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)
12/2013
12/04/2013CN103427415A Three-phase combined same-phase power supply and transformation structure
12/04/2013CN103427414A Parameter design method of symmetrical controllable phase shifter
12/04/2013CN103427413A Information processing system and method
12/04/2013CN103427386A Setting method of main loop of dual 6 ripple ice melting device
12/04/2013CN103419679A V-v wiring same-phase power supply and transformation structure
12/04/2013CN102609576B Power system transient stability simulating method based on estimation-correction numerical integration
12/04/2013CN102609575B Power system transient stability simulating method based on implicit numerical integration
12/04/2013CN102606309B Novel compressed air energy storage system
12/04/2013CN102570476B Repetitive-control-based method for controlling compensation current of DSTATCOM (Distribution Static Synchronous Compensator)
12/04/2013CN102570448B Power system grouping and stability margin evaluation system and power system grouping and stability margin evaluation method based on wide area measurement system (WAMS)
12/04/2013CN102545245B Method for positioning oscillating source of power system on basis of energy supplied to port
12/04/2013CN102510102B Combined cold and power dispatching system comprising gas combined cycle unit and dispatching method thereof
12/04/2013CN102496955B Intelligent photovoltaic system and method for data detection and transmission
12/04/2013CN102332727B Method for outputting active power by using smoothing permanent-magnet direct-driving wind power generating system of direct-current-side flywheel energy storage unit
12/04/2013CN102324745B Control device of hybrid type active power dynamic filter in intelligent power grid
12/04/2013CN102197562B Device for feeding a consumer network with the electric power of a supply network
12/04/2013CN102044885B System and method for decreasing solar collector system losses
12/04/2013CN101621207B Wind turbine with parallel converters utilizing a plurality of isolated transformer windings
12/03/2013US8600575 Apparatus and method for collecting and distributing power usage data from rack power distribution units (RPDUs) using a wireless sensor network
12/03/2013US8599583 AC power supply circuit with filter capacitor between output terminals thereof
12/03/2013US8598742 Server and method for detecting work state of power transformers
12/03/2013US8598739 Electric railway power-supply system
12/03/2013US8598738 Power assist device
12/03/2013US8598737 Synchronous switching power supply
12/03/2013US8598736 Input circuit for alternating current signal, and motor starter including the same
12/03/2013CA2701427C Micro-controller-based electronic switch using a proximity detector to facilitate hands-free control of an ac device
12/03/2013CA2573005C Method for regulating a converter connected to a dc voltage source
12/01/2013CA2817496A1 Apparatus and methods for electricity generation from exhaust of condenser of hvac system
11/2013
11/28/2013WO2013177532A1 Thermal protection of synchronous compensators under continuous active power|generation
11/28/2013WO2013175772A1 In-vehicle power supply device and photovoltaic power generation device
11/28/2013WO2013175620A1 Power conversion device
11/28/2013WO2013175612A1 Power supply system
11/28/2013WO2013175061A1 Power connection between shore and ship
11/28/2013WO2013174966A2 Hybrid electric generation plant fed by sources of a fossil/solar origin
11/28/2013WO2013174903A1 Determining a string configuration in a multistring-inverter
11/28/2013WO2013174726A1 Method of fault clearance
11/28/2013WO2013174146A1 Optimized evaluation method for wind power output power under multi-constraint condition for reducing transmission loss
11/28/2013WO2013174145A1 Large-scale wind power grid-integration reactive voltage optimization method based on improved artificial fish swarm hybrid optimization algorithm
11/28/2013WO2013174090A1 Wind farm active power controlling method for improving the generating efficiency of the wind farm
11/28/2013WO2013173879A1 Alternating current (ac) power flow analysis in an electrical power network
11/28/2013WO2013144756A3 Methods and apparatus for operating a lighting network according to energy demand and energy supply
11/28/2013WO2013108004A3 Domestic power controller
11/28/2013US20130314073 Energy Consumption Monitoring System, Method, and Computer Program
11/28/2013US20130314057 Device and method for limiting an electrical current
11/28/2013US20130313901 Electrical power supply system having internal fault protection
11/28/2013US20130313899 Power strip and power measurement method
11/28/2013DE102012010505A1 Method for detecting unintended island formation in alternating current network, involves detecting unintended island formation based on variation of idle current at intervals and change in period length of alternating voltage
