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)
10/2012
10/17/2012CN102738825A Novel photovoltaic grid-connected system based on modularized multi-level converter
10/17/2012CN102738824A Reconfigurable power converters, systems and plants
10/17/2012CN102738823A Reconfigurable power systems and converters
10/17/2012CN102738822A A grid tied inverter, system and method
10/17/2012CN102738821A A grid tied inverter, system and method
10/17/2012CN102738820A Power transmission system for improving transmission capability of alternating-current circuit through using voltage source current converting technology
10/17/2012CN102738819A Power transmission system for improving transmission capability of alternating-current circuit through using mixed current converting technology
10/17/2012CN102738818A Control method and control system of direct current transmission
10/17/2012CN102738817A Method for carrying out self-adaptive smoothing treatment on wind power by battery energy storage system
10/17/2012CN102738816A Bus load predicting method under photovoltaic distributed power source
10/17/2012CN102738815A System and method for managing energy-storage equipment system
10/17/2012CN102738814A Electric power adjusting apparatus
10/17/2012CN102738813A Voltage control method in power system with non-effectively earthed neutral
10/17/2012CN102738812A Indirect torque control cage type rotor brushless double-fed motor reactive power control method
10/17/2012CN102738811A Active power factor correction circuit
10/17/2012CN102738810A Traction power supply system and method
10/17/2012CN102738809A Optimized control method for wind power field reactive power compensation capacity considering wind power distribution rule
10/17/2012CN102738808A City and county integrated automatic voltage reactive power control (AVC) system
10/17/2012CN102738807A All-station reactive optimal control method for intensively integrating wind farms into public transformer substation
10/17/2012CN102738806A Intelligent capacitor switching device based on wireless data transmission networking
10/17/2012CN102738805A SUBZPQ automatic-balancing active optimal compensating device
10/17/2012CN102738804A Voltage reactive power optimization and compensation method for substation power supply area
10/17/2012CN102738803A Voltage-reactive power optimization compensating method for power supply area of 10kV or 20kV line
10/17/2012CN102738802A Single AD multichannel sampling control algorithm for line reactive power compensation device
10/17/2012CN102738801A Power demand responding method and system
10/17/2012CN102738800A Prefecture-county integrated automatic voltage control method
10/17/2012CN102738799A Systems and methods for forecasting electrical load
10/17/2012CN102738798A Harmonic oscillation suppression method and device for power grid
10/17/2012CN102738797A Double-DSP (Digital Signal Processor) circuit for intelligent filtering device
10/17/2012CN102738796A Power distribution system for filtering device based on redundancy theory
10/17/2012CN102738795A Control device based on multiple parallelly operating active power filters
10/17/2012CN102738794A Seidel-type recursion bayesian method and application thereof to state estimation
10/17/2012CN102738793A Electric system wide area dynamical control method and system for compensating distributive communication time delay
10/17/2012CN102738792A Wind power predicting method
10/17/2012CN102738791A On-line static security analysis method based on topological comparison
10/17/2012CN102738790A Method for calculating positive sequence, negative sequence and zero sequence components of current in power system
10/17/2012CN102738789A Economical dispatch control system for cascade power station
10/17/2012CN102738788A Positioner
10/17/2012CN102738787A Device for implementing voltage juxtaposition on secondary circuit of electronic voltage transformer
10/17/2012CN102738786A Micro-grid control method capable of significantly improving electric energy quality of micro-grid
10/17/2012CN102737874A High-voltage capacitor cabinet
10/17/2012CN102734069A Combined wind driven generator
10/17/2012CN102159003B Solar energy and wind energy integrated highly-intelligent control method and system
10/17/2012CN102110990B Wind power generation system based on reverse loose matrix converter and method thereof
10/17/2012CN102097808B Method for estimating reliability of electric distribution system containing distributive wind power, photovoltaic and energy storage devices
10/17/2012CN102005768B Intelligent drawer type reactive compensation device with compensation function and special shipping car
10/17/2012CN101969209B Methane household intelligent power generation method
10/17/2012CN101969202B Method for recognizing transmission section power limit interval of power system transient stability
10/17/2012CN101882798B LVRT test control device
10/17/2012CN101826723B Power grid voltage comprehensive control system
