| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 12/27/2013 | CA2877404A1 Wind farm having a plurality of network feed-in points |
| 12/27/2013 | CA2877307A1 Method and apparatus for actively managing electric power over an electric power grid |
| 12/26/2013 | US20130342942 Ac power conditioning circuit |
| 12/26/2013 | US20130342021 Distributed solar power plant and a method of its connection to the existing power grid |
| 12/26/2013 | US20130342019 Power converter and method of assembling the same |
| 12/26/2013 | US20130342016 Domestic appliance having a stand-by mode and method for operating such a domestic appliance |
| 12/25/2013 | EP2677623A2 Power generation and transmission system |
| 12/25/2013 | EP2677622A2 Method and a device for feeding electrical power to an electrical energy supply network |
| 12/25/2013 | EP2677621A1 AC-DC single phase controlled reversible converter with low loss snubber |
| 12/25/2013 | EP2677620A1 System and method for monitoring the waveform of the voltage of the electrical grid |
| 12/25/2013 | EP2677619A1 Microgrid power distribution system and power flow asymmetrical fault analysis method therefor |
| 12/25/2013 | EP2677479A1 Energy consumption monitoring system, method, and computer program |
| 12/25/2013 | EP2677168A1 Matrix converter device for wind-power electricity-generation, wind-power electricity-generation device, wind farm, and wind turbine manufacturing method |
| 12/25/2013 | EP2676348A1 Load-balancing device on a polyphase network |
| 12/25/2013 | EP2675566A2 Regenerative braking safety system and method of use |
| 12/25/2013 | EP2182207B1 Wide-area transmission control of windfarms |
| 12/25/2013 | CN203368375U Motor grading frequency conversion heavy duty soft starting and harmonic wave filtering integrated apparatus |
| 12/25/2013 | CN203368361U Photovoltaic inverter with multipath direct current input |
| 12/25/2013 | CN203368121U System for distributed photovoltaic power generation unit |
| 12/25/2013 | CN203368056U Novel wind-solar hybrid generation system |
| 12/25/2013 | CN203368047U Integrated grid-connection and inversion controller of wind generator |
| 12/25/2013 | CN203368046U Distributed photovoltaic integrated system |
| 12/25/2013 | CN203368045U Energy-saving aging rack for charger, adapter and LED power supply |
| 12/25/2013 | CN203368044U Bidirectional ac/dc multi-power-supply multi-load safe-isolation micro electrical network system |
| 12/25/2013 | CN203368043U Microgrid energy storage system based on battery echelon use |
| 12/25/2013 | CN203368042U Energy storage system based on IEGT |
| 12/25/2013 | CN203368041U Device in on-line detection self-excitation type MCR for performing excitation control on state of thyristor |
| 12/25/2013 | CN203368040U Stable-state automatic-grounded discharge capacitor combination switch |
| 12/25/2013 | CN203368039U Combined reactive compensation terminal controller |
| 12/25/2013 | CN203368038U Novel low voltage station area reactive power compensator |
| 12/25/2013 | CN203368037U Reactive power automatic compensation screen |
| 12/25/2013 | CN203368036U Hybrid parallel reactive power compensation device |
| 12/25/2013 | CN203368035U Alternating-current electrically-controlled reactive power compensation device for mining elevator |
| 12/25/2013 | CN203368034U Low-voltage reactive power automation compensation controller |
| 12/25/2013 | CN203368033U Household intelligent power saving device |
| 12/25/2013 | CN203368032U Harmonic suppression circuit in electromagnetic compatibility laboratory |
| 12/25/2013 | CN203368031U Compact-structure type active filter |
| 12/25/2013 | CN203368030U Switching device of three branches of power supply |
| 12/25/2013 | CN203368029U Generalized unified power flow controller based on FACTS |
| 12/25/2013 | CN203368028U Cascade type multi-bypass dynamic voltage recovery device based on metalized film capacitor |
| 12/25/2013 | CN203368027U Integrated control execution module |
| 12/25/2013 | CN203368026U Workshop power-saving anti-theft device |
| 12/25/2013 | CN203366982U Current transformer for high-voltage static reactive compensation device |
| 12/25/2013 | CN203364333U Control system used for hybrid electric power room air conditioner |
| 12/25/2013 | CN203363582U Ring type superconducting magnet support device |
| 12/25/2013 | CN103477729A Power switchgear cabinet of a device for producing electric energy |
| 12/25/2013 | CN103477544A Common-mode filter device and system |
| 12/25/2013 | CN103477527A Control device, power control system, and power control method |
| 12/25/2013 | CN103477526A Method and apparatus in an electricity distribution network |
| 12/25/2013 | CN103477525A Controlled converter architecture with prioritized electricity supply |
| 12/25/2013 | CN103477521A Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network |
| 12/25/2013 | CN103477294A Power conditioner system |
| 12/25/2013 | CN103475247A Active and reactive dispatchable control device of distributed photovoltaic power station |
| 12/25/2013 | CN103475102A Energy efficiency management terminal based on Internet of Things |
| 12/25/2013 | CN103475100A System and method for alarming and controlling fault and overload of power distribution network in countryside |
| 12/25/2013 | CN103475095A Intelligent transformer |