11/28/2013DE102012010219A1 Energy transmission device for use in e.g. machine tool for processing objects in industry, has electric energy supply device and electric energy extraction device spaced apart from each other along band-shaped element
11/28/2013DE102012010115A1 Circuitry for regulating and/or controlling alternating current (AC) voltage in AC power supply networks, has switching elements that are provided to connect secondary side of control transformer to primary side of control transformer
11/27/2013EP2667477A1 Distributed power generation system and method for controlling distributed power generation system
11/27/2013EP2667476A1 Photovoltaic power generation system and power feeding system
11/27/2013EP2667475A1 Device and method for changing a power consumption profile of at least one person in a house or in a dwelling unit with a distribution network
11/27/2013EP2667474A2 Information processing apparatus, method for processing information, and information processing system
11/27/2013EP2667473A1 On-demand power control system, on-demand power control system program, and computer-readable recording medium recorded with said program
11/27/2013EP2667472A1 Power demand regulation apparatus, power regulation network system, and power regulation method
11/27/2013EP2666956A1 A modular electric system located under water
11/27/2013EP2666223A1 Operating wind turbines under converter faults
11/27/2013EP2666222A1 Solar photovoltaic systems
11/27/2013EP2666221A1 A high voltage dc power source and a power apparatus for a high voltage electrical power system
11/27/2013EP2666220A2 Driving circuitry for led lighting with reduced total harmonic distortion
11/27/2013EP2666219A2 Photovoltaic inverter unit
11/27/2013CN203313097U Large power photovoltaic power generation system
11/27/2013CN203313095U Solar photovoltaic power generation station
11/27/2013CN203312830U Photovoltaic power station interlocking circuit
11/27/2013CN203312829U Inverter capable of smoothly switching between grid-off mode and grid-connected mode
11/27/2013CN203312828U Microgrid coordinated control system
11/27/2013CN203312827U Photovoltaic power station energy-saving circuit
11/27/2013CN203312826U Photovoltaic intelligent whole grid power generation system
11/27/2013CN203312825U Off-grid distributed power supply system
11/27/2013CN203312824U Low frequency oscillation suppression device
11/27/2013CN203312823U Self-coupling voltage regulating type reactive compensation device
11/27/2013CN203312822U Resonance electricity economizer
11/27/2013CN203312821U Dynamic and continuous reactive power compensation device of low-voltage distribution system
11/27/2013CN203312820U Straight string SVG
11/27/2013CN203312819U Low-voltage reactive power compensation case
11/27/2013CN203312818U Novel reactive compensation switching device
11/27/2013CN203312817U Low voltage reactive power compensating device
11/27/2013CN203312816U Shunt reactor compensation circuit for substation
11/27/2013CN203312815U Reactive compensation intelligent controller of oil filer belt of on-load tap-changer
11/27/2013CN203312814U Low-voltage SVG control device
11/27/2013CN203312813U Novel power quality control system with fault current limiting function
11/27/2013CN203312812U Online dynamic harmonic suppression device of electrical grid
11/27/2013CN203312811U Dynamic filtering reactive power compensation device
11/27/2013CN203312810U Intelligent electronic control device for power transmission and distribution system
11/27/2013CN203312809U Operation overvoltage treating circuit for shunt reactor
11/27/2013CN203312808U Shunt reactor compensation circuit
11/27/2013CN203312807U Power supply system of distributed power sources to AC important load in DC microgrid
11/27/2013CN203312804U Renewable energy combination electrical network system
11/27/2013CN203312005U Power-saving winding
11/27/2013CN103415974A Power control device and power control method
11/27/2013CN103415973A Power storage system and method for controlling power storage module
11/27/2013CN103414411A Method and apparatus for operating electrical machines
11/27/2013CN103414364A Single-phase grid-connection inverter
11/27/2013CN103414231A Active controlling method operated by electromobile electrical changing station V2G under power distribution network failure
11/27/2013CN103414215A Distributed power supply system
11/27/2013CN103414214A Low-voltage ride through and reactive power control system and method for asynchronous wind turbine generator
11/27/2013CN103414213A Power supply optimal configuration method for sea island type micro-grid
11/27/2013CN103414212A Distribution network system simulation method considering access of doubly-fed type wind motor
11/27/2013CN103414211A Method for detecting synchronization of distributed power supply and power grid
11/27/2013CN103414210A Photovoltaic grid-connected device based on SOPC
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