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)
12/2010
12/29/2010CN101572417B Maximum power tracking control method for monopole three-phase photovoltaic grid-connected system
12/29/2010CN101510685B Distributed intelligent control system based on biology immunity principle
12/29/2010CN101447671B Automatic integrating and adjusting method for flow data
12/29/2010CN101383576B Method for large-sized wind-driven generator group to get through low voltage failure of electric network
12/29/2010CN101346869B Thyristor operated series capacitor module
12/29/2010CN101341642B High voltage DC system
12/29/2010CN101212140B Automatic power factor compensator
12/29/2010CA2766807A1 Power distribution apparatus with input and output power sensing and method of use
12/29/2010CA2763454A1 High energy density flywheel
12/28/2010US7860615 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities
12/28/2010US7859232 Apparatus and method for improved power flow control in a high voltage network
12/28/2010US7859134 Self-configurable multi-regulator ASIC core power delivery
12/28/2010US7859130 Device for supplying power to equipment with varying requirements for the power supply
12/23/2010WO2010148181A2 Dynamically controlling configuration of a power grid comprising one or more stand-alone sub-grids
12/23/2010WO2010147949A2 Supplying grid ancillary services using controllable loads
12/23/2010WO2010147420A2 Maximum power tacking device using orthogonal-perturbation signal and maximum power tracking control method thereof
12/23/2010WO2010146024A2 Controlling an inverter device for supporting an ac system
12/23/2010WO2010145708A1 An arrangement for exchanging power
12/23/2010WO2010145706A1 An arrangement for exchanging power
12/23/2010WO2010145705A1 Converter
12/23/2010WO2010145684A1 An arrangement for protecting equipment of a power system
12/23/2010WO2010145021A1 Energy storage system and method
12/23/2010WO2010091786A3 Photovoltaic system for feeding three-phase current to a power grid
12/23/2010WO2009146723A3 Method for operating a modular automation device
12/23/2010US20100321588 Av system, power feeding apparatus and power receiving apparatus
12/23/2010US20100320949 Multi Output Inverter
12/23/2010US20100320846 Apparatus and method for reducing power consumption of electronic product
12/23/2010US20100320842 Startup source inverter
12/23/2010US20100320838 Dynamically controlling configuration of a power grid comprising one or more stand-alone sub-grids
12/23/2010US20100320837 Electrical energy and distribution system
12/23/2010DE102009026936A1 Vorrichtung zum Anschluss an ein elektrisches Energieversorgungsnetz und Transportsystem A device for connection to an electrical power supply network and transport system
12/23/2010DE102009024979A1 Electrical load has external or internal controlling device, which is implemented as receiver for radio waves, particularly short, central and long wave, or electromagnetic waves of certain frequency
12/23/2010CA2765464A1 Controlling an inverter device for supporting an ac system
12/23/2010CA2763943A1 An arrangement for exchanging power
12/23/2010CA2763930A1 An arrangement for exchanging power
12/23/2010CA2763457A1 Energy storage system and method
12/22/2010EP2264967A1 Inter-bay substation automation application
12/22/2010EP2174397B1 Estimating a time offset between stationary clocks
12/22/2010EP1461862B1 Active termination circuit and method for controlling the impedance of external integrated circuit terminals
12/22/2010CN201682294U Three-phase photovoltaic grid-connected inverter based on Z sources
12/22/2010CN201682293U Filtering device for photovoltaic inverter
12/22/2010CN201682292U Chopping device based on low-voltage ride-through
12/22/2010CN201682291U Grid-connected wind power generation switching system
12/22/2010CN201682290U Synchronous switching switch of intelligent power capacitor
12/22/2010CN201682289U Intelligent reactive power compensation device
12/22/2010CN201682288U Mining explosion-proof type dynamic reactive power compensation and harmonic treatment device
12/22/2010CN201682287U High voltage solid state compound switch valve based electronic device
12/22/2010CN201682286U Control circuit of mono-crystal furnace filtering compensation tank
12/22/2010CN201682285U Harmonic filter circuit of single crystal furnace
12/22/2010CN201682284U Mono-crystal furnace filtering compensation circuit
12/22/2010CN201682283U Harmonic filtering and compensating device for single crystal furnace
12/22/2010CN201682282U Alternating current charging post
12/22/2010CN201682281U Intelligent duplex magnetic control power saving device
12/22/2010CN201682272U Filter capacitor monitoring protection device
12/22/2010CN201682259U Intelligent integrated circuit with functions of leakage protection and reactive power compensation
