplying an aircraft on the ground with electricity
02/06/2013EP2555370A1 Control apparatus and control method
02/06/2013EP2555369A1 Recharging system
02/06/2013EP2553788A2 Method of operating a wind turbine, wind turbine, wind turbine controlling system, and processing system
02/06/2013CN202721498U Micro grid coordination controller based on PCC platform
02/06/2013CN202721453U Railway wind power grid-connection power generation system
02/06/2013CN202721452U Switchable reverse-power protection system used for grid-connected photovoltaic power generation
02/06/2013CN202721451U Apparatus for suppressing excitation surge current by using chopper control
02/06/2013CN202721450U Fully controllable energy feedback device
02/06/2013CN202721449U Three-phase load unbalance automatic adjustment device
02/06/2013CN202721448U SVG controller
02/06/2013CN202721447U Simple trigger circuit suitable for high-voltage TSC valve bank
02/06/2013CN202721446U Drawer type active filter compensation module
02/06/2013CN202721445U Intelligent reactive power compensation integrated module
02/06/2013CN202721444U High-power auxiliary filtering cabinet used in locomotive
02/06/2013CN202721443U An electric power quality controller
02/06/2013CN202721011U Magnetic valve type electric reactor provided with wireless monitoring system
02/06/2013CN102918760A Power converter for a power generator
02/06/2013CN102918736A Onboard floating drilling installation and method for operating an onboard floating drilling installation
02/06/2013CN102918735A Electricity supply system
02/06/2013CN102918734A Method and apparatus for improving power generation in a thermal power plant
02/06/2013CN102918733A Method and system for adapting a production flow schedule for a production process
02/06/2013CN102918729A Module assembly for the application-specific construction of power factor correction systems, filter systems, and absorption circuit systems
02/06/2013CN102916491A Method and system for displaying operation allowances of power grid
02/06/2013CN102916449A Active and reactive coordination control method for cluster wind power plant based on power balance theory
02/06/2013CN102916448A Honeycomb intelligent centralized control distributed multi-energy resource power generation system
02/06/2013CN102916447A Photovoltaic grid-connected power generation and supply device
02/06/2013CN102916446A Electric control system of asynchronous wind generating set
02/06/2013CN102916445A Single-phase grid-connected photovoltaic power generating device capable of inhibiting common mode current
02/06/2013CN102916444A Z-source type grid-connected inverter with double switches
02/06/2013CN102916443A Method for improving low-voltage traversing capacity of doubly-fed wind turbine generator set by calculating crow-bar resistance value in real time
02/06/2013CN102916442A Building photovoltaic grid-connected system
02/06/2013CN102916441A Segmentation control method for low-voltage ride-through of doubly-fed motor during symmetric drop of network voltage
02/06/2013CN102916440A Battery energy storage system based power conversion system and control method thereof
02/06/2013CN102916439A Power system oscillation source positioning method based on side bus measurement of generator
02/06/2013CN102916438A Photovoltaic power generation control system and photovoltaic power generation control method based on three-level inverter
02/06/2013CN102916437A Soft grid connection method of grid-connected converter
02/06/2013CN102916436A Transient analysis method and system of high-voltage direct-current transmission
02/06/2013CN102916435A Battery energy-storage power conversion system containing Z source network and control method therefor
02/06/2013CN102916434A Optimal configuration and control method for reactive compensation of photovoltaic power station on basis of reactive power consumption
02/06/2013CN102916433A Method for allocating reactive power tasks of draught fan group
02/06/2013CN102916432A Low-voltage reactive power compensation controller
02/06/2013CN102916431A Assisted decision making method for load transfer in regional power grid
02/06/2013CN102916430A Harmonic compensation method of parallel active power filter aiming at capacitive load
02/06/2013CN102916429A Multi-objective optimization method for hybrid active power filter
02/06/2013CN102916428A Direct power control method of active-filtering and reactive power-compensating device
02/06/2013CN102916427A Method for calculating integrated three-phase imbalance degree of multi-circuit transmission lines
02/06/2013CN102916426A Method for grouping small-interference steady generator sets based on data clustering, and system thereof
02/06/2013CN102916425A Control method for improving system transient stability based on reactive power and voltage regulation
02/06/2013CN102916408A Fault handling method for distribution network including distributed power source
02/06/2013CN102916392A Out-of-step protection method for grid-connected system containing inverter-based distributed generation
02/06/2013CN102915396A Method for computing wind power bearing capability of power grid
02/06/2013CN102910090A Combined intelligent power supply system for urban rail buses
02/06/2013CN102157932B Method for realizing transient stability domain visualization of power system
02/06/2013CN102118036B Moving die test method by use of restraint subsynchronous resonance (SSR) device