| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 03/12/2008 | CN101141066A Method for regulating and controlling renewable energy resources power generation system by flywheel accumulation energy device |
| 03/12/2008 | CN101141065A Small hydroelectric power reactive power control system |
| 03/12/2008 | CN101141064A Method for distributed tidal current analyzing by exchange boundary node state and net damage information |
| 03/12/2008 | CN101141056A Electrical cable flow equalizing non-pressure regulating mechanism |
| 03/12/2008 | CN100375364C Network and control method of shift wind turbine generators |
| 03/12/2008 | CN100375363C Apparatus for providing current loop for serial compensation equipment |
| 03/11/2008 | US7343361 Apparatus for market dispatch for resolving energy imbalance requirements in real-time |
| 03/11/2008 | US7343340 System and method for distributing transformer capacity among transformer users |
| 03/11/2008 | US7343226 System and method of controlling an HVAC system |
| 03/11/2008 | US7342758 Method and system for detecting stand-alone operation of a distributed generating system |
| 03/11/2008 | US7342328 Methods and circuits for tracking and sequencing multiple power supplies |
| 03/11/2008 | CA2600332A1 Systems and methods for providing paralleling power sources for arc cutting and welding |
| 03/11/2008 | CA2333573C Power-factor correction arrangement |
| 03/06/2008 | WO2008027052A2 Management of power source variations in an elevator drive system |
| 03/06/2008 | WO2008026973A1 Power converter arrangement and method |
| 03/06/2008 | WO2008026425A1 Power conditioner |
| 03/06/2008 | WO2008026297A1 Current balancer and low-voltage power distribution system |
| 03/06/2008 | WO2008025162A1 System and method of loadflow calculation for electrical power system |
| 03/06/2008 | WO2007090302A3 Establishing switchyard zones of a high or medium voltage switchyard |
| 03/06/2008 | WO2006005956A3 Connecting a prime mover driven alternator to a circuit with an existing alternating current |
| 03/06/2008 | US20080058998 Method and system for adaptive power management |
| 03/06/2008 | US20080058996 UPS monitoring and controlling software embedded into a DSP-based online UPS equipment |
| 03/06/2008 | US20080054719 Power supply device and high-frequency circuit system |
| 03/06/2008 | DE112004002339T5 Kooperative Steuervorrichtung Cooperative control device |
| 03/06/2008 | CA2627283A1 Managing supply of a utility to a customer premises |
| 03/05/2008 | CN201030178Y Generating power-driven treadmill |
| 03/05/2008 | CN101138141A Twelve-pulse high-voltage direct current transfer |
| 03/05/2008 | CN101138140A Managing congestion in power transmission network |
| 03/05/2008 | CN101136550A Gas turbine generator synchronous voltage extracting method |
| 03/05/2008 | CN101136549A Power system separation decision space screening method |
| 03/05/2008 | CN100373736C Current sense method for bridgeless boost (BLB) PFC circuit using single current transformer |
| 03/05/2008 | CN100373735C Stationary reactive compensation monitoring platform with layered distribution type structure |
| 03/05/2008 | CN100373734C Power system |
| 03/05/2008 | CN100373733C Tidal subgrid parallel computing method for power system |
| 03/05/2008 | CN100373732C State controller |
| 03/05/2008 | CN100373728C Controllable damp device of ferromagnetic resonance for electromagnetic voltage transformer for distribution network |
| 03/05/2008 | CN100373674C Electric power supply system |
| 03/04/2008 | US7339287 Power converter |
| 03/02/2008 | CA2599126A1 Control methods for pulse width modulation (pwm) |
| 02/28/2008 | WO2008024039A1 Dc filter and voltage source converter station comprising such filter |
| 02/28/2008 | WO2008024038A1 Voltage source converter station |
| 02/28/2008 | WO2008023536A1 Power system |
| 02/28/2008 | WO2008023141A1 Electrical distribution networks |
| 02/28/2008 | US20080048589 Power supply apparatus using coil |
| 02/28/2008 | US20080048501 Wind park and method for the operation of a wind park |
| 02/28/2008 | US20080048500 Switching device |
| 02/28/2008 | US20080048498 Power Delivery Control and Balancing Between Multiple Loads |
| 02/28/2008 | US20080048495 Transformer for balancing currents |
| 02/28/2008 | US20080048452 Regenerative Energy System |
| 02/28/2008 | DE202007014578U1 Einrichtung zur Stromversorgung einer hydraulischen Baumaschine, insbesondere eines hydraulischen Verlegergerätes für Pflastersteine Means for powering a hydraulic construction machine, particularly a hydraulic device for paving blocks publisher |
| 02/27/2008 | EP1892811A2 Power converter circuit and method for feeding into the mains from a DC source with a non constant DC |
| 02/27/2008 | EP1892784A1 Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded |
