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)
10/2013
10/09/2013CN103346708A Method for integrating grading variable frequency heavy-load soft starting and harmonic filtering of motor
10/09/2013CN103346689A Grid-connected inverter parallel system circulating current restraining method under imbalance condition of inductance
10/09/2013CN103346688A Controlling method of improving current quality of grid-connected inverter during low-load operation
10/09/2013CN103346588A Tap water flow grid-combining electricity generating device
10/09/2013CN103346587A Anti-countercurrent grid-connected photovoltaic power generation system
10/09/2013CN103346586A Switching control method for double-mode converter in three-phase microgrid
10/09/2013CN103346585A Grid-connected inverter control method based on state observer
10/09/2013CN103346584A Photovoltaic grid-connected system and power compensation method
10/09/2013CN103346583A Fixed-frequency direct-power PWM converter controlling method having rapid power response capability
10/09/2013CN103346582A Seamless switching method of flexible direct-current power transmission system station level control modes
10/09/2013CN103346581A Dynamic voltage restorer with power factor correcting function
10/09/2013CN103346580A Method for restraining subsynchronous oscillation of double-fed wind turbine generator system
10/09/2013CN103346579A Distribution network reactive power optimization closed loop control system
10/09/2013CN103346578A 智能选相开关控制器 Smart election phase switching controller
10/09/2013CN103346577A Wind power plant AVC reactive power control system and method for reducing power loss of wind power plant
10/09/2013CN103346576A Power distribution network reactive compensation node sorting method based on second-order transmission loss sensitivity matrix
10/09/2013CN103346575A Adjusting system improving power factors
10/09/2013CN103346574A Method for controlling electrified railway traction substation 55kV side static var compensator
10/09/2013CN103346573A Wind power system reactive power planning method based on golden section cloud particle swarm optimization algorithm
10/09/2013CN103346572A Reactive intelligent control method for power grid based on sensitivity and multiple Agents
10/09/2013CN103346571A Method and device for controlling microgrid adapting to power grid requirements
10/09/2013CN103346570A Solar photovoltaic power generation dynamic voltage compensator with energy storage function
10/09/2013CN103346569A Super-capacitor energy storage dynamic voltage restorer capable of achieving zero voltage compensation
10/09/2013CN103346568A Low voltage compensation method for construction in extra-long tunnel
10/09/2013CN103346567A Shunt active power filter
10/09/2013CN103346566A Compensation performance diagnosis and improvement method for passive filter
10/09/2013CN103346565A Method for identifying weak nodes of power grid based on vector digraph
10/09/2013CN103346564A Method for intelligently generating tripping sudden accident emergency plan of main transformer of transformer substation
10/09/2013CN103346563A Method for evaluating maximum permeability of distributed generation based on time scene access analysis
10/09/2013CN103346562A Multi-time scale microgrid energy control method considering demand response
10/09/2013CN103346561A Generalized driving energy analysis method for vibration coupling of large regional power grid and provincial power grids
10/09/2013CN103346560A Method for control over power grid time-space characteristics through coordination of alternating currents and direct currents
10/09/2013CN103346559A Single-domain electric system load frequency controller determination method based on whole course sliding model
10/09/2013CN103346558A Electrical power system power-angle transient-state unstability judging method based on wide area measurement system
10/09/2013CN103346557A Method for estimating local voltage stability margin
10/09/2013CN103346556A Rapid positioning method of distribution network loop
10/09/2013CN103346555A Evaluating method of supply adequacy of power transmission network load and on-line evaluating system
10/09/2013CN103345869A Kilowatt-level ship energy system test platform based on composite energy combined grid power generation
10/09/2013CN103344866A Open-circuit fault diagnosis method of current transformer of permanent-magnet direct-drive type wind power generation system
10/09/2013CN102624006B Control method for single-phase cascade type static synchronous compensator
10/09/2013CN102545262B Method for detecting island of grid-connected photovoltaic power system on basis of electric energy quality constraint
10/09/2013CN102496937B Load balance based fault recovery method applied to intelligent distribution network
10/09/2013CN102411729B Wind power prediction method based on adaptive linear logic network
10/09/2013CN102403719B Method for designing sliding mode load frequency controller of non matched indefinite power system
10/09/2013CN102394497B Microgrid coordination control system and method based on state transition
10/09/2013CN102355000B Comprehensive control method of double-fed wind power system under asymmetrical grid voltage condition
