| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 05/15/2013 | CN103104931A Primary frequency modulation method and primary frequency modulation system based on boiler primary wind pressure dynamic compensation |
| 05/15/2013 | CN103104405A Novel technology for speeding up electricity generation of canal water turbines |
| 05/15/2013 | CN102231527B Control method for enhancing asymmetrical fault ride-through capability of wind power system |
| 05/15/2013 | CN102214919B Aid decision making method for out-of-limit of static security analysis device |
| 05/15/2013 | CN102185533B Stored energy type standard-Z source photovoltaic power generation control system and method |
| 05/15/2013 | CN102170136B Power station voltage reactive power master-slave double-command control method |
| 05/15/2013 | CN102142686B Branch-line voltage regulation device with controller taking voltage as criterion and combination switch |
| 05/15/2013 | CN101978570B Power conversion device |
| 05/15/2013 | CN101884152B Control system and control method of power system |
| 05/15/2013 | CN101682260B Device for feeding electric energy into a power grid |
| 05/14/2013 | US8441817 HVDC system including switching arrangements to switch current flow direction |
| 05/14/2013 | US8441150 Device for connection to an impedance having a mainly inductive character |
| 05/14/2013 | US8441146 Power supply arrangement with a first voltage supply device and a second voltage supply device |
| 05/10/2013 | WO2013067516A1 System and method for power conversion for renewable energy sources |
| 05/10/2013 | WO2013067476A1 System and method for power conversion for renewable energy sources |
| 05/10/2013 | WO2013067428A1 Modular energy storage system |
| 05/10/2013 | WO2013066332A2 Control system for synchronous capacitor switch |
| 05/10/2013 | WO2013065469A1 Circuitry stabilizing system and circuitry stabilizing method |
| 05/10/2013 | WO2013065446A1 Information processing device, server device, electric power transaction settlement system, settlement method for electric power transaction, and information processing method |
| 05/10/2013 | WO2013065419A1 Charging control device, cell management device, charging control method, and recording medium |
| 05/10/2013 | WO2013065169A1 Power source system and vehicle provided therewith, and method of controlling power source system |
| 05/10/2013 | WO2013065114A1 Distribution system voltage control system, distribution system voltage control method, and central voltage control device |
| 05/10/2013 | WO2013064828A1 Photovoltaic power conditioning units |
| 05/10/2013 | WO2013064778A2 Method and device for monitoring a high-voltage electric current transmission line |
| 05/10/2013 | WO2013064738A1 Mining vehicle |
| 05/10/2013 | WO2013064167A1 Carrier platform |
| 05/10/2013 | WO2013064166A1 High-voltage platform |
| 05/10/2013 | WO2013063905A1 Voltage surge-free device and method for cutting off thyristor valve block |
| 05/10/2013 | WO2013017896A3 Responsive load control method |
| 05/10/2013 | WO2012104152A3 Power supply system for an electrical drive of a marine vessel |
| 05/10/2013 | CA2854479A1 System and method for power conversion for renewable energy sources |
| 05/10/2013 | CA2854464A1 System and method for power conversion for renewable energy sources |
| 05/10/2013 | CA2854438A1 Control system for synchronous capacitor switch |
| 05/10/2013 | CA2853906A1 Method and device for monitoring a high-voltage electric current transmission line |
| 05/10/2013 | CA2853691A1 Carrier platform |
| 05/10/2013 | CA2851269A1 Apparatus and methods for balanced load point and permissive close determinations for distribution feeders |
| 05/10/2013 | CA2851171A1 Mining vehicle |
| 05/10/2013 | CA2850454A1 Power supply system, vehicle equipped with the same, and control method for power supply system |
| 05/09/2013 | US20130116848 Multichannel power controller |
| 05/09/2013 | US20130116845 Method for controlling the stability of an electric supply grid |
| 05/09/2013 | US20130116844 Grid load synchronization device and method |
| 05/09/2013 | US20130114969 Power control method, power control device, and image forming apparatus |
| 05/09/2013 | US20130113428 Multi-series battery control system |
| 05/09/2013 | US20130113291 Distributed energy managment using grid-shifting devices |
| 05/09/2013 | US20130113287 Method and apparatus for effective utilization of energy storage components within a microgrid |
| 05/09/2013 | US20130113284 Load Control System Providing Manual Override of An Energy Savings Mode |
| 05/09/2013 | US20130113282 Systems and methods for operation of an AC power supply distribution circuit |
| 05/09/2013 | US20130113281 Feed system to be used in residence such as multi-unit apartment complex |
| 05/08/2013 | EP2590304A2 Wind turbine generator and wind turbine |
| 05/08/2013 | EP2590298A1 Charge/discharge control apparatus |
