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)
10/2008
10/15/2008EP1980005A1 Harmonic absorber
10/15/2008EP1980004A2 Method and device for providing a supply voltage by means of generator units connected in parallel
10/15/2008CN201134681Y Secondary low-voltage compensating equipment of electric-arc steel furnace or fining furnace
10/15/2008CN201134680Y Intelligent low-voltage reactive power autocompensating controller
10/15/2008CN201134679Y Intelligent reactive power autocompensating screen
10/15/2008CN201134678Y Intelligent switching device of capacitor group in electric network
10/15/2008CN201134677Y Secondary low voltage compensating apparatus for ore-smelting furnace
10/15/2008CN201134676Y Secondary low voltage compensating apparatus for ore-smelting furnace
10/15/2008CN201134675Y Bidirectional energy feedback series type active filter
10/15/2008CN201134674Y Apparatus for filtering high-voltage side network harmonic by low-voltage active filter
10/15/2008CN201134673Y 一种谐波保护器 Harmonic Protector
10/15/2008CN201134672Y Tunable low-voltage electric filtering branch circuit based on major-minor electric power capacitor
10/15/2008CN201134661Y Microcomputer measuring, controlling and protecting equipment for electrical power system
10/15/2008CN201134619Y Loop-closed electricity switching device for 10KV distributing network
10/15/2008CN201134340Y Single-phase four-line active filtering device for smelting transformer
10/15/2008CN201134339Y Smelting transformer
10/15/2008CN201133577Y Power factor compensation device possessing LED lighting lamp
10/15/2008CN101288089A Load prediction based on-line and off-line training of neural networks
10/15/2008CN101286723A Control method for parellel reactor with ultra-high/extra-high voltage magnetic control type
10/15/2008CN101286643A Wind power field energy management system having power grid access control function
10/15/2008CN101286642A Reactive power compensation device of capacitor for 10kV bus in transforming plant with voltage gradation over 35kV
10/15/2008CN101286641A Reactive and grouped compensation device for capacitor
10/15/2008CN101286640A Reactive power compensation device for capacitor
10/15/2008CN101286639A Continuously adjustable reactive power compensator with low cost
10/15/2008CN101285453A Super highly effective hollow direct drive generating plant possessing anti-gravity magnetic suspension bearing
10/15/2008CN100426667C Electromagnetic interference eliminator for power system automation apparatus
10/15/2008CN100426623C Uninterruptible power supply
10/10/2008CA2628640A1 Energy management system and method
10/09/2008WO2008121045A1 A device and a method for supplying power to a critical load
10/09/2008WO2008119516A2 Hybrid device with biogas installation
10/09/2008WO2008057713A3 Systems, methods and apparatus for a mobile imaging system equipped with fuel cells
10/09/2008US20080246449 Feed controller
10/09/2008US20080246336 Current Fed Inverter with Pulse Regulator for Electric Induction Heating, Melting and Stirring
10/08/2008EP1977496A1 A converter station and a method for control thereof
10/08/2008EP1977172A2 Air conditioner and control method thereof
10/08/2008CN201130861Y Intelligent integration power condenser
10/08/2008CN201130860Y Built-in converting station multi-cycle dynamic electric energy quality on-line analysis apparatus
10/08/2008CN101282043A Novel electric power filter
10/08/2008CN101282042A Impedance frequency eqmivalent value novel method for designing AC filter
10/08/2008CN101282041A Method for estimating and optimizing dynamic safety risk of power transmission system based on practical dynamic safety field
10/08/2008CN101282040A Method for real time sorting non-intrusion type electric load
10/08/2008CN101282039A Method of polymerization of induction motor load dynamic parameter taking account of slip and load factor
10/08/2008CN101281637A Electric power system optimizing swim and real time pricing method based on hyperplane form safety field periphery
10/07/2008USRE40528 Voltage fluctuation compensating apparatus
10/07/2008US7433212 System linking apparatus for generated electric power
10/07/2008US7432691 Method and apparatus for controlling power drawn from an energy converter
10/07/2008US7432614 Single-inductor multiple-output switching converters in PCCM with freewheel switching
10/07/2008US7432611 Power control interface between a wind farm and a power transmission system
10/07/2008US7432609 Exhaust gas-driven generator system and method of controlling electrical system
