| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 12/29/2005 | US20050286179 Method and apparatus for determining actual reactive capability curves |
| 12/29/2005 | US20050285574 Method and apparatus for providing economic analysis of power generation and distribution |
| 12/29/2005 | DE102005026338A1 Unterbrechungsfreie Stromversorgung und Steuerverfahren für diese Uninterruptible power supply and control method for this |
| 12/29/2005 | DE102005022911A1 Festkörperrelais zum Schalten von Wechselstrom auf eine reaktive Last und Verfahren zum Betätigen des Relais Solid state relay for switching AC to a reactive load and method for operating the relay |
| 12/28/2005 | EP1610435A2 Method for reactive power control and device for generating electric energy into an electric network |
| 12/27/2005 | US6980911 Automatic transfer switch system with synchronization control |
| 12/27/2005 | US6980890 Method for designing a power factor controller apparatus |
| 12/27/2005 | US6979914 Power generating apparatus |
| 12/27/2005 | CA2359525C Power center unit for electronic equipment |
| 12/25/2005 | CA2510839A1 Method and apparatus for providing economic analysis of power generation and distribution |
| 12/22/2005 | WO2005121652A1 Solar power system |
| 12/22/2005 | US20050283346 Distributed generation modeling system and method |
| 12/22/2005 | US20050280966 System for checking synchronization of AC voltage sources before closing a power circuit breaker |
| 12/22/2005 | US20050280964 Parallel power supply system for low voltage devices |
| 12/22/2005 | DE10336287B4 Netzfilter- und Stromversorgungseinrichtung Line filter and power supply device |
| 12/22/2005 | DE102004025924A1 Solarwechselrichter und Photovoltaikanlage mit mehreren Solarwechselrichtern Solar inverters and photovoltaic system with several solar inverters |
| 12/22/2005 | DE102004025923A1 Photovoltaikanlage zur Einspeisung in ein elektrisches Netz sowie zentrales Steuer- und Überwachungsgerät für eine Photovoltaikanlage Photovoltaic plant to feed into an electrical network and central control and monitoring unit for a photovoltaic system |
| 12/21/2005 | EP0913061B1 Processing data signals |
| 12/21/2005 | CN1710774A Remote-monitoring power free automatic compensating controller |
| 12/21/2005 | CN1710773A DSP control static power-free generator based on IGBT module and control method therefor |
| 12/21/2005 | CN1710772A High-voltage network high-capacity powerfree compensation continuous regulation method |
| 12/21/2005 | CN1710771A Resonant-impedance type hybrid active electric filter and control method thereof |
| 12/21/2005 | CN1232996C Synchronous open-circuit method for breaker of power generator and its control equipment |
| 12/18/2005 | CA2508128A1 Parallel power supply system for low voltage devices |
| 12/15/2005 | WO2005119892A1 Low loss propulsion system |
| 12/15/2005 | WO2005119875A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
| 12/15/2005 | WO2005119393A1 A hybrid ac / dc system for electric power |
| 12/15/2005 | WO2005008902A3 A power line communication system and method of operating the same |
| 12/15/2005 | US20050275979 Power signaling based technique for detecting islanding conditions in electric power distribution systems |
| 12/15/2005 | US20050275386 Power converter |
| 12/15/2005 | CA2569267A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
| 12/14/2005 | EP1604322A2 Electricity market-oriented dc-segmentation design and optimal scheduling for electrical power transmission |
| 12/14/2005 | EP0908000B1 Wireless selective tripping of ac power systems connected in parallel |
| 12/14/2005 | CN2746627Y Reactive power dynamic compensated regulator |
| 12/14/2005 | CN2746626Y Active electric filtering device |
| 12/14/2005 | CN2746625Y Triple harmonic power filter |
| 12/14/2005 | CN2746624Y Distributor for public electric |
| 12/14/2005 | CN1708892A Uninterrupted power supply with power-factor correcting bypass mode |
| 12/14/2005 | CN1707899A Automatic regulating voltage method adapted to distribution network |
| 12/14/2005 | CN1231402C Fault forecasting method of power transmission system for processing industrial film and method thereof |
| 12/13/2005 | US6975926 Method and apparatus for power management control of a compressor-based appliance that reduces electrical power consumption of an appliance |
| 12/09/2005 | CA2505493A1 A power signaling based technique for detecting islanding conditions in electric power distribution systems |
| 12/08/2005 | WO2005117245A1 Solar inverter and photovoltaic installation comprising several solar inverters |
| 12/08/2005 | WO2005117230A1 Method of disconnecting a thyristor-switched capacitor battery, and a thyristor-switched capacitor battery |
| 12/08/2005 | WO2005117136A2 Photovoltaic installation for feeding an electric grid, and central control and monitoring device for a photovoltaic installation |
| 12/08/2005 | US20050273207 Distributed protection system for power distribution systems |
| 12/08/2005 | US20050273206 No-break-power-transfer control system for variable frequency electrical power systems |
| 12/08/2005 | US20050269964 Multi-phase input ballast with dimming and method therefor |
| 12/08/2005 | US20050269882 Uninterruptible power supply |
