| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 04/10/2013 | CN202872644U 35 kilovolt buck converter with function of grading compensation automatic voltage regulating |
| 04/10/2013 | CN202872448U An intelligent photovoltaic power supply device |
| 04/10/2013 | CN202872389U Photovoltaic power generation controller |
| 04/10/2013 | CN202872388U Wind energy and solar energy complementary off-grid inverter |
| 04/10/2013 | CN202872387U Inverter |
| 04/10/2013 | CN202872386U Grid-connected power generation system with countercurrent-prevention device |
| 04/10/2013 | CN202872385U Energy-regenerative DC electronic load device |
| 04/10/2013 | CN202872384U Three-ring control device of single-stage photovoltaic grid-connected inversion system |
| 04/10/2013 | CN202872383U Modular multi-level wind energy converter controlled by direct power |
| 04/10/2013 | CN202872382U A high-voltage chained STATCOM and a mixed bypass system employed by the high-voltage chained STATCOM |
| 04/10/2013 | CN202872381U Static-type dynamic var generator device |
| 04/10/2013 | CN202872380U Distribution reactive compensation monitoring device |
| 04/10/2013 | CN202872379U LDB type reactive compensation controller |
| 04/10/2013 | CN202872378U Intelligent reactive power optimization low-voltage compensation device |
| 04/10/2013 | CN202872377U Voltage fine compensation circuit |
| 04/10/2013 | CN202872376U Medium-voltage adjusting and stabilizing system matching intelligent handy terminal and background analysis main station |
| 04/10/2013 | CN202872375U Self-adaptive medium-voltage adjusting and stabilizing system matching background analysis main station |
| 04/10/2013 | CN202872374U Medium-voltage self-adaptive voltage-adjusting intelligent control unit |
| 04/10/2013 | CN202872373U Self-adaptive medium voltage, voltage regulating and voltage stabilizing device capable of automatically returning shift and inversion voltage stabilization |
| 04/10/2013 | CN202872372U Novel self-adaptive voltage-adjusting device |
| 04/10/2013 | CN202872371U Energy efficiency direct monitoring device based on demand response |
| 04/10/2013 | CN202872370U 3 to 35000 KV graded compensation type automatic voltage regulating device |
| 04/10/2013 | CN202872369U Capacitive-load-focused shunt active power filter harmonic compensation circuit |
| 04/10/2013 | CN202872368U Three-phase three-wire active power filter |
| 04/10/2013 | CN202872367U Plug-in type capacitor trigger module |
| 04/10/2013 | CN202872366U Electronic power-saving protector |
| 04/10/2013 | CN202872365U Hybrid electric filter device based on third harmonic active power filter |
| 04/10/2013 | CN202872352U Transverter valve blocking device based on flexible DC power transmission system |
| 04/10/2013 | CN202872217U Combined double-door reactive power compensation box |
| 04/10/2013 | CN202872216U Novel reactive power compensation box |
| 04/10/2013 | CN202872200U Combined reactive power compensation box |
| 04/10/2013 | CN202872199U Safe reactive power compensation box |
| 04/10/2013 | CN202872118U Socket special for reactive power compensation of air conditioner |
| 04/10/2013 | CN202872116U Socket special for reactive power compensation of air conditioner |
| 04/10/2013 | CN202871541U Three-phase transformer system and power grid with the same |
| 04/10/2013 | CN202871496U Pre-magnetizing transformer with voltage regulator |
| 04/10/2013 | CN202870669U Double-way maximum power point tracking (MPPT) device |
| 04/10/2013 | CN202867008U Control system for diesel generating set |
| 04/10/2013 | CN103038978A Solar inverter for an extended insolation value range and operating method |
| 04/10/2013 | CN103038971A Method for controlling PV installations in an electrical grid |
| 04/10/2013 | CN103038970A Matrix connection device for photovoltaic panels and/or wind turbines |
| 04/10/2013 | CN103038969A 无功功率管理 Reactive power management |
| 04/10/2013 | CN103036464A Photovoltaic array topological structure, grid-connected system based on photovoltaic array topological structure and photovoltaic array control method |
| 04/10/2013 | CN103036463A High efficiency single-phase photovoltaic grid-connected inverter |
| 04/10/2013 | CN103036443A Active multichannel isolated output power supply |
| 04/10/2013 | CN103036377A Bi-rotor electromagnetism slip frequency wind power device |
| 04/10/2013 | CN103036254A Method for improving generating efficiency and producing oxygen and oxygen production system |
| 04/10/2013 | CN103036253A Control method of nuclear power plant unit frequency and control system of nuclear power plant unit frequency |
| 04/10/2013 | CN103036252A Wind power plant model checking system and method based on trace sensitivity method |
| 04/10/2013 | CN103036251A Source network coordinated scheduling method for improving wind electricity admitting ability of power grid |
| 04/10/2013 | CN103036250A Island detection and control method of distributed energy resource of safety automatic control system |
| 04/10/2013 | CN103036249A Coordination control method of wind accumulation |
| 04/10/2013 | CN103036248A Photovoltaic grid-connected inverter grid-connected electric current direct component detection circuit and control method |
| 04/10/2013 | CN103036247A Device and method for preventing inverse power in grid-connected photovoltaic power supply |
| 04/10/2013 | CN103036246A Electric energy transportation control system of high voltage transformer substation |