12/22/2010CN201679630U Distributed-type wind power generation parallel-network apparatus
12/22/2010CN101924537A Merging unit synchronizing method and system based on power grid cyclic wave
12/22/2010CN101924513A System for adjusting backward generating operation power of water pump in pump station
12/22/2010CN101924512A Excitation control device of synchronous generator for ships
12/22/2010CN101924508A Variable-frequency speed regulating system for starting high-power pumped storage unit
12/22/2010CN101924487A Voltage control method of three-phase inverter in distributed generation system
12/22/2010CN101924476A Single-phase alternating current converter of intermediate alternating current voltage
12/22/2010CN101924393A Method and system for estimating load model parameters of electric system on line
12/22/2010CN101924376A Solar power grid-connection control system
12/22/2010CN101924375A Power operation system, power operation method, photovoltaic power generator and controller
12/22/2010CN101924374A System and method for operating a wind turbine power converter
12/22/2010CN101924373A Instantaneous power-down rebooting method for grid of high-voltage frequency converter
12/22/2010CN101924372A Energy storage control system
12/22/2010CN101924371A Mixed power quality treatment method
12/22/2010CN101924370A Mixed type power quality controlling device
12/22/2010CN101924369A Dynamic reactive power compensation method of intelligent low-pressure meter reading
12/22/2010CN101924368A Active power filter device and control method thereof
12/22/2010CN101924367A High-power intelligent harmonic and reactive current generating device based on IGBT
12/22/2010CN101924366A Distributed active filter
12/22/2010CN101924365A Dynamic harmonic suppression and reactive power compensation control system and control method thereof
12/22/2010CN101924364A Method for estimating nonlinear state of substation-dispatching center two-stage distributed power grid
12/21/2010CA2593903C Using dc transmission system for improving ac transmission stability, dispatch capability and power flow control
12/21/2010CA2564625C Method and apparatus for parallel loadflow computation for electrical power system
12/16/2010WO2010144584A2 Interconnection switching system and method for connecting a distributed energy resource to an electrical power system
12/16/2010WO2010143581A1 Utility interconnection system
12/16/2010WO2010142340A1 Improved control of a power transmission system
12/16/2010US20100315738 Motor control device and disk drive device
12/16/2010US20100314949 Load condition controlled power strip
12/16/2010US20100314942 Supplying grid ancillary services using controllable loads
12/16/2010US20100314940 Energy-saving electrical power system
12/16/2010US20100314872 Methods and systems for operating a wind turbine power converter
12/16/2010DE102010030093A1 Device for controlling exchange of electrical energy between supply network and e.g. electric vehicle, has detection unit, where exchange of electrical energy between network and system is controlled using network condition data
12/16/2010DE102010013961A1 Effiziente Systeme und Verfahren für den Verbrauch und die Bereitstellung von Energie Efficient systems and procedures for the consumption and supply of energy
12/16/2010DE102009025114A1 Device for controlling power supply of electric consumers connected with power supply over socket, has switchable outlet with switching condition connected with power supply
12/16/2010DE102009024721A1 Local charging station for charging storage battery of e.g. electrical passenger car, has plug-in module provided for power connector, where power is supplied from station via existing supply points of public infrastructures
12/16/2010DE102009024357A1 Industrial system for electrical energy supply of e.g. loads, has power supply device designed without using brake unit so that energy is stored for recovery of energy nor interrupted for non-utilization in controlled manner
12/16/2010CA2763497A1 Improved control of a power transmission system
12/15/2010EP2262093A1 DC-AC converter, in particular for providing power supply from a solar panel to a mains power supply
12/15/2010EP2262077A2 Power operation system, power operation method, photovoltaic power generator and controller
12/15/2010EP2262076A2 Power system stabilization system and method employing a rechargeable battery system
12/15/2010EP2260573A1 Improved voltage and current control method applied to a control apparatus for a device for the production of electrical energy
12/15/2010EP2260560A2 Method for managing electrical network
12/15/2010EP2260559A2 Electrical network
12/15/2010EP2260428A1 Energy supply system with a protected solar module
12/15/2010CN201674461U Electric automobile motor control circuit with charging function
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