| 12/08/2005 | DE102004023818A1 Control of AC power for an electrical load such that a symmetrical output waveform is generated |
| 12/07/2005 | CN1705181A Load stack filter capable of suppressing radio frequency interference for domestic electric washing machine |
| 12/06/2005 | US6972976 Compensation method for a voltage unbalance |
| 12/04/2005 | CA2469778A1 Switching modules for the extraction/injection of power (without ground or phase reference) from a bundled hv line |
| 12/01/2005 | WO2005114830A1 Frequency converter device for a wind energy park and method of operation of such a device |
| 12/01/2005 | US20050264269 Dual controlled output voltage, anti-saturation, auto-transformer circuit methodology |
| 12/01/2005 | DE19961705B4 Vorrichtung zur dezentralen Einspeisung regenerativer Energie Apparatus for decentralized input of renewable energy |
| 12/01/2005 | DE102004022719A1 Data extraction for quality assessment of electrical energy involves transferring event data to memory and processing devices, deriving second event data, deriving expansion data, third parameters, processing to assess quality parameters |
| 12/01/2005 | DE102004021782A1 Current supply unit with two parallel current feeding modules for telecomms has control and regulation units with cyclical output of current data |
| 12/01/2005 | DE102004021781A1 Current supply unit with emergency operating function for telecomms use has modules for parallel feeding with input output data module and control unit |
| 12/01/2005 | DE102004021380A1 Vorrichtung zur Stromversorgung Device for power supply |
| 12/01/2005 | DE102004019518A1 Method for optimal regulation or compensation of excess oscillations in current or voltage especially in power electronic circuits with active filters for machines uses fsrf reference values |
| 11/30/2005 | CN2744043Y Automatic control protector of 10KV reactive capacitance compensation |
| 11/30/2005 | CN2744042Y Distributed integrated regulator for electric energy quantity |
| 11/30/2005 | CN2744041Y Three-phase electricity saving protector |
| 11/30/2005 | CN2744040Y Power compensation distributing box |
| 11/30/2005 | CN1702935A Method for implementing invest saving of electric energy and power network by improving power factor |
| 11/29/2005 | US6969927 Power switching apparatus |
| 11/29/2005 | US6969922 Transformerless, load adaptive speed controller |
| 11/24/2005 | WO2005112219A1 Active filter |
| 11/24/2005 | US20050259449 High voltage power supply |
| 11/24/2005 | US20050258024 Switchgear assembly for distribution of electrical power |
| 11/23/2005 | EP1597806A1 Power generating apparatus |
| 11/23/2005 | EP1271742B1 System interconnection electric power generator |
| 11/23/2005 | EP1075724B1 Power controller |
| 11/23/2005 | EP1012943B1 System for supplying electromotive consumers with electric energy |
| 11/23/2005 | CN2742651Y Full output intelligent compensation power saving device for generator |
| 11/23/2005 | CN1701481A System for providing assured power to a critical load |
| 11/23/2005 | CN1700556A Ac power supply device |
| 11/23/2005 | CN1228898C Power system monitoring system |
| 11/22/2005 | US6966185 Engine cogeneration system |
| 11/22/2005 | US6966184 Photovoltaic power generating apparatus, method of producing same and photovoltaic power generating system |
| 11/17/2005 | WO2005109596A1 Electrical waveform adjuster |
| 11/17/2005 | WO2005109595A1 Power control system |
| 11/17/2005 | WO2005109594A1 Transfer function order lowering device and power system modeling system |
| 11/17/2005 | US20050256922 System and method for calculating real-time voltage stability risk index in power system using time series data |
| 11/17/2005 | US20050254191 Inverter control methodology for distributed generation sources connected to a utility grid |
| 11/17/2005 | US20050253564 Active power filter apparatus with reduced va rating for neutral current suppression |
| 11/17/2005 | DE19842043B4 Verfahren zur automatischen und verbraucherorientierten Minimierung des Gesamtstromverbrauchs und der Leistungsspitze einer Gruppe von an einem Leistungsversorgungsnetz angeschlossenen einzelnen elektrischen Verbrauchern A method for automatically and consumer-oriented minimization of the total electricity consumption and peak power of a group of devices connected to a power supply network individual electrical loads |
| 11/16/2005 | EP1596484A1 Energy management module |
| 11/16/2005 | EP1595322A1 Device and method for generating electric current |
| 11/16/2005 | CN1697280A Dynamic voltage compensator in series type by using super conduct to store energy |
| 11/16/2005 | CN1697279A Multifunctional adjuster for quality of voltage in low voltage system |
| 11/15/2005 | US6965818 Mobile energy management system |
| 11/15/2005 | US6965291 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 11/15/2005 | US6965174 Method for operating a wind turbine |
| 11/10/2005 | WO2005107035A2 Power supply device |
| 11/10/2005 | WO2005107034A1 A fault detection and control apparatus for a switch ofa compensation capacitor |
| 11/10/2005 | WO2005107033A1 Generation facility management system |
| 11/10/2005 | WO2005083864A3 Scr-based static transfer switch device and method |
| 11/10/2005 | US20050251296 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |