| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 05/18/2011 | CN102067407A Method and system for controlling a wind power plant comprising a number of wind turbine generators |
| 05/18/2011 | CN102067406A Regulation method for a high voltage DC transmission plant with DC link and self-commutated inverters |
| 05/18/2011 | CN102067405A Harmonic compensation circuit and method for an LED light unit |
| 05/18/2011 | CN102066748A 风力涡轮机运行方法及系统 Wind turbine operation method and system |
| 05/18/2011 | CN102064749A Motor soft startup device capable of giving consideration to reactive power compensation and control method thereof |
| 05/18/2011 | CN102064714A Doubly-fed wind power frequency converter |
| 05/18/2011 | CN102064713A High-efficiency flyback grid-connected photovoltaic inverter |
| 05/18/2011 | CN102064711A High-power grade full-power wind power grid connected converter for synchronizing generator |
| 05/18/2011 | CN102064610A Automatic voltage control substation system of distributed power station based on devices |
| 05/18/2011 | CN102064564A Power generation grid-connected method for alternating current generator |
| 05/18/2011 | CN102064563A Method and apparatus for generating power in a wind turbine |
| 05/18/2011 | CN102064562A Active power optimization method for combined transmission of wind power and thermal power |
| 05/18/2011 | CN102064561A Permanent magnetic motor-type elastic energy storage power generation system |
| 05/18/2011 | CN102064560A Fully-intelligent comprehensive energy saver device |
| 05/18/2011 | CN102064559A Wind driven generator converter featuring high voltage redundency |
| 05/18/2011 | CN102064558A Three-phase electromagnetic balanced electricity-saving appliance |
| 05/18/2011 | CN102064557A Subsynchronous resonance characteristic value analysis model of multi-machine system |
| 05/18/2011 | CN102064556A Regulating device of static var compensator |
| 05/18/2011 | CN102064555A Chain type STATCOM (Static Synchronous Compensator) chain unit bypass structure with mechanical switch |
| 05/18/2011 | CN102064554A Method for controlling controllable high-voltage parallel reactors in power transmission system |
| 05/18/2011 | CN102064553A Control command code based automatic substation voltage control method |
| 05/18/2011 | CN102064552A Single-phase and three-phase electric energy quality controllers with novel structures |
| 05/18/2011 | CN102064551A Low-voltage high-power passive filtering circuit |
| 05/18/2011 | CN102064550A Wave stabilizing and flow discharging device |
| 05/18/2011 | CN102064549A Switching method and switching switch circuit of AC capacitor |
| 05/18/2011 | CN102064548A Transient frequency deviation considered method for optimizing rotation reserve of once frequency modulation |
| 05/18/2011 | CN102064547A Method for rapidly solving static stability limit power of single power transmission channel |
| 05/18/2011 | CN102064546A Circuit control system |
| 05/18/2011 | CN102063563A Network-province-local integrative bus load predicting method |
| 05/18/2011 | CN102062803A Active current extraction method based on orthogonal sine wave integral modulation |
| 05/18/2011 | CN101610038B Photovoltaic grid-connected inverter of Boost and Buck cascade and control method thereof |
| 05/18/2011 | CN101447698B Centralized type wave recording system of digital transformer substation |
| 05/18/2011 | CN101416365B Apparatus and method for controlling electric power tide in transmission line |
| 05/18/2011 | CN101409450B Static state synchronization reactive compensator connected through capacitance impedance and control method (thereof) |
| 05/18/2011 | CN101355254B Non-principal shaft half directly-drive permanent magnet wind generating set and control method thereof |
| 05/18/2011 | CN101132132B Power factor adjusting device and power supply system |
| 05/18/2011 | CN101013823B Apparatus for synchronizing uninterruptible power supplies |
| 05/17/2011 | US7944717 Power converter apparatus and power converter apparatus control method |
| 05/17/2011 | US7944184 Static compensator apparatus for HVDC system |
| 05/17/2011 | US7944086 System and method for load control |
| 05/17/2011 | US7944085 Multiple output switching power source apparatus including multiple series resonant circuits |
| 05/17/2011 | US7944084 Peripheral module and peripheral system for an automation system |
| 05/17/2011 | US7944083 Method and apparatus for characterizing a circuit coupled to an AC line |
| 05/13/2011 | CA2720999A1 Method and area electric power system detecting islanding by employing controlled reactive power injection by a number of inverters |
| 05/12/2011 | WO2011056362A1 Power generation system and method with voltage fault ride-through capability |
| 05/12/2011 | WO2011055226A2 Electric power supply system comprising power modules coupled in parallel |
| 05/12/2011 | WO2011055208A1 Electric power interchange system |
| 05/12/2011 | WO2011055205A1 Outlet and power distribution system |