| 05/08/2013 | EP2590292A1 Method for managing a facility for producing and storing renewable energy |
| 05/08/2013 | EP2590291A1 Method and apparatus for detecting islanding conditions of a distributed grid |
| 05/08/2013 | EP2590290A1 Power control method, program, and power control device |
| 05/08/2013 | EP2590289A1 Method and device for monitoring a high-voltage electric-current transmission line |
| 05/08/2013 | EP2589129A2 Wind turbine |
| 05/08/2013 | EP2589128A1 Method and control device for controlling power flow within a dc power transmission network |
| 05/08/2013 | EP2589127A1 A multi-terminal dc transmission system and method and means for control thereof |
| 05/08/2013 | EP2589126A2 System, method, and computer program product for utilizing a wind park as a variable power system stabilizer |
| 05/08/2013 | EP2589125A1 Switching on end devices according to network load |
| 05/08/2013 | EP2589124A2 Controlling a wind power plant transformer |
| 05/08/2013 | EP1512869B1 Voltage control for windpark |
| 05/08/2013 | EP1408594B1 DC ground fault detector and system-interconnected generation device using the DC ground fault detector |
| 05/08/2013 | DE102011117771A1 Operative solar energy controller installed on balcony of house, has stand-alone photovoltaic system which is interconnected with main power supply unit without interfering with electrical installation, to supply power to appliance |
| 05/08/2013 | DE102011085676A1 Einspeiseeinheit und Stromerzeugungs- und Verbrauchsanordnung Rectifier and power generation and consumption arrangement |
| 05/08/2013 | CN202930969U Single-phase photovoltaic grid-connected power generation inverter circuit capable of reducing earth leakage current |
| 05/08/2013 | CN202930968U Three-phase grid connection inverter |
| 05/08/2013 | CN202930967U Three-phase grid connection inverter |
| 05/08/2013 | CN202930966U Three-phase grid connection inverter |
| 05/08/2013 | CN202930965U Dual-mode photovoltaic current transformer applicable to harmonic wave inhibition and active grid connection |
| 05/08/2013 | CN202930964U Energy regenerating and cycling system for charger aging |
| 05/08/2013 | CN202930963U Energy feedback recycling system applied to wind turbine generator test |
| 05/08/2013 | CN202930962U Unipolar PWM modulation non-isolated photovoltaic grid-connected power generation circuit |
| 05/08/2013 | CN202930961U Single-phase photovoltaic grid-connected power generation circuit with constant common-mode voltage |
| 05/08/2013 | CN202930960U Micro-power-consumption permanent-magnetic aerogenerator |
| 05/08/2013 | CN202930959U User side distributed power supply plug-and-play inverter based on photovoltaic system |
| 05/08/2013 | CN202930958U Multistage active imbalance adjusting device and transformer |
| 05/08/2013 | CN202930957U Three-phase unbalance current adjusting and reactive compensation monitoring system |
| 05/08/2013 | CN202930956U Unified power flow controller used in unbalanced system |
| 05/08/2013 | CN202930955U Distributed zero-cross control submerged arc furnace low-voltage compensation device |
| 05/08/2013 | CN202930954U Wattless automatic compensation arrangement |
| 05/08/2013 | CN202930953U Low-voltage dynamic reactive power compensation and harmonic suppression device |
| 05/08/2013 | CN202930952U Intelligent reactive power in-situ compensation power-saving device for motor |
| 05/08/2013 | CN202930951U Reactive compensation intelligent electric power network |
| 05/08/2013 | CN202930950U Automatic balancing optimal active compensation device |
| 05/08/2013 | CN202930949U Heat pipe radiator specially used for power quality comprehensive control apparatus |
| 05/08/2013 | CN202930948U Active power filter's heat sink |
| 05/08/2013 | CN202930947U Active filter |
| 05/08/2013 | CN202930946U Active power filter's high-frequency signal?suppression device |
| 05/08/2013 | CN202930945U Passive filter circuit |
| 05/08/2013 | CN202930944U Positive sequence fundamental wave extractor |
| 05/08/2013 | CN202930943U Intelligent power grid parameter display implementation device |
| 05/08/2013 | CN202930942U Electric propulsion ship's dynamical power source |
| 05/08/2013 | CN202930941U Electrical load imbalance intelligent compensation device |
| 05/08/2013 | CN202930940U Electrical network safety energy saving control circuit |
| 05/08/2013 | CN202930939U Intelligent type three phase electricity-saving appliance |
| 05/08/2013 | CN202930938U Industrial undisturbed power supply system |
| 05/08/2013 | CN202930937U Energy-saving power supply system for electrolytic tank |
| 05/08/2013 | CN202930790U Intelligent power-saving cabinet of pumping unit |
| 05/08/2013 | CN202930198U Support device for busbar current transformer |
| 05/08/2013 | CN103098380A Information communication device and information communication method |