| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 09/25/2013 | EP2642626A2 Apparatus and method for operating a wind turbine under low utility grid voltage conditions |
| 09/25/2013 | EP2641320A2 Method for connecting a photovoltaic installation to a power supply grid |
| 09/25/2013 | EP2641312A2 Data alignment in large scale electrical system applications |
| 09/25/2013 | EP2641290A2 Fuel cell system with grid independent operation and dc microgrid capability |
| 09/25/2013 | CN203219234U Anti-oscillation adaptive device for subsynchronous oscillation suppression of large-scale generator set |
| 09/25/2013 | CN203219201U Bidirectional electrical energy converter used for intelligent power grid |
| 09/25/2013 | CN203218980U On-load capacitance-regulating voltage-regulating transformer integrated controlling device |
| 09/25/2013 | CN203218956U Common bus storage battery charging/discharging system |
| 09/25/2013 | CN203218895U Intelligent control device for capacity-variable energy-saving preassembled transformer substation |
| 09/25/2013 | CN203218894U Multi-path high-precision reverse-power control system |
| 09/25/2013 | CN203218893U Device for solving potential induction attenuation |
| 09/25/2013 | CN203218892U Photovoltaic auxiliary grid-connected power generation controller and power generation system using same |
| 09/25/2013 | CN203218891U Photovoltaic grid-connected power system for residential construction |
| 09/25/2013 | CN203218890U Photovoltaic grid-connected power system for residential balcony |
| 09/25/2013 | CN203218889U Universal grid-connected photoelectric power generation system dynamo-electric transient model |
| 09/25/2013 | CN203218888U Anti-oscillation device for subsynchronous oscillation suppression based on STATCOM |
| 09/25/2013 | CN203218887U Anti-oscillation system for subsynchronous oscillation suppression of large-scale generator set |
| 09/25/2013 | CN203218886U 10kV rural power network SVG reactive power compensation control device |
| 09/25/2013 | CN203218885U 10kV rural power network SVG control device |
| 09/25/2013 | CN203218884U High-voltage dynamic compensation cabinet |
| 09/25/2013 | CN203218883U High voltage dynamic reactive power compensation device |
| 09/25/2013 | CN203218882U Energy-saving reactive power compensator capable of filtering harmonic waves |
| 09/25/2013 | CN203218881U Low voltage static complex compensation cabinet |
| 09/25/2013 | CN203218877U Active power filter DC side overvoltage protection circuit |
| 09/25/2013 | CN203212177U Energy feedback device for solar elevator |
| 09/25/2013 | CN103329396A Power supply system for an electrical drive of a marine vessel |
| 09/25/2013 | CN103329393A Communication method, communication system, and energy storage system including the same |
| 09/25/2013 | CN103329386A A high voltage dc power source and a power apparatus for a high voltage electrical power system |
| 09/25/2013 | CN103329385A On-load tap changer control method, excitation control system carrying out said control method and power excitation chain |
| 09/25/2013 | CN103329384A Method and device for managing electric energy consumption and/or production |
| 09/25/2013 | CN103329383A Local power supply installation |
| 09/25/2013 | CN103328252A Method of adjusting power absorbed by at least one electrically powered vehicle |
| 09/25/2013 | CN103326622A Photovoltaic system suitable for high-voltage direct-current transmission |
| 09/25/2013 | CN103326611A Controlling method for predicting direct power of three-phase voltage source type PWM converter |
| 09/25/2013 | CN103326606A One-phase five-level inverter |
| 09/25/2013 | CN103326602A Inverter |
| 09/25/2013 | CN103326402A Dual mode inverter for solar photovoltaic power generation |
| 09/25/2013 | CN103326401A Novel photovoltaic array grid-connected system |
| 09/25/2013 | CN103326400A Countercurrent-preventing protection and control method for microgrid |
| 09/25/2013 | CN103326399A Grid-connected inverter control method under unbalanced and harmonic wave power grids |
| 09/25/2013 | CN103326398A Voltage compensation device, current converter comprising same and photovoltaic power generation system comprising same |
| 09/25/2013 | CN103326397A Unified power quality controller controlled by hybrid frequency |
| 09/25/2013 | CN103326396A Method for testing wind power service capacity upper limit value of power system |
| 09/25/2013 | CN103326395A Microgrid coordinated control system based on various distributed power sources |
| 09/25/2013 | CN103326394A Multi-scene probability optimal scheduling method for calculating wind electricity volatility |
| 09/25/2013 | CN103326393A Redundant power supply of H-bridge cascading converter |
| 09/25/2013 | CN103326392A Reliability computation method of extra-high voltage direct-current power transmission converter valve set system |
| 09/25/2013 | CN103326391A Slide control method and device of new energy synchronization tie line power |
| 09/25/2013 | CN103326390A Dual-singlechip flywheel energy storage system controller and control method |
| 09/25/2013 | CN103326389A Power prediction based micro-grid energy storage system and capacity configuration method |
| 09/25/2013 | CN103326388A Power prediction based micro-grid energy storage system and capacity configuration method |
| 09/25/2013 | CN103326387A Source network coordinated dispatching method reducing wind electricity dispatching risks by means of stored energy |
| 09/25/2013 | CN103326386A Capacitor-voltage-based grid-connected inverter active damping method |
