| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 07/03/2008 | US20080157533 Wind Energy Unit |
| 07/02/2008 | EP1940014A1 Main circuit of generator for distributed power supply |
| 07/02/2008 | EP1938436A2 Charged/discharged power control for a capacitor type energy storage device |
| 07/02/2008 | EP1938435A1 An induction regulator for power flow control in an ac transmission network |
| 07/02/2008 | EP1938434A1 An induction regulator for power flow control in an ac transmission network and a method of controlling such network |
| 07/02/2008 | CN101213718A Automated precision alignment of data in utility monitoring system |
| 07/02/2008 | CN101212192A Liquid-state step-down reactive compensation soft starter for high-capacity motor |
| 07/02/2008 | CN101212142A Electric system stabilizing method and stabilizer |
| 07/02/2008 | CN101212141A Optimized back-track algorithm-based capacitor switching method |
| 07/02/2008 | CN101212140A Automatic power factor compensator |
| 07/02/2008 | CN101210941A Large power converter subsequent lockout overcurrent, subsequent power loss and overcurrent test method |
| 07/02/2008 | CN100399667C Generator reactive power adjuster and its adjusting flow |
| 07/02/2008 | CN100399666C Three-phase three-wire type active electric filter |
| 07/02/2008 | CN100398812C Wind energy turbine and wind farm consisting of a plurality of wind energy |
| 07/01/2008 | US7394672 Drive system for a vehicle moving along a trackway, particularly a magnetic levitation train |
| 07/01/2008 | US7394169 Power distribution system |
| 07/01/2008 | US7394168 Power system for a telecommunication facility |
| 06/28/2008 | CA2614428A1 Interlock assemblies for circuit breakers |
| 06/26/2008 | WO2008075674A1 Power accumulator and hybrid distributed power supply system |
| 06/26/2008 | WO2008074996A1 Electrical energy converter |
| 06/26/2008 | US20080150629 Traveling-wave tube turn-off body energy circuit |
| 06/26/2008 | US20080150436 Chopper regulator circuit |
| 06/26/2008 | US20080150361 Plasma power supply control system and method |
| 06/26/2008 | US20080150359 Semiconductor device and power supply for the same |
| 06/26/2008 | US20080150357 Expandable electrical plug and surge protector |
| 06/26/2008 | US20080150298 Micro Turbine Sheet Design for Gathering Wind Energy |
| 06/26/2008 | DE10324516B4 Spritzgußmaschinensystem mit Hybridstromversorgung Injection molding machine system with hybrid power |
| 06/26/2008 | DE102006061374A1 System zur Ausnutzung von Überschussenergie in den Abgasen eines Schiffs-Großdieselmotors System for utilizing excess energy in the exhaust gases of a ship large diesel engine |
| 06/25/2008 | CN101208644A Voltage sag generator device |
| 06/25/2008 | CN101207360A Megawatt level direct drive type speed-changing oar-changing constant frequency wind generator set |
| 06/25/2008 | CN101207357A Real-time data and safety television supervising system of wind power generation |
| 06/25/2008 | CN101207328A Control of wind power generation inverter |
| 06/25/2008 | CN101207289A Wind power generation system |
| 06/25/2008 | CN101207288A Soft parallel in control of wind power generation |
| 06/25/2008 | CN101207287A Dynamic condition idle work compensation in wind power generation |
| 06/25/2008 | CN101207286A Method for electric voltage idle work regulation switch control |
| 06/25/2008 | CN101207285A System for wind power generation to enter electric network |
| 06/25/2008 | CN101207284A System and method for controlling a micro electric network |
| 06/25/2008 | CN100397277C Device with controllable impedance |
| 06/24/2008 | US7392114 Method for operating a wind park |
| 06/24/2008 | US7391184 Systems and methods for integration of charger regulation within a battery system |
| 06/24/2008 | US7391132 Methods and apparatus providing double conversion/series-parallel hybrid operation in uninterruptible power supplies |
| 06/24/2008 | US7390587 Fuel cell system with load management |
| 06/19/2008 | WO2008073034A1 An induction regulator and use of such regulator |
| 06/19/2008 | WO2008071995A2 Load balancing arrangement |
| 06/19/2008 | WO2008040350A3 Method for operating a wind turbine connected to a utility grid during utility grid disturbance, wind turbine and wind park |
| 06/19/2008 | US20080143188 Distributed power harvesting systems using dc power sources |
| 06/19/2008 | US20080143183 Electrical Load Control Device |
| 06/19/2008 | US20080143182 Method and apparatus for generating electric power |
| 06/19/2008 | US20080143113 Power Generation Apparatus Using AC Energization Synchronous Generator And Method of Controlling The Same |
