| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 02/09/2011 | CN101968032A Low voltage ride-through monitoring system for doubly-fed wind generator |
| 02/09/2011 | CN101515721B 10KV high voltage wind-powered generator set system with power stabilizing device |
| 02/09/2011 | CN101478162B Minimum zero-sequence component compensation control method for three-phase bridge type DVR |
| 02/09/2011 | CN101478158B Analysis method for DVR compensation policy |
| 02/09/2011 | CN101330211B Micro-electric network system capable of generating and using electricity using renewable energy resources comprehensively |
| 02/09/2011 | CN101241377B Photovoltaic grid-connected circuit topological structure |
| 02/08/2011 | US7884499 Intervention of independent self-regulation of power consumption devices |
| 02/08/2011 | US7884498 Method and arrangement for the energy-saving operation of dishwashers |
| 02/08/2011 | US7884496 Large power multi-outputs power supply structure having relatively high efficiency in load range and controlling method thereof |
| 02/08/2011 | US7884495 Method and apparatus for hot swap of line replaceable modules for AC and DC electric power systems |
| 02/03/2011 | WO2011014246A2 System and method for control for regenerative energy generators |
| 02/03/2011 | WO2011013187A1 Self-excited reactive power compensation device |
| 02/03/2011 | WO2011012733A1 System for reactive power compensation in electricity system |
| 02/03/2011 | WO2011012436A2 Device for compensating harmonics occurring in current flows in a high-voltage network |
| 02/03/2011 | WO2011012272A2 Circuit assembly for current steering |
| 02/03/2011 | WO2011012171A1 Configurable hybrid converter circuit |
| 02/03/2011 | WO2011012135A2 Method and apparatus for managing transmission of power in a power transmission network |
| 02/03/2011 | WO2011012134A1 Method and apparatus for managing transmission of power in a power transmission network |
| 02/03/2011 | WO2010111451A3 Under frequency/under voltage detection in a demand response unit |
| 02/03/2011 | US20110025236 Power conversion equipment |
| 02/03/2011 | DE102009035399A1 Schaltungsanordnung zur Stromlenkung Circuit arrangement for power steering |
| 02/03/2011 | CA2768750A1 Configurable hybrid converter circuit |
| 02/02/2011 | EP2280166A1 Wind turbine operation method and system |
| 02/02/2011 | CN201733277U Variable-frequency motor speed regulating device |
| 02/02/2011 | CN201733269U Double-fed wind driven generator control system |
| 02/02/2011 | CN201733132U 智能化配电系统 Intelligent power distribution system |
| 02/02/2011 | CN201733111U Main circuit of active CROWBAR of double-fed wind-driven generator |
| 02/02/2011 | CN201733110U Commercial power parallel convertor |
| 02/02/2011 | CN201733109U Intelligent interval stabilized voltage three-phase balance power-saving system |
| 02/02/2011 | CN201733108U Maintenance-free low-voltage compensation short net system |
| 02/02/2011 | CN201733107U Throw switch of low-voltage switch equipment |
| 02/02/2011 | CN201733106U Vacuum consumable electric arc furnace power compensation and harmonic suppression device |
| 02/02/2011 | CN201733105U Low-voltage intelligent phase-selection switch |
| 02/02/2011 | CN201733104U Magnetic control reactive transformer |
| 02/02/2011 | CN201733103U Microprocessor control pressure-regulating reactive power automatic compensating device of electrified railway |
| 02/02/2011 | CN201733102U High-reliability electrified railway microcomputer-control voltage-regulating type reactive power automatic compensation device |
| 02/02/2011 | CN201733101U Magnetic valve control type dynamic reactive power compensator |
| 02/02/2011 | CN201733100U Intelligent low-voltage idle automatic compensation tank |
| 02/02/2011 | CN201733099U Automatically-switching type high-voltage capacitance compensation device |
| 02/02/2011 | CN201733098U Passive compensation device with function of filtering harmonic wave |
| 02/02/2011 | CN201733097U Reactive power compensator |
| 02/02/2011 | CN201733096U Controllable saturable reactor |
| 02/02/2011 | CN201733095U Three-phase current balancing and automatic adjustment switch |
| 02/02/2011 | CN201733094U Red-black power filter isolation device |
| 02/02/2011 | CN201733093U Dynamic voltage restorer control system based on DSP and FPGA chips |
| 02/02/2011 | CN201732648U Transformer pre-magnetizing device |
| 02/02/2011 | CN201730751U Megawatt-level vertical axis wind driven generator with adjustable angle of attack |
| 02/02/2011 | CN101965669A Electronic DC circuit breaker |
| 02/02/2011 | CN101964628A Variable frequency energy storage power-saving device for three-phase injection molding machine |
| 02/02/2011 | CN101964534A Fan transformation method for realizing low voltage ride through of doubly-fed wind turbine |
| 02/02/2011 | CN101964533A Low voltage ride-through variable pitch control system for double-fed wind turbine generator unit |
