| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
|---|
| 01/13/2010 | CN101626160A Sensing photoelectric grid |
| 01/13/2010 | CN100581023C Control system of wind turbines |
| 01/13/2010 | CN100581022C Method for preventing AC filter continual on-off in DC power transmission reactive power control |
| 01/13/2010 | CN100580677C Electricity market-oriented DC-segmentation design and optimal scheduling of power transmission |
| 01/12/2010 | US7647125 Time-based control of a system having integration response |
| 01/12/2010 | US7646617 Method for controlling a direct voltage source and a voltage supply device |
| 01/12/2010 | US7646114 System for and a ship having a system for connecting of shore power to the ship while docked |
| 01/12/2010 | US7646110 Voltage monitoring |
| 01/12/2010 | US7646109 System for distributing AC power within an equipment rack |
| 01/12/2010 | US7646107 Programmable power adaptor |
| 01/12/2010 | CA2428273C Switching apparatus and method for varying a phase line impedance of an electric power transport line section |
| 01/07/2010 | WO2010002780A2 Energy systems, energy devices, energy utilization methods, and energy transfer methods |
| 01/07/2010 | WO2010002687A2 Static var corrector |
| 01/07/2010 | WO2010002402A1 Low voltage ride through |
| 01/07/2010 | WO2010000663A1 Method and system for controlling a wind power plant comprising a number of wind turbine generators |
| 01/07/2010 | US20100001585 Electric power system |
| 01/07/2010 | CA2765674A1 Water heater demand side management system |
| 01/07/2010 | CA2729291A1 Energy systems, energy devices, energy utilization methods, and energy transfer methods |
| 01/07/2010 | CA2728849A1 Low voltage ride through |
| 01/06/2010 | EP2141795A1 Wind turbine with parallel converters utilizing a plurality of isolated generator windings |
| 01/06/2010 | EP2141788A2 Optimizing converter protection for wind turbine generators |
| 01/06/2010 | EP2141781A1 Switching device with a bistable relay between a network and an inverter |
| 01/06/2010 | EP2140534A1 Method and system to influence the power generation of an adjustable speed generator |
| 01/06/2010 | EP2140533A2 Damping multiple modes of electromagnetic oscillations in power distribution systems |
| 01/06/2010 | EP2140532A1 Electricity network monitoring |
| 01/06/2010 | EP2140531A1 Method and device for determining the contribution to electrical disturbances |
| 01/06/2010 | CN201378744Y Three-phase photovoltaic grid-connected inversion controlling device |
| 01/06/2010 | CN201378743Y High-voltage electricity saving device |
| 01/06/2010 | CN201378742Y High-voltage non-inrush current reactive power compensation device |
| 01/06/2010 | CN201378741Y Reactive power compensation filtering controller |
| 01/06/2010 | CN201378740Y Reactive power compensation filtering device |
| 01/06/2010 | CN201378739Y Power factor correction circuit |
| 01/06/2010 | CN201378738Y Two-control-three pre-charge phase-control switching circuit of switched capacitor set |
| 01/06/2010 | CN201378737Y Reactive power compensation module of intelligent energy-saving integrated power capacitor |
| 01/06/2010 | CN201378736Y Passive filtering compensation device |
| 01/06/2010 | CN201378735Y Power supply and charging unit of measuring instrument used by electrolytic aluminum multifunctional overhead travelling crane |
| 01/06/2010 | CN101621208A Wind turbine with parallel converters utilizing a plurality of isolated generator windings |
| 01/06/2010 | CN101621207A Wind turbine with parallel converters utilizing a plurality of isolated transformer windings |
| 01/06/2010 | CN101621206A Combination method of photovoltaic combination inverter containing transformer at AC side |
| 01/06/2010 | CN101621205A Grid-combination operation method of photovoltaic grid-combination inverter containing transformer at AC side |
| 01/06/2010 | CN101621204A Method for designing crowbar resistor for passing through low voltage of double-fed type wind generator system |
| 01/06/2010 | CN101621203A Static var corrector |
| 01/06/2010 | CN101621202A Controller of high-voltage chain type static and synchronous compensator |
| 01/06/2010 | CN101621201A Composite permanent magnet brushless wind power generating set |
| 01/06/2010 | CN101621200A Rectangular coordinate Newton load flow calculation method |
| 01/06/2010 | CN100578911C Electric voltage idle-work fast control method of speed-changing constant frequency wind generator group wind power station |
| 01/05/2010 | US7642672 Control of integrated supply voltage regulation due to on-chip internal resistance fluctuations in integrated circuits |
| 01/05/2010 | CA2358755C Load-balanced polyphase power distribution system |
| 12/31/2009 | US20090322154 Power System and Method for Supplying AC Power |
| 12/31/2009 | US20090322151 Power Management of Network-Connected Devices in Peak Power Periods |