| 06/19/2008 | DE102006057473A1 Vorrichtung zum Betrieb mindestens eines mechanisch und/oder elektrisch betätigbaren Bauelements A device for operating at least one mechanically and / or electrically operable device |
| 06/19/2008 | DE102006054940A1 Schaltfeldanlage mit Redundanz Panel system with redundancy |
| 06/18/2008 | EP1933442A2 Fuel cell system |
| 06/18/2008 | EP1933441A1 System and method for controlling a microgrid |
| 06/18/2008 | CN201075863Y Low-tension motor intelligent soft start compensating control apparatus |
| 06/18/2008 | CN201075732Y System for non-intermittence switching commercial power and power generation |
| 06/18/2008 | CN201075702Y New type energy feedback device |
| 06/18/2008 | CN201075701Y Renewable energy source parallel in power generation system |
| 06/18/2008 | CN201075700Y Dynamic reactive compensator |
| 06/18/2008 | CN201075699Y Intelligent reactive power automatic compensation controller |
| 06/18/2008 | CN201075698Y Phase control type reactive power automatic compensation apparatus |
| 06/18/2008 | CN201075697Y Active filtering electric power electricity saver |
| 06/18/2008 | CN201075696Y Harmonic filter for low-voltage reactive-load compensation |
| 06/18/2008 | CN201075695Y Harmonic filtering circuit with PI and repeat operation |
| 06/18/2008 | CN201075694Y Low-voltage active electric power filter with three single phase H bridge type |
| 06/18/2008 | CN201075693Y Combining system type electricity saver |
| 06/18/2008 | CN201075692Y Combining pressure regulating type electricity saver |
| 06/18/2008 | CN201075691Y Combining frequency conversion type electricity saver |
| 06/18/2008 | CN201075690Y Power saving protecting device composed of filtering compensation type and frequency conversion type electricity savers |
| 06/18/2008 | CN201075689Y Power saving protecting device composed of pressure regulating type and frequency conversion type electricity savers |
| 06/18/2008 | CN201075688Y Power saving protecting device composed of system type and frequency conversion type electricity savers |
| 06/18/2008 | CN201075687Y Power saving protecting device composed of system type and pressure regulating type electricity savers |
| 06/18/2008 | CN201075686Y Combining pressure regulating type electricity saver |
| 06/18/2008 | CN201075685Y Combining pressure regulating type electricity saver |
| 06/18/2008 | CN201075684Y Combining pressure regulating type electricity saver |
| 06/18/2008 | CN201075683Y Power-saving device |
| 06/18/2008 | CN201075584Y New type power saving alternating current low-voltage distribution cabinet |
| 06/18/2008 | CN201075583Y New type power saving motivation distribution box |
| 06/18/2008 | CN201074572Y Solar generator |
| 06/18/2008 | CN101203820A Multi-level active filter |
| 06/18/2008 | CN101202454A An electrical power supply for an aircraft |
| 06/18/2008 | CN101202453A Method and system for controlling single-phase semi-bridge inversion parallel connection direct current circulating current |
| 06/18/2008 | CN101202452A Alternate peak power station |
| 06/18/2008 | CN101202451A System for controlling wide area damp of electrical power system and method thereof |
| 06/18/2008 | CN101202450A Three-phase ac electric motor electricity saver |
| 06/18/2008 | CN101202449A Household single-phase intelligent electricity saver |
| 06/18/2008 | CN101202448A Harmonic based on APF and SVC and reactive-load dynamic state compensating system and frequency-dividing phase-splitting electrical current control method |
| 06/18/2008 | CN101202447A Method for eliminating and controlling SVC specific times harmonic advanced research and apparatus realizing the same |
| 06/18/2008 | CN101202446A Method and system for delayed processing active electric power filter |
| 06/18/2008 | CN101202445A Method for double feed-in d.c. power transmission |
| 06/18/2008 | CN101202444A Method of steady state non-decoupling for multiphase coupling power transmission line |
| 06/18/2008 | CN100395952C Drag transmitting and transforming equipment |
| 06/18/2008 | CN100395935C High-power wind power generation interconnection system |
| 06/17/2008 | US7389209 Valuing and optimizing scheduling of generation assets for a group of facilities |
| 06/17/2008 | US7388364 Device for covering the peak load |
| 06/17/2008 | US7388303 Stand-alone electrical system for large motor loads |
| 06/17/2008 | CA2353706C Switching apparatus and method for an electric power transmission line section |
| 06/17/2008 | CA2248073C Modular power management system and method |
| 06/15/2008 | CA2612823A1 Method and apparatus for generating electric power |
| 06/15/2008 | CA2605908A1 System and method for controlling microgrid |