10/02/2008WO2008118306A1 Automated system approach to analyzing harmonic distortion in an electric power system
10/02/2008WO2008117392A1 Power system
10/02/2008WO2008116929A2 Damping multiple modes of electromagnetic oscillations in power distribution systems
10/02/2008WO2008097591A3 Multi-source, multi-load systems with a power extractor
10/02/2008US20080238202 Integrated electrical power extraction for aircraft engines
10/02/2008US20080238197 Multi-module current sharing scheme
10/02/2008US20080238196 Energy recycle system for use with ac current power supply
10/02/2008US20080238195 Distributed maximum power point tracking system, structure and process
10/02/2008DE112006003499T5 Schaltkreis zum Übertragen einer verstärkten Schwingleistung an eine Last Circuit for transmitting an amplified resonant power to a load
10/01/2008EP1974454A1 A transmission system and a method for control thereof
10/01/2008EP1974433A1 A converter
10/01/2008EP1974432A1 A converter station
10/01/2008EP1974431A2 A converter station
10/01/2008EP1974430A1 A transmission system
10/01/2008EP1974429A1 A converter station
10/01/2008CN201126964Y Balance energy-saving apparatus for feeding energy-consumption system
10/01/2008CN101278457A Induction regulator for controlling energy flow used in alternating current transmission network, and method for controlling the network
10/01/2008CN101278456A Induction regulator for controlling power load flow used in alternating current transmission network
10/01/2008CN101278453A Wind mill power flow control with dump load and power converter
10/01/2008CN101277018A Hyposynchronous damp controller for generating set
10/01/2008CN101277017A Method for regulating static reactive compensator of power transmission system
10/01/2008CN101277016A Active electric filter device as well as control method
10/01/2008CN101277015A Method and system for synthetic energy conservation of city power distribution network
10/01/2008CN101277014A Method for selecting wind power generation access system plan
10/01/2008CN101276455A Evaluation system for amount of emission gases through fuel supply chain
10/01/2008CN101275236A Apparatus to reduce the cost of renewable hydrogen fuel generation by electrolysis using combined solar and grid power
10/01/2008CN100423418C Current-compensated choke and circuit arrangement comprising the current-compensated choke
10/01/2008CN100423398C Ac power supply device
10/01/2008CN100423397C Method for compensating coil drop induction voltage and contact arc-suppression for three-phase voltage regulator
10/01/2008CN100423396C Dyamic series voltage compensator with current sharing static switch
09/2008
09/30/2008US7430545 Power supply/demand control system
09/30/2008CA2625448A1 A self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers
09/25/2008WO2008113969A1 Electricity network monitoring
09/25/2008WO2008113307A1 Control device for rectifier stations in a high-voltage dc transmission system
09/25/2008US20080234871 Generation Facility Management System
09/25/2008US20080231252 Sag-Swell and Outage Generator for Performance Test of Custom Power Devices
09/25/2008US20080231251 Method for Operational Amplifier Sharing Between Channels with Algorithmic Channel Selection
09/25/2008US20080231241 Transformers
09/25/2008US20080231117 Power management topologies
09/25/2008US20080231114 System and Method for Adaptive Islanding for Stored/Distributed Energy Devices
09/25/2008DE112006003313T5 Wandler zum Rückgewinnen elektrischer Energie Converter for recovering electrical energy
09/25/2008DE102007013345A1 Energieregelvorrichtung für ein Flugzeug Energy control device for an aircraft
09/24/2008EP1973213A1 Validating a standardized configuration description
09/24/2008CN201122929Y Intelligent static-state soft phase advancer
09/24/2008CN201122899Y Energy feedback and harmonic reactive-load compensation system suitable for multi-group commutating device
09/24/2008CN201122898Y Energy feedback and harmonic wave reactive compensator suitable for commutating device
09/24/2008CN201122860Y Solar power supply for guard house and monitoring
09/24/2008CN201122847Y Three-phase load automatic equalization device of power distribution network
09/24/2008CN201122846Y Domestic electricity saving means
09/24/2008CN201122845Y Load-ratio voltage transformer type capacitor dynamic compensating device
09/24/2008CN201122844Y Intelligent low-voltage network reactive compensator
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