| 02/02/2011 | CN101964532A Method for controlling low-voltage ride through of doubly-fed type wind generating set |
| 02/02/2011 | CN101964531A Low voltage ride through (LVRT) frequency conversion control system of doubly-fed wind generating set |
| 02/02/2011 | CN101964530A Novel low-voltage distribution transformer reactive power compensation device |
| 02/02/2011 | CN101964529A DSP (Digital Signal Processor) based improved instantaneous detection and control system of cascaded active power filter |
| 02/02/2011 | CN101964528A Intelligent power-saving device |
| 02/02/2011 | CN101964527A Non-balanced type active filtering compensation method for voltage on power grid side |
| 02/02/2011 | CN101964526A Electric network recovery and reconstruction method for underpowered network |
| 02/02/2011 | CN101964525A Method for estimating state of distribution network for supporting large-scale current measurement |
| 02/02/2011 | CN101963787A Dual feedback loop control method of power active filter |
| 02/02/2011 | CN101963644A Oscillation center capturing method for out-of-step oscillation of power system |
| 02/02/2011 | CN101963319A Wind power grid electric energy complementary street lamp lighting system |
| 02/02/2011 | CN101963074A Method for automatically adjusting transient wide range of steam turbine driven load and cogenerating power and heat |
| 02/02/2011 | CN101364734B Safety protection system for electrical power system |
| 02/01/2011 | US7880336 Electric horizontal directional drilling machine system |
| 02/01/2011 | US7880330 Controlling a power converter |
| 02/01/2011 | US7880329 Multi-channel switching regulator |
| 02/01/2011 | US7880328 Stage-fused transformer loop system and method of rapid diagnosis of fault cable or transformer failure within the system |
| 02/01/2011 | US7880324 Transmitter with a remote unit in an electric net data transmission system |
| 01/27/2011 | WO2011011404A1 Energy management system and method |
| 01/27/2011 | WO2011011088A1 Sequentional electrical power delivery from two generators |
| 01/27/2011 | WO2011009285A1 Movable shore power variable frequency power supply device |
| 01/27/2011 | WO2010136033A8 Converter system for a wind turbine |
| 01/27/2011 | US20110018341 Intelligent power system |
| 01/27/2011 | DE202010015254U1 Steuereinrichtung zum Steuern einer Energiezuteilung als auch Vorrichtung zum Bereitstellen von elektrischer Energie an einen gebäudezugeordneten Verbraucherverbund Control means for controlling a power allocation and device for providing electrical power to a building associated consumer composite |
| 01/27/2011 | DE102009027802A1 Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgeräts Household appliance and method for operating a household appliance |
| 01/27/2011 | CA2768915A1 Sequentional electrical power delivery from two generators |
| 01/27/2011 | CA2768799A1 Energy management system and method |
| 01/26/2011 | EP2278679A2 Power generator distributed inverter |
| 01/26/2011 | EP2277258A1 A voltage source converter |
| 01/26/2011 | CN201726557U Special improved ballast for high-power energy saving lamp tube |
| 01/26/2011 | CN201726347U Solar cell power generation system |
| 01/26/2011 | CN201726306U Voltage transient protection device |
| 01/26/2011 | CN201726205U AC energy storage cabinet and energy storage power station system |
| 01/26/2011 | CN201726157U Low voltage ride through adjusting device for wind power generation |
| 01/26/2011 | CN201726156U Feedback energy-saving device with variable-frequency motor |
| 01/26/2011 | CN201726155U Solar inverter outdoor machine |
| 01/26/2011 | CN201726154U Sealing structure of photovoltaic synchronization inverter |
| 01/26/2011 | CN201726153U System capable of feeding back LED load electric energy to grid |
| 01/26/2011 | CN201726152U System capable of feeding battery loaded electric energy back to power grid |
| 01/26/2011 | CN201726151U System capable of feeding back loaded electric energy of alternating current equipment to power grid |
| 01/26/2011 | CN201726150U System capable of feeding direct-current equipment-loaded electric energy back to electric network |
| 01/26/2011 | CN201726149U Measure and control device for synchronous voltage auto-selection |
| 01/26/2011 | CN201726148U Power transmission device for wind power generating set from engine room to tower base |
| 01/26/2011 | CN201726147U Low-voltage digital capacity circuit |
| 01/26/2011 | CN201726146U Motor dynamic reactive power compensation filtering device |
| 01/26/2011 | CN201726145U Centralized circuit capable of improving power factor of power network |
| 01/26/2011 | CN201726144U Circuit capable of dispersedly increasing power factor of power grid |
| 01/26/2011 | CN201726143U Tapf |
| 01/26/2011 | CN201726142U Electric ore furnace energy-saving system switching structure |