| 12/25/2013 | CN103475036A Power system transient stability multi-fault constraint preventing control method |
| 12/25/2013 | CN103475035A Reactive power control method for power generation system |
| 12/25/2013 | CN103475034A Coordination control system and method based on current source type multi-terminal DC wind field unloading |
| 12/25/2013 | CN103475033A Current control method and system for three-phase LCL type grid-connected inverter without phase locking link |
| 12/25/2013 | CN103475032A Intelligent power distribution and utilization flexible control system |
| 12/25/2013 | CN103475031A Control system of small wind solar storage hybrid generating group based on wireless sensor network |
| 12/25/2013 | CN103475030A Countercurrent prevention control method and device |
| 12/25/2013 | CN103475029A Three-phase LCL type grid-connected inverter control system and method based on pole assignment |
| 12/25/2013 | CN103475028A Brake feedback device control system and method for counter current resistance of power supply system |
| 12/25/2013 | CN103475027A Wind farm and junction station time series coordination control method during concentrated wind power access |
| 12/25/2013 | CN103475026A Grid connection and grid disconnection integrated device and method for micro-grid wind driven generator |
| 12/25/2013 | CN103475025A Power generation unit speed controller state fast transfer control method |
| 12/25/2013 | CN103475024A Electric energy quality serial connection compensation control method and system based on solar photovoltaic power generation |
| 12/25/2013 | CN103475023A On/off-grid control method for microgrid with a plurality of distributed power supplies |
| 12/25/2013 | CN103475022A Photovoltaic power station system with low voltage ride through and anti-islanding protection functions |
| 12/25/2013 | CN103475021A Statistic model based method for determining discarded wind power quantity of wind power plant |
| 12/25/2013 | CN103475020A Method for controlling load following operation of micro-grid |
| 12/25/2013 | CN103475019A Solar-energy power generation system, measurement module and positioning method |
| 12/25/2013 | CN103475018A Adaptive grid-connected inverter control method based on dynamic power grid resonant frequency identification |
| 12/25/2013 | CN103475017A Energy interaction system of self-adaption mobile microgrid |
| 12/25/2013 | CN103475016A Simulation method for converter station in HVDC (high voltage direct current) electric power transmission project |
| 12/25/2013 | CN103475015A Energy storage configuration method for output fluctuation of smooth grid-connected wind-solar power generation system |
| 12/25/2013 | CN103475014A Electric energy quality controller of wind driven generator based on battery energy storage and control method |
| 12/25/2013 | CN103475013A Method and system for comprehensively optimizing energy storing power station planning and operating |
| 12/25/2013 | CN103475012A Distributed generation electricity quantity distribution system and distributed generation electricity quantity distribution method |
| 12/25/2013 | CN103475011A STATCOM-and-TCSC combined subsynchronous oscillation restraining method |
| 12/25/2013 | CN103475010A Transient stabilization control method for interconnection electrical network after impact disturbance |
| 12/25/2013 | CN103475009A Multi-index non-linear control method used for direct-driven permanent-magnet wind-turbine current transformer |
| 12/25/2013 | CN103475008A Reactive power compensation system of low-voltage power distribution network |
| 12/25/2013 | CN103475007A Automatic voltage-sharing structure and control method of cascading STATCOM device |
| 12/25/2013 | CN103475006A Cascading STATCOM voltage-balancing method only needing total voltage sampling |
| 12/25/2013 | CN103475005A Combined static reactive compensation device and reactive compensation method thereof |
| 12/25/2013 | CN103475004A Unbalanced-load-inhibiting SVG and control method |
| 12/25/2013 | CN103475003A Automatic regional power grid voltage reactive power control method based on regional strategy optimization |
| 12/25/2013 | CN103475002A Voltage stability control method based on AVC (Automatic Voltage Control) |
| 12/25/2013 | CN103475001A Orderly power utilization load index distributing method and system |
| 12/25/2013 | CN103475000A Off-peak monitoring method and system of orderly power utilization |
| 12/25/2013 | CN103474999A Novel pumping unit side voltage stabilizing method and device |
| 12/25/2013 | CN103474998A 500kV cable and overhead joint line overvoltage optimization control method |
| 12/25/2013 | CN103474997A Voltage stabilization equipment capable of saving electricity, optimizing electric energy and automatically adjusting voltage for system |
| 12/25/2013 | CN103474996A Method for correcting output voltage waveform of STATCOM device |
| 12/25/2013 | CN103474995A Active electric filter and compound control circuit and method of active electric filter |
| 12/25/2013 | CN103474994A DC-side voltage control device and method for multiterminal uniform electric-energy quality controller |
| 12/25/2013 | CN103474993A Quantitative analysis index of active bearing capacity of power network based on mapping elastic potential energy |