| 09/25/2013 | CN103326385A Pulverized coal feeder frequency converter control system with low voltage ride-through power supply device |
| 09/25/2013 | CN103326384A Stable emergency control method based on call wire double-peak track |
| 09/25/2013 | CN103326383A Wide area damping self-adaptation control system and control method thereof |
| 09/25/2013 | CN103326382A Subsynchronous oscillation anti-oscillation suppression system and method based on STATCOM |
| 09/25/2013 | CN103326381A Low-power-consumption rapid capacitor switching switch with intelligent control |
| 09/25/2013 | CN103326380A Interface system and method of power transmission and distribution reactive power optimization system |
| 09/25/2013 | CN103326379A High-power contactless module switch |
| 09/25/2013 | CN103326378A Compound switch of stable self-grounded discharge capacitor |
| 09/25/2013 | CN103326377A 1140V three-level anti-explosion reactive compensation device |
| 09/25/2013 | CN103326376A Emanant power grid reactive power optimization control method based on power circle tangency point |
| 09/25/2013 | CN103326375A Direct-hanging type reactive power compensation device and method based on 10kV power grid |
| 09/25/2013 | CN103326374A 55kV static reactive compensation device used for electrified railway AT tractive power supply system |
| 09/25/2013 | CN103326373A Dynamic reactive power compensation device suitable for multiple-direct-current feed-in grid and control method of dynamic reactive power compensation device |
| 09/25/2013 | CN103326372A Low-voltage capacitor intelligent synchronous zero passage switch and method for controlling capacitor bank switching |
| 09/25/2013 | CN103326371A Static var generator based on self-adaption control of neural network |
| 09/25/2013 | CN103326370A Low-voltage miniaturization dynamic active reactive compensation device |
| 09/25/2013 | CN103326369A Low-voltage dynamic hybrid harmonic reactive power compensation device |
| 09/25/2013 | CN103326368A Dynamic reactive current direct control method by doubly-fed wind turbine generator set during grid fault |
| 09/25/2013 | CN103326367A Centralized low-voltage load shedding method based on on-line voltage stability index |
| 09/25/2013 | CN103326366A Three-single-phase-three-wire-system parallel APF/SVG device |
| 09/25/2013 | CN103326365A Wind power plant harmonic suppression method, wind power generator sets and wind power station |
| 09/25/2013 | CN103326364A Method for determining best installation position of passive filter device |
| 09/25/2013 | CN103326363A Current conversion device with function of multi-target load control |
| 09/25/2013 | CN103326362A Main wiring structure of filtering device |
| 09/25/2013 | CN103326361A Low-voltage real-time dynamic active harmonic reactive power compensation cabinet |
| 09/25/2013 | CN103326360A Real-time dynamic active harmonic compensation device for high voltage system |
| 09/25/2013 | CN103326359A Tandem type neutral line dynamic active harmonic damper |
| 09/25/2013 | CN103326358A Electric power system dynamic state estimation method based on synchronous phase-angle measuring device |
| 09/25/2013 | CN103326357A Electric vehicle equipment power supply and distribution method |
| 09/25/2013 | CN103326356A Power grid key transmission section limit transmission capacity calculation method with consideration of artificial scheduling knowledge |
| 09/25/2013 | CN103326355A Automatic electrical partitioning method for power grid considering split operation of transformer substation |
| 09/25/2013 | CN103326354A Closed loop power distribution network tide estimation method based on load moment |
| 09/25/2013 | CN103326353A Environmental economic power generation dispatching calculation method based on improved multi-objective particle swarm optimization algorithm |
| 09/25/2013 | CN103326352A Method for identifying power distribution network cable line local overheating risks |
| 09/25/2013 | CN103326351A Distribution type parallel load flow calculation method based on hierarchical clustering automatic partition |
| 09/25/2013 | CN103326350A Converter controller, energy conversion system, photovoltaic energy conversion system and method |
| 09/25/2013 | CN103326349A 无线基站智能用电管理系统 Wireless base stations intelligent power management system |
| 09/25/2013 | CN103326348A System for improving local electric network power supply ability analysis and providing entire process online monitoring |
| 09/25/2013 | CN103326301A System and method for electrified railway overhead line online ice resistance |
| 09/25/2013 | CN103325526A Three-phase four-line zero-sequence harmonic current restraining reactor |
| 09/25/2013 | CN103323695A Device and method for automatically loading anti-islanding protection test system |
| 09/25/2013 | CN103323692A +/-800kV extra-high voltage direct current transmission engineering system testing project compiling method |
| 09/25/2013 | CN102510072B Power grid system transient destabilization differentiation method |
| 09/25/2013 | CN102506452B Backpressure heat and power cogenerator and wind power generator output heat supply scheduling system and method |
| 09/25/2013 | CN102496966B Wind power station grid-connected operation power optimization control substation |
| 09/25/2013 | CN102403722B Control method for three-level four-bridge-arm active filter |
| 09/25/2013 | CN102368612B Triple-double wiring way of medium-voltage electric distribution network |