| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 03/06/2013 | CN102170134B Microgrid synchronization and off-grid control method and seamless switching method |
| 03/06/2013 | CN102170130B Short-term wind power prediction method |
| 03/06/2013 | CN102155356B Method for controlling running of wind generating set based on speed-regulating front end of electromagnetic coupler |
| 03/06/2013 | CN102005777B Control method and control system for photovoltaic grid-connected inverter |
| 03/06/2013 | CN101976836B Method for statically analyzing voltage stabilization of VSC-HVDC (Voltage-Sourced Converter-High Voltage Director Current) containing AC and DC system |
| 03/06/2013 | CN101958557B Peak power output tracking method and system for solar battery |
| 03/06/2013 | CN101892873B Primary frequency modulation method based on machine inlet pressure compensation |
| 03/06/2013 | CN101882874B Power supply system and apparatus |
| 03/06/2013 | CN101860026B Analysis method of electromagnetic loop closing and power reversing operation of urban distribution network |
| 03/06/2013 | CN101854062B Automatic three-phase switching method of load |
| 03/06/2013 | CN101854060B System for evaluating service quality of power ICT network |
| 03/06/2013 | CN101794991B Power distributing system, power transmitting device, power receiving device, power transmitting method and power receiving method |
| 03/06/2013 | CN101789602B Dynamic simulation device of extra-high, ultrahigh voltage thyristor controlled series compensation device and test method thereof |
| 03/05/2013 | US8390147 Methods and apparatuses for photovoltaic power management |
| 03/05/2013 | US8390143 Communication system and communication apparatus |
| 02/28/2013 | WO2013027272A1 Power-smoothing controller and power-smoothing control method |
| 02/28/2013 | WO2013026748A1 Method for operating a wind energy installation |
| 02/28/2013 | WO2013026675A1 Method for ascertaining parameters for power supply systems, and system for carrying out the method |
| 02/28/2013 | WO2013026532A1 Time-delayed battery activation for an emergency request |
| 02/28/2013 | WO2013026477A1 Bidirectional unisolated dc-dc converter based on cascaded cells |
| 02/28/2013 | WO2012171592A3 Controlling energy use |
| 02/28/2013 | WO2012170726A3 Solar panel systems having solar panels arranged in parallel, and associated methods |
| 02/28/2013 | WO2012166788A3 Photovoltaic voltage regulation |
| 02/28/2013 | WO2012127208A3 Arrangement for controlled and efficient infeed of photovoltaic power into the ac mains with parallely connected dc/dc converters |
| 02/28/2013 | WO2012084282A3 Method of adjusting power absorbed by at least one electrically powered vehicle |
| 02/28/2013 | WO2012028839A3 Improved apparatus & method in relation to voltage optimization |
| 02/28/2013 | US20130051091 Power conversion system and method |
| 02/28/2013 | US20130049479 System and method of paralleling engine-generators on a common bus |
| 02/28/2013 | US20130049476 Active transfer time delay for automatic transfer switch |
| 02/28/2013 | US20130049466 Programmable power management system |
| 02/28/2013 | DE102012212755A1 Systeme und Verfahren zur Bereitstellung von Energie für eine Last auf Grundlage einer Steuerungsstrategie Systems and methods for providing energy to a load based on a control strategy |
| 02/28/2013 | DE102011112025A1 Schnelle Spannungsregelung Fast voltage regulation |
| 02/28/2013 | DE102011111972A1 Energieverteilungsanlage mit einer Steuervorrichtung und einem Stromsensor Power distribution system with a control device and a current sensor |
| 02/28/2013 | DE102011110853A1 Kraftwerk mit einem Speicher für die zur Energieerzeugung genutzten Materie Power plant with a memory for unused for energy matter |
| 02/28/2013 | DE102011081766A1 Netzüberwachungsvorrichtung Network monitoring device |
| 02/28/2013 | DE102011081446A1 Verfahren zum Betreiben einer Windenergieanlage A method of operating a wind power plant |
| 02/28/2013 | CA2844958A1 Method for operating a wind energy installation |
| 02/28/2013 | CA2787803A1 Active transfer time delay for automatic transfer switch |
| 02/27/2013 | EP2562919A1 Grid-connected inverter and ac harmonic filtering method for inverter |
| 02/27/2013 | EP2562904A1 Method for maintaining an optimal amount of energy derived from a power generation system in a storage device |
| 02/27/2013 | EP2562903A2 Reactive power compensator comprising N inverters in parallel, N banks of capacitor(s) and a means for connecting the banks via passive electrical components |
| 02/27/2013 | EP2562902A1 Method and system of demand control based on power factor |
| 02/27/2013 | EP2562901A1 Unit commitment for wind power generation |
| 02/27/2013 | EP2562411A2 Power pant with a storage device for the material used to create energy |
| 02/27/2013 | EP2561592A2 Current balancing multiphase power converters, controllers and mehtods |
| 02/27/2013 | CN202759254U Biogas power generation grid-connecting device |
| 02/27/2013 | CN202759253U Novel photovoltaic grid connected inversion control system |
| 02/27/2013 | CN202759252U Power grid operation control system including multiterminal flexible DC transmission system |