10/17/2012CN101807795B Method for forming electric energy metering simulation system and device thereof
10/17/2012CN101770445B Multiple linear regression calculating method of reactive compensation capacity of substation
10/17/2012CN101193769B Electric power supply system
10/16/2012CA2503583C Method and apparatus for control of an electric power system in response to circuit abnormalities
10/11/2012WO2012138835A2 Photovoltaic power converters
10/11/2012WO2012138340A1 Systems and methods for determining a power phase and/or a phase rotation
10/11/2012WO2012137516A1 Distributed power generation device and method for operating same
10/11/2012WO2012137304A1 Remote monitor/control method and system therefor
10/11/2012WO2012137178A2 Power-supply system for railway signalling devices
10/11/2012WO2012137104A1 Device and method for adjusting electricity consumption of a plurality of lighting devices of a lighting system
10/11/2012WO2012137097A1 Controlling device and method for controlling power consumption in a system of power consuming devices
10/11/2012WO2012136843A1 Optimized load management
10/11/2012WO2012136836A1 Optimized load management
10/11/2012WO2012136814A1 Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
10/11/2012WO2012136809A1 Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
10/11/2012WO2012136727A1 Power switchgear cabinet of a device for producing electric energy
10/11/2012WO2012136726A1 Switchgear cabinet arrangement of a device for producing electric energy
10/11/2012WO2012136524A1 Control unit and method for current-quality-based energy consumption regulation
10/11/2012WO2012136346A1 Electric energy distribution system for a building
10/11/2012WO2012136252A1 Modular multilevel converter with cell - connected battery storages
10/11/2012WO2012048798A3 Circuit arrangement for operating a load having a reactive characteristic
10/11/2012WO2012047326A3 Thermal energy storage apparatus, controllers and thermal energy storage control methods
10/11/2012WO2012019785A3 Arrangement for generating a control signal for controlling a power output of a power generation system
10/11/2012US20120256490 Integrated Expandable Grid-Ready Solar Electrical Generator
10/11/2012US20120256487 Charge/Discharge System
10/11/2012US20120256484 Computer adapter with power outlet and replaceable and rechargeable battery, wireless card, and transceiver
10/11/2012DE102011006770A1 Steuergerät und Verfahren zur stromgüterbasierten Energieverbrauchsregelung Control apparatus and method for current goods based power regulator
10/11/2012DE102011006763A1 Power supply device has power supply branches with parallel-switched power source blocks which are provided with power supply cell switched with respect to power supply branches by switch
10/11/2012DE102011006762A1 Batteriedirektumrichter in Ringkonfiguration Batteriedirektumrichter in ring configuration
10/11/2012DE102011006755A1 System for performing voltage conversion for photovoltaic modules, has multiple parallel switched power supply branches connected to phase connectors, where each power supply branch comprises power supply module connected in series
10/11/2012CA2832277A1 Drive train comprising a doubly-fed electric machine and an inverter controlled subject to a law limiting the delivered active power
10/11/2012CA2832268A1 Drive train comprising a doubly fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
10/10/2012EP2509191A1 Control system, correction apparatus, and power control method
10/10/2012EP2509190A1 Control device, control system, and control method
10/10/2012EP2509183A1 Grid connection apparatus
10/10/2012EP2509182A2 Power control method and device
10/10/2012EP2509181A1 Methods and systems for distributing solar energy charging capacity to a plurality of electric vehicles
10/10/2012EP2509180A1 Control apparatus and control method
10/10/2012CN202488396U Magnetic valve controllable reactor control system
10/10/2012CN202488385U Three-phase AC high power motor soft-starting compensation device
10/10/2012CN202488382U Solar photovoltaic power station of application model
10/10/2012CN202488371U Phase shift cascade twelve-pulse controllable rectifying device
10/10/2012CN202488369U Energy-feedback traction power unit
10/10/2012CN202488359U Matrix AC-AC (Alternate Current to Alternate Current) high voltage frequency converter topological structure
10/10/2012CN202488153U Grid-connected device for solar power generation
10/10/2012CN202488152U Multi-channel direct current (DC) input photovoltaic grid-connected inverter bus voltage self-adaptation control device
10/10/2012CN202488151U Intelligent power capacitor
10/10/2012CN202488150U Three-phase-integrated power quality control device with by-pass switch
10/10/2012CN202488149U Surgeless capacitor switching and protecting device
10/10/2012CN202488148U Low voltage intelligent reactive power compensation device
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