| 04/10/2013 | CN103036245A Novel transmission loss reducing method by alternating current or direct current (AC / DC) synergy used in interconnected network and novel transmission loss reducing system by AC / DC synergy used in interconnected network |
| 04/10/2013 | CN103036244A Power optimal distribution control method of energy storage of all-vanadium redox flow battery used in high-capacity wind power plant |
| 04/10/2013 | CN103036243A Energy storage system and controlling method of the same |
| 04/10/2013 | CN103036242A Comprehensive compensation system for Vv wiring traction substation with out-of-phase and in-phase compatibility |
| 04/10/2013 | CN103036241A Reactive compensation controller and control method thereof |
| 04/10/2013 | CN103036240A Voltage reactive power comprehensive control method of extra-high voltage transformer substation |
| 04/10/2013 | CN103036239A Systems and methods for integrating demand response with service restoration in an electric distribution system |
| 04/10/2013 | CN103036238A Control structure and method of chain-type active power filter (FAPF) linkage unit bypass |
| 04/10/2013 | CN103036237A Static synchronous compensator (STATCOM) capable of suppressing delta-type connection internal circulation |
| 04/10/2013 | CN103036236A Control method of wide frequency range multi-type harmonic comprehensive governance system |
| 04/10/2013 | CN103036235A Electric railway electricity quality comprehensive treatment method based on electricity analysis program (ETAP) |
| 04/10/2013 | CN103036234A Power distribution network anti-error optimization method |
| 04/10/2013 | CN103036233A Power auxiliary analyzing method and system containing distributed type power generation and distribution network |
| 04/10/2013 | CN103036232A Vibration-area-crossing method of automatic gain control (AGC) system for different water heads in hydroelectric plant |
| 04/10/2013 | CN103036231A Forecasting method, device, and upper computer of power load |
| 04/10/2013 | CN103036230A Dynamic equivalence method of alternating-current-direct-current serial-parallel large power system based on engineering application |
| 04/10/2013 | CN103036229A Line loss analysis method based on power distribution automation platform |
| 04/10/2013 | CN103036228A Method for determining location of transformer substation and length of power supply circuit in power system planning process |
| 04/10/2013 | CN103036227A Handling method of province-level power grid black-start and large-range power failure accidents |
| 04/10/2013 | CN103036186A Power-uninterrupted ice melting and SVG-type reactive static compensation compound device and use method thereof |
| 04/10/2013 | CN103034904A Firefly grouping method, as well as power dispatching system and power dispatching method based on same |
| 04/10/2013 | CN102361427B Variable speed constant frequency control method after grid connection of wind driven generator set |
| 04/10/2013 | CN102252531B Submerged-arc furnace controller with low-pressure reactive compensation and electrode current control |
| 04/10/2013 | CN102222919B Power system reactive power optimization method based on improved differential evolution algorithm |
| 04/10/2013 | CN102222912B Controllable harmonic generation device for test and control method thereof |
| 04/10/2013 | CN102195291B Automatically identifying control method for main transformer overload joining-cutting load based on running mode |
| 04/10/2013 | CN102187364B Amount-of-room-for-improvement calculation apparatus and method for controlling same |
| 04/10/2013 | CN102185316B Conservative principle-based power system online stability analysis section data integrating method |
| 04/10/2013 | CN102170127B Method for locating prime motor disturbance source triggering forced power oscillation |
| 04/10/2013 | CN102157959B Solar photovoltaic contravariant generating system and operation method thereof |
| 04/10/2013 | CN102136735B Device for monitoring leading phase operation stability of generator and working method thereof |
| 04/10/2013 | CN102117374B Method for calculating torsional oscillation modal damping of shaft system of generator set based on disturbance signal |
| 04/10/2013 | CN102064714B Doubly-fed wind power frequency converter |
| 04/10/2013 | CN102013678B Method for displaying full view of wind power information on dispatching automation system |
| 04/10/2013 | CN101976827B Method for identifying candidate prevention and control measure of self-adaptive external-environmental electric power system |
| 04/10/2013 | CN101969198B Method for estimating electrical power system state with consideration of load static property |
| 04/10/2013 | CN101944750B Implementation method of flexible intelligent direct current electric local area network electric power system |
| 04/10/2013 | CN101917021B Derivative optimum-based power conversion and transient energy storage control method |
| 04/10/2013 | CN101895128B Control method of voltage fluctuation feedback of grid-connected current transformer under asymmetric voltage |
| 04/10/2013 | CN101877487B Battery energy storage power station and method for balancing power network load |
| 04/10/2013 | CN101877486B Battery energy storage power station used for balancing power network load |
| 04/10/2013 | CN101826727B Method for realizing emergency control on frequency and voltage of electric system |
| 04/10/2013 | CN101814739B Low-frequency oscillation real-time control method for power system |
| 04/10/2013 | CN101567565B System for compensating combined negative sequence current of power regulator and static var compensator |
| 04/09/2013 | US8417980 Dual-mode power supply |