10/09/2013CN102347622B Grid-connection control method of grid-side converter of small permanent magnet direct-driven wind power system
10/09/2013CN102290802B Island detection method of AFD (active frequency drift) based on synchronous rotation coordinate system
10/09/2013CN102280889B Method for reactive power optimization of electric power system on basis of clone-particle swarm hybrid algorithm
10/09/2013CN102280878B Wind power penetration optimization evaluation method based on SCED
10/09/2013CN102255335B Grid-connected inverter PWM (Pulse Width Modulation) control method based on measured voltage modulation
10/09/2013CN102185315B Enhanced-message-service (EMS)-based method for reconstructing 110kV regional grid network
10/09/2013CN102130631B Control method for tracking maximum power point of photovoltaic grid-connected generation
10/09/2013CN102064557B Subsynchronous resonance characteristic value analysis model of multi-machine system
10/08/2013US8554388 Power intervening and management panel, system and method for a power control panel
10/08/2013US8553437 Method and control device for controlling power flow within a DC power transmission network
10/08/2013US8553433 DC voltage compensation in a multi-terminal HVDC power transmission network
10/08/2013US8553432 Power transmission method and power transmission apparatus
10/08/2013US8553374 Modular circuit configuration for switching electrical power and an adapter designed to this end
10/08/2013US8552596 Power transmitting apparatus and power transmission system
10/08/2013US8552582 Distributed solar power plant and a method of its connection to the existing power grid
10/08/2013CA2748947C Method and apparatus for controlling a hybrid power system
10/08/2013CA2713911C Panelboard enclosure with external power cutoff switch
10/08/2013CA2713818C Panelboard enclosure with installable panelboard assembly
10/03/2013WO2013149076A1 Frequency responsive charging system and method
10/03/2013WO2013149005A1 Improving power factor
10/03/2013WO2013147545A1 Electricity storage apparatus for controlling power consumption and method therefor
10/03/2013WO2013147544A1 Apparatus and method for collecting power from distributed power supply resources
10/03/2013WO2013146773A1 Power supply system
10/03/2013WO2013145658A1 Charging/discharging control apparatus, power storage system, and charging/discharging control method
10/03/2013WO2013145565A1 Power management device and power management system
10/03/2013WO2013145525A1 Energy management device, energy management system, and storage medium for storing program
10/03/2013WO2013145364A1 Air-conditioning control system and air-conditioning control method
10/03/2013WO2013145206A1 Power conversion system
10/03/2013WO2013145205A1 Power conversion system
10/03/2013WO2013145178A1 Power supply system
10/03/2013WO2013145079A1 Power conversion device
10/03/2013WO2013144756A2 Methods and apparatus for operating a lighting network according to energy demand and energy supply
10/03/2013WO2013144305A1 Improvement for islanding detection reliability in electricity distribution network
10/03/2013WO2013143165A1 Method for realizing energy storage of power grid
10/03/2013WO2013116085A3 Methods and systems for requesting compliance with a requirement over a network
10/03/2013WO2013071321A3 Method for regulating power streams
10/03/2013WO2013033796A3 Household appliance, system and method of controling houseshold appliances
10/03/2013US20130258724 High voltage direct current system
10/03/2013US20130257166 Method, Apparatus and System for Suppressing Low Frequency Oscillation in Power System
10/03/2013US20130257164 Renewable Energy Power Generation Systems
10/03/2013US20130257163 System and method for controlling solar power conversion systems
10/03/2013US20130257159 Method and system for fast switching backup power supply in multiple power source
10/03/2013US20130257153 Power distribution system and method of distributing power
10/02/2013EP2645532A1 An intelligent electronic control and communications interface module for a thermal or electrical energy storage module grid, and methods for stored thermal or electrical energy and thermal or electrical energy storage capacity trading.
10/02/2013EP2645530A1 Method for controlling a wind farm, wind farm controller, wind farm, computer-readable medium and program element
10/02/2013EP2645522A1 A battery storage device for distributed hybrid powered smart grid system and control method thereof
10/02/2013EP2645519A2 System and method for controlling solar power conversion systems
10/02/2013EP2645518A2 Relay welding detector of battery system and battery system which uses the detector
10/02/2013EP2645517A1 Improvement for islanding detection reliability in electricity distribution network
10/02/2013EP2645516A1 Islanding detection in electricity distribution network
10/02/2013EP2645515A2 Battery system
10/02/2013EP2645514A1 Method and apparatus for controlling battery chargers
10/02/2013EP2643930A2 Circuit arrangements for electronically controlled dc networks
10/02/2013EP2643915A2 Energy supply network for an aircraft or spacecraft, method for supplying electrical loads with energy, and aircraft or spacecraft
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