| 02/27/2013 | CN202759251U A dynamic reactive power compensation switching regulator equipped with overvoltage protection |
| 02/27/2013 | CN202759250U Rapid non-impact capacitance fling-cut switch for middling pressure reactive compensation |
| 02/27/2013 | CN202759249U Magnetic control parallel reactor |
| 02/27/2013 | CN202759248U Display device of low voltage reactive power compensation module |
| 02/27/2013 | CN202759247U Automatic reactive power compensation control system based on shield tunneling machine |
| 02/27/2013 | CN202759246U Switching capacitor controller |
| 02/27/2013 | CN202759245U High-voltage dynamic reactive power compensation device system |
| 02/27/2013 | CN202759244U Motor in-place reactive intelligent optimization energy saving device |
| 02/27/2013 | CN202759243U Low voltage reactive dynamic compensating device |
| 02/27/2013 | CN202759242U Reactive power compensation device |
| 02/27/2013 | CN202759241U Electric power saver |
| 02/27/2013 | CN202759240U Thermal-energy-storage power generation system for wind power plant |
| 02/27/2013 | CN202759239U Inductive reactance compensation and power distribution device |
| 02/27/2013 | CN202759238U Voltage compensation device |
| 02/27/2013 | CN202759237U An integrated device used for filtering and inhibiting overvoltage in a transformer |
| 02/27/2013 | CN202759236U Electric power active filtering apparatus |
| 02/27/2013 | CN202759235U High-precision quick-response active power filter |
| 02/27/2013 | CN202759233U Power grid fault ride-through control device for flexible DC transmission system |
| 02/27/2013 | CN202759223U A current transformer Crowbar protector of a doubly-fed wind generator |
| 02/27/2013 | CN202756165U Water turbine set speed change operation system |
| 02/27/2013 | CN102948032A Power system for residence |
| 02/27/2013 | CN102948031A Method to minimize input current harmonics of power systems such as ESP power systems |
| 02/27/2013 | CN102948030A Managing renewable power generation |
| 02/27/2013 | CN102947183A Power supply circuit for an aircraft de-icing system |
| 02/27/2013 | CN102947177A Power supply and control device for actuators, corresponding actuation assembly, and aircraft comprising such a device |
| 02/27/2013 | CN102946137A Harmonic wave reactive compensation control method based on high-voltage inverter bypass |
| 02/27/2013 | CN102946136A Circuit and method for switching from power frequency of high-voltage inverter to variable frequency without disturbance |
| 02/27/2013 | CN102946120A Photovoltaic microgrid system |
| 02/27/2013 | CN102946119A Methods and system for controlling wind turbine generator to be power-off and power-on |
| 02/27/2013 | CN102946118A Multi-stator winding permanent magnet synchronous wind power generation system and control method thereof |
| 02/27/2013 | CN102946117A Method and system for optimizing starting sequence of power generators |
| 02/27/2013 | CN102946116A Energy-storage converter device based on industrial real time Ethernet |
| 02/27/2013 | CN102946115A Control method of three-phase PWM (Pulse-Width Modulation) converter based on bidirectional coordinate conversion of LCL filter |
| 02/27/2013 | CN102946114A Inverter charging method of flexible direct current power transmission system |
| 02/27/2013 | CN102946113A Super-capacitor terminal voltage control method based on battery and super capacitor |
| 02/27/2013 | CN102946112A Method and device for improving quality of output power of inverter |
| 02/27/2013 | CN102946111A Multistage active unbalance adjusting device and transformer |
| 02/27/2013 | CN102946110A Fixed frequency model prediction control method for voltage type PWM (Pulse Width Modulation) rectifier in process of voltage unbalance drop |
| 02/27/2013 | CN102946109A Wide area damping control system of electric system based on event trigger |
| 02/27/2013 | CN102946108A Voltage automatic compensation device |
| 02/27/2013 | CN102946107A Reactive automatic compensation device |
| 02/27/2013 | CN102946106A Silicon controlled rectifier combination switch |
| 02/27/2013 | CN102946105A Reactive power compensation system for cascaded multilevel inverter and control method of reactive power compensation system |
| 02/27/2013 | CN102946104A System and method for reducing overvoltage of load shedding power frequency in adjacent circuits by controllable high-voltage parallel reactor |
| 02/27/2013 | CN102946103A Active electric power filter device with self-testing function and testing method |
| 02/27/2013 | CN102946102A Variable-current power transmission system of tidal current generator unit, and working method thereof |
| 02/27/2013 | CN102946101A Single-power-supply ring network power supply system |
| 02/27/2013 | CN102946100A Agent of power consumer response system |
| 02/27/2013 | CN102946099A Method for real-time discrimination of transient power angle stability of multi-machine interconnected electric power system |
| 02/27/2013 | CN102946098A Active splitting method based on network topologic clustering |
| 02/27/2013 | CN102946097A Method for controlling thermal stability in real time by combining automatic gain control (AGC) system and manual scheduling |
| 02/27/2013 | CN102946083A Intelligent household circuit breaker |