| 05/12/2011 | WO2011055197A1 Power distribution system and protection method for main line thereof |
| 05/12/2011 | WO2011055196A1 Power distribution system |
| 05/12/2011 | WO2011055195A1 Power distribution system for building and protection method for main line thereof |
| 05/12/2011 | WO2011055194A1 Electric power interchange system |
| 05/12/2011 | WO2011055192A1 Power distribution system |
| 05/12/2011 | WO2011055187A1 Power distribution system |
| 05/12/2011 | WO2011055186A1 Power distribution system |
| 05/12/2011 | WO2011055185A1 Power distribution system |
| 05/12/2011 | WO2011055175A1 A control system for wind farms with aerogenerators provided with dc modular converters |
| 05/12/2011 | WO2011022390A3 Energy storage systems and associated methods |
| 05/12/2011 | WO2010147420A3 Maximum power tacking device using orthogonal-perturbation signal and maximum power tracking control method thereof |
| 05/12/2011 | WO2010119120A3 Method and device for connecting a photovoltaic system to an alternating-current network |
| 05/12/2011 | US20110109297 Parallel ac switching with sequential control |
| 05/12/2011 | US20110109086 Wind Energy Installation and Method of Controlling the Output Power from a Wind Energy Installation |
| 05/12/2011 | DE19951216B4 Verfahren zur Steuerung einer Brennstoffzellenanordnung A method of controlling a fuel cell assembly |
| 05/12/2011 | CA2778995A1 A control system for wind farms with aerogenerators provided with dc modular converters |
| 05/12/2011 | CA2720777A1 Electrical power distribution system |
| 05/11/2011 | EP2320549A1 Method of operating an inverter and inverter control arrangement |
| 05/11/2011 | EP2319153A1 Method and device for optimized energy management |
| 05/11/2011 | EP2319152A1 A plant for low-power preferably single-phase electrical supply to buildings for residential and non-residential use. |
| 05/11/2011 | EP2095482B1 Estimation of real-time power system quantities using time-synchronized measurements |
| 05/11/2011 | EP1649581B1 Compensator device for stabilising the power of alternators in electrical power generating plants |
| 05/11/2011 | CN201830166U Current-stabilizing and voltage-stabilizing power supply |
| 05/11/2011 | CN201829967U Integration device for energy of a plurality of wind driven generators |
| 05/11/2011 | CN201829966U Photovoltaic wind-driven grid-connected generating system with discontinuous power supply function |
| 05/11/2011 | CN201829965U Intelligent power capacitor |
| 05/11/2011 | CN201829964U On-site reactive compensation equipment of motor |
| 05/11/2011 | CN201829963U Low-voltage reactive-compensation complete cabinet |
| 05/11/2011 | CN201829962U Separate-compensation type low-voltage intelligent combined reactive power compensator |
| 05/11/2011 | CN201829961U Joint-compensation type low-voltage intelligent combined reactive power compensator |
| 05/11/2011 | CN201829960U 铁芯结构 Core structure |
| 05/11/2011 | CN201829959U Capacitor group formed by connecting multiple strings of sections |
| 05/11/2011 | CN201829958U Capacitor bank for directly compensating 110kV bus |
| 05/11/2011 | CN201829957U Control method of low-voltage capacitive switch based on bus |
| 05/11/2011 | CN201829956U Novel large-current sampling submerged arc furnace low-pressure reactive power compensation device |
| 05/11/2011 | CN201829955U Dynamic voltage stabilizer for helping wind power generator to implement low voltage ride-through |
| 05/11/2011 | CN201829954U Complete device special for filtration and compensation of arc furnace |
| 05/11/2011 | CN201829953U Special complete filter compensation equipment for medium-frequency induction furnace |
| 05/11/2011 | CN201829952U Special complete device for filter compensation of calcium carbide furnace |
| 05/11/2011 | CN201829951U Complete equipment dedicated to single crystal furnace filtering compensation |
| 05/11/2011 | CN201829950U Special suite device for filter compensation of ferrosilicon furnace |
| 05/11/2011 | CN201829949U Device for saving electricity of transformer by new computing method |
| 05/11/2011 | CN201829948U 智能电能管理控制器 Intelligent Power Management Controller |
| 05/11/2011 | CN201829945U Transformer direct-current magnetic biasing compensating device with reactive compensation function |
| 05/11/2011 | CN201829818U Capacitance compensation cabinet |
| 05/11/2011 | CN201829629U Neutral wire connecting device of high-voltage parallel capacitor group |
| 05/11/2011 | CN201824539U Electricity and power dispatching device for plastic injection moulding machines or rubber product processing machinery |
| 05/11/2011 | CN1997824B Active power regulating system of a wind farm |
| 05/11/2011 | CN1813384B Methods and apparatus for control of inductively coupled power transfer systems |
| 05/11/2011 | CN102057339A Method for operating a modular automation device |
| 05/11/2011 | CN102055368A 100-KVA micro-grid energy storage bidirectional converter |
| 05/11/2011 | CN102055366A Method of operating an inverter and inverter control arrangement |