| 02/27/2008 | EP1892412A1 Method for operating wind farms |
| 02/27/2008 | EP1891724A2 Grid responsive control device |
| 02/27/2008 | CN201029205Y Digital low-voltage compensating device |
| 02/27/2008 | CN201029204Y Lightning-proof and overvoltage-proof circuit used for double-feeding wind power generating system |
| 02/27/2008 | CN201029203Y Reactive dynamic compensation regulator switch |
| 02/27/2008 | CN101132134A Three-phase distribution capacitive current compensation arc-extinguishing system |
| 02/27/2008 | CN101132133A Power factor adjusting device |
| 02/27/2008 | CN101132132A Power factor adjusting device and power supply system |
| 02/27/2008 | CN100372209C Method for making operation of load in spare mode (peak-reduced power mode) |
| 02/27/2008 | CN100372208C Three-phase unified electric energy quality controller without isolation link |
| 02/27/2008 | CN100371844C Parallel cross operation method of critical continuous conducting mode power factor corrector |
| 02/26/2008 | US7337341 Computer system and power management method thereof wherein central processing unit does not support the hyper transport technology |
| 02/26/2008 | US7337153 Method and apparatus for resolving energy imbalance requirements in real-time |
| 02/26/2008 | US7336192 System and device for monitoring at least one household electric user, in particular a household appliance |
| 02/21/2008 | WO2008019635A1 Method and system for monitoring a power supply network |
| 02/21/2008 | WO2008019634A1 Model-based method for monitoring a power supply network, and system for carrying out said method |
| 02/21/2008 | US20080046388 Multi-utility energy control and facility automation control system with dashboard having a plurality of interface gateways |
| 02/21/2008 | DE202007016035U1 Hybridanlage mit einer Biogasanlage Hybrid system with a biogas plant |
| 02/21/2008 | DE202007016024U1 Hybridanlage mit einer Biogasanlage Hybrid system with a biogas plant |
| 02/21/2008 | DE202006020093U1 Vorrichtung zur Energieversorgung einer Maschine oder Anlage Apparatus for supplying power to a machine or system |
| 02/21/2008 | DE102006038104A1 Electric circuit for supplying energy to e.g. lamp of sailing boat, has switch connected with control circuit that is activated by monitoring circuit using interface, where control and monitoring circuits are coupled with supply circuit |
| 02/20/2008 | EP1889348A2 Damping electromechanical oscillations in power systems |
| 02/20/2008 | EP1889347A2 Consumer and system |
| 02/20/2008 | EP1888365A1 Electric power supply system |
| 02/20/2008 | CN201025674Y Three level middle voltage converter for MW wind power generation |
| 02/20/2008 | CN201025673Y Three-phase AC electromotor power saver |
| 02/20/2008 | CN101128975A Power conversion apparatus |
| 02/20/2008 | CN101127498A Merged network residential fully automatic solar power and heat supply device |
| 02/20/2008 | CN101127488A A railway engine AC traction one-phase power supply device based on YN,vd wiring transformer |
| 02/20/2008 | CN101127446A A wind power generation method |
| 02/20/2008 | CN101127445A Excitation control method based on non linear robust power system stabilizer |
| 02/20/2008 | CN101127444A Intelligent operation/cutting method for power grid capacitor unit |
| 02/20/2008 | CN101127443A A controllable silicon compound switch with protection device |
| 02/20/2008 | CN101127442A Control method and system for 10kV and lower distribution grid no power voltage optimized operation |
| 02/20/2008 | CN101127441A Current and DC side voltage control method for injected mixed active power filter |
| 02/20/2008 | CN101126376A Large-scale indoor wind-power station |
| 02/20/2008 | CN101126375A Frame type assembly windmill generator |
| 02/20/2008 | CN101126373A Wind force generating system for high-rise building |
| 02/20/2008 | CN100370675C Starting method for power converter |
| 02/20/2008 | CN100370674C Power generator and system comprising it |
| 02/20/2008 | CN100370673C Alternating current output parallel power supply system and its equalized current control method |
| 02/20/2008 | CN100370672C Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment |
| 02/20/2008 | CN100370671C Active power filtering method and its device based on alpha-beta current component directly injection |
| 02/20/2008 | CN100370389C Power supply network voltage reactive-load remote control real-time optimization control method |
| 02/19/2008 | US7333880 Aggregation of distributed energy resources |
| 02/19/2008 | US7332831 Power supply apparatus with soft start control |
| 02/19/2008 | US7332828 Causing operation of load in alternate, reduced peak power mode |
| 02/19/2008 | CA2333516C Arrangement for the removal of cuttings and gas arising from drilling operations |