| 12/30/2009 | WO2009157342A1 Power control system for distributing power to power demanding facilities |
| 12/30/2009 | WO2009156261A2 Method for operating a battery energy storage system |
| 12/30/2009 | WO2009155986A1 Battery energy source arrangement and voltage source converter system |
| 12/30/2009 | WO2009155953A1 Method for production of an oscillating signal and electrical protection - or measurement instrument having an oscillation identification device |
| 12/30/2009 | WO2009104165A3 Energy consumption management |
| 12/30/2009 | EP2139104A1 High efficient photovoltaic inverter comprising a buck converter |
| 12/30/2009 | EP2139090A1 Method for operating a battery energy storage system |
| 12/30/2009 | EP2139089A1 Transformation device for automatically adjusting voltage of three-phase power supply |
| 12/30/2009 | EP2137811A1 Control device for rectifier stations in a high-voltage dc transmission system |
| 12/30/2009 | EP2137800A2 A load management controller |
| 12/30/2009 | CN201374660Y Solar photovoltaic building integrated power supply and utilization system |
| 12/30/2009 | CN201374644Y Flat package power factor corrector |
| 12/30/2009 | CN201374630Y Speed-change constant-frequency double-feedback permanent-magnetic wind-driven generator system |
| 12/30/2009 | CN201374591Y Digital low-voltage integrated power distribution box |
| 12/30/2009 | CN201374587Y Automation system for wireless information transmission power distribution network |
| 12/30/2009 | CN201374568Y Grid-connected photovoltaic system with reactive compensation function |
| 12/30/2009 | CN201374567Y Undisturbed stability control device |
| 12/30/2009 | CN201374566Y Economical parallel operation automatic switching device for intelligent control power transformer with voltage between 6 and 20kv |
| 12/30/2009 | CN201374565Y Reactive dynamic compensation device |
| 12/30/2009 | CN201374564Y Synchronous marshalling switch |
| 12/30/2009 | CN201374563Y Low-voltage phase-splitting reactive power compensation cabinet system |
| 12/30/2009 | CN201374562Y Dynamic electric power filtering compensation device |
| 12/30/2009 | CN201374561Y High-voltage dynamic type composite source power filter |
| 12/30/2009 | CN201374560Y Staggered driving PWM compensating current generator |
| 12/30/2009 | CN201374508Y Intelligent phase-selection switch |
| 12/30/2009 | CN101615808A Electric fault detecting and protecting device |
| 12/30/2009 | CN101615807A Stepless rapid phase-control reactive power dynamic compensation device and compensation method thereof |
| 12/30/2009 | CN101615806A Phase-control reactive power dynamic compensation device and compensation method thereof |
| 12/30/2009 | CN101615805A Reactive power compensation device for 10kV or 6kV power transmission line |
| 12/30/2009 | CN101615804A Power factor correction circuit |
| 12/30/2009 | CN101615803A Comprehensive automation system of transformer substation |
| 12/30/2009 | CN101615802A Determination method for auxiliary setting parameter in VQC system |
| 12/30/2009 | CN101615801A VQC optimization control method by adopting inverse time-delay operation curve mode |
| 12/30/2009 | CN101615800A Optimization method for VQC control mode of transformer station |
| 12/30/2009 | CN101615799A Optimization method for VQC control mode of transformer station |
| 12/30/2009 | CN101615798A Optimization method for VQC control mode of transformer station |
| 12/30/2009 | CN101615797A Parameter optimization method for comprehensive automation system VQC of transformer station |
| 12/30/2009 | CN101615796A Optimization method for comprehensive automation system VQC of transformer station |
| 12/30/2009 | CN101615795A Method for determining setting parameter in VQC system |
| 12/30/2009 | CN101615794A Electrical power system dynamic state estimation method base on unscented transformation Kalman filter |
| 12/30/2009 | CN101615793A Method for analyzing influence of idle impact load of electric arc furnace on grid |
| 12/30/2009 | CN101615792A Method for configuring power parameter monitoring system |
| 12/30/2009 | CN101615791A Subsynchronous damping control system for effectively inhibiting subsynchronous resonance and oscillation |
| 12/30/2009 | CN101615790A Power supply optimization circuit in three power supplies and optimization method |
| 12/30/2009 | CN101615789A Method for estimating tracking state of wide area measurement system |
| 12/30/2009 | CN100576712C Solar inverter and photovoltaic installation comprising several solar inverters |
| 12/30/2009 | CN100576680C Intelligent joining-cutting method for large electrified wire netting equipment overloading on-line sensitiveness |
| 12/30/2009 | CN100575682C Turbogenerator |
| 12/30/2009 | CA2728380A1 Battery energy source arrangement and voltage source converter system |
| 12/29/2009 | US7639460 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |