Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
06/2010
06/23/2010CN101752873A Protection method of DC electricity transmission high-voltage convertor station
06/23/2010CN101752872A Anti-disaster reactive power compensation device
06/23/2010CN101752871A Method for compensating interference current of an electrical system and interference current compensation device
06/23/2010CN101752870A Method for analysis of available power supply capacity of medium voltage distribution network
06/23/2010CN101752869A Ac MgO electric smelting furnace power supply system based on power saving operation
06/23/2010CN101752868A Low-frequency load reduction control system and working method thereof
06/23/2010CN101752867A Power supply system and solar power conversion device
06/23/2010CN101752866A Automatic heavy-load equipment early warning implementation method based on decision tree
06/23/2010CN101752865A Method for adopting conducting wire with three-phase unequal cross-section for AC transmission line
06/23/2010CN101752864A Method and arrangement for limiting electric power required by electric loads
06/23/2010CN101749184A Control of the rotational speed of a wind turbine which is impeded to export electrical power to an electricity network
06/23/2010CN101745732A Spotwelder voltage drop compensating device and technical scheme
06/23/2010CN101304172B Method for real time pre-compensating harmonic wave field dead region
06/23/2010CN101090259B High AC current high RF power AC-RF decoupling filter for plasma reactor heated electrostatic chuck
06/22/2010US7741732 Method of configuring a startup sequence of a load control system
06/22/2010US7741730 Method of determination of a distribution of energy to a plurality of electrical loads and corresponding system
06/22/2010US7741728 Wind power plant comprising a reactive power module for supporting a power supply system and corresponding method
06/19/2010CA2688751A1 Arrangement to stabilise a grid
06/17/2010WO2010066898A2 System, apparatus and method for power transfer to vessels
06/17/2010US20100149458 Inverter apparatus
06/17/2010US20100148588 Genset control system implementing engine synchronization
06/17/2010US20100148585 Hybrid installation with a biogas installation
06/17/2010US20100148579 Power distribution controller and related systems and methods
06/17/2010US20100148578 Systems And Methods Providing A Power Converter
06/17/2010US20100148518 Stationary genset power system having turbo-compounding
06/17/2010DE202008017720U1 Anordnung zur erweiterten Bereitstellung von Regelleistung zur Gewährleistung der Systemsicherheit und zur Nutzung im EEG-Ausgleichsverfahren in Elektroenergieverbundsystemen Arrangement for the provision of advanced control power to ensure system security and the use of EEG-balancing method in the electric power network systems
06/17/2010DE102008053822B3 Vorrichtung und Verfahren zur Speisung eines Abnehmernetzes mit der elektrischen Leistung eines Versorgungsnetzes Apparatus and method for feeding a customer network with the electric power of a supply network
06/16/2010EP2197100A2 Engine-generator control system implementing engine synchronization
06/16/2010EP2197083A2 Method for modelling a transformer assembly
06/16/2010EP1191662B1 Configuration of a control system of an electrical installation
06/16/2010CN201509180U High-capacity controllable reactor with match of grading and continuous control
06/16/2010CN201509168U Coastal bench viaduct type solar power station power supply device
06/16/2010CN201509100U Electricity double-power device
06/16/2010CN201509087U Reactive compensation intelligent observing and controlling terminal of high-voltage line
06/16/2010CN201509086U magnetically controlled reactor
06/16/2010CN201509085U Quick-throwing/cutting low-voltage intelligent reactive power compensating device
06/16/2010CN201509084U Intelligent combined power capacitor
06/16/2010CN201509083U Vehicle-mounted movable container high-voltage shunt capacitor device
06/16/2010CN201509082U Intelligent type low-voltage power capacitor device
06/16/2010CN201509081U Capacitance compensation indicating device
06/16/2010CN201509080U Capacitance compensation control device
06/16/2010CN201509079U Capacitance compensation device for low-voltage networks
06/16/2010CN201509078U Low-voltage compensation and harmonic suppression electric control device
06/16/2010CN201509077U Passive filtering device of three-phase alternating current system
06/16/2010CN201506271U Traction in-phase power supply unit of electric locomotive
06/16/2010CN101741310A Electrical control structure
06/16/2010CN101741275A Control method of modular full-bridge grid-connected inverters capable of parallel operation
06/16/2010CN101741273A Coupling inductance type double Boost inverter circuits in photovoltaic system
06/16/2010CN101741141A Embedded ship power station management system
06/16/2010CN101741102A Small-size wind power-generating grid-connected system with storage batteries
06/16/2010CN101741101A Method for realizing network access current of unity power factor of grid-connected inverter and internal anti-islanding
06/16/2010CN101741100A Low voltage ride-through control scheme
06/16/2010CN101741099A Method for preventing false tripping of electric system out-of-step separating device in symmetrical fault
06/16/2010CN101741098A Back pressure type steam turbine generator unit access station service electrical system
06/16/2010CN101741097A Distribution transformer capacity sequence grade optimizing method
06/16/2010CN101741096A Delayless control method of rotor current of grid-connection, speed-change and constant-frequency double-fed induction wind driven generator
06/16/2010CN101741095A Automatic switching device for economic operation of power transformer
06/16/2010CN101741094A Turn-off device-based mobile power transmission device
06/16/2010CN101741093A Reactive power compensation and harmonic governance system and control method for realizing power compensation and harmonic governance by using the same
06/16/2010CN101741092A Voltage and reactive power partition control method of power system
06/16/2010CN101741091A External filter device
06/16/2010CN101741090A Ultra-wide-band power supply filter for mechanical carrier and design method thereof
06/16/2010CN101741089A Resonance mitigation system and method
06/16/2010CN101741088A Method for comprehensive control of passive filter and reactive power compensation
06/16/2010CN101741087A Electric pollution monitoring and positioning system
06/16/2010CN101741086A Method for comprehensively evaluating precision of stability calculation models and parameters based on PMU data
06/16/2010CN101741085A Method for forecasting short-term wind-electricity power
06/16/2010CN101741084A Dual power supply system
06/16/2010CN101741083A Method for breaking through bottleneck of fast development of wind power and power supply system thereof
06/16/2010CN101741022A PLC-based distribution cabinet of middle/small-size wind-solar hybrid generation system
06/16/2010CN101738535A Alternating voltage zero-crossing detection circuit for power factor correction control circuit
06/16/2010CN101738528A Alternating current detection circuit for power factor correction control circuit
06/16/2010CN101738527A Alternating current input voltage magnitude test circuit for power factor correction control circuit
06/16/2010CN101738526A Direct current output voltage test circuit for power factor correction control circuit
06/16/2010CN101737266A Megawatt-level variable speed wind generating set featuring flexible combination of multiple electric generators and control method thereof
06/16/2010CN101394093B Incorporating network and method for wind electricity generator group
06/16/2010CN101304173B Reactive compensation method
06/16/2010CN101257209B Islet operation detecting method of photovoltaic parallel network generating system
06/16/2010CN101208644B Voltage sag generator device
06/16/2010CN101194403B Method for avoiding undesired, measurement error-induced protective tripping within a protection system of HVDC transmission system
06/15/2010US7738999 System for controlling electrically-powered devices in an integrated wireless network
06/15/2010US7738267 Systems and methods for common-mode voltage reduction in AC drives
06/15/2010US7737578 Method and device for supporting the alternating current frequency in an electricity network
06/15/2010US7737577 Power supply system and method on board an aircraft
06/15/2010US7737574 Terminating device for installation at a termination of a power line usable for power line communication
06/10/2010WO2010012629A3 Photovoltaic system and generator junction box in a photovoltaic system
06/10/2010US20100145542 Smart electrical outlets and associated networks
06/10/2010US20100142293 Boosting voltage generating circuit, negative voltage generating circuit, step-down voltage generating circuit, and semiconductor device
06/10/2010US20100142195 Enhanced Portable Battery Powered Electrical Appliance
06/10/2010US20100141041 Dc-to-ac power conversion system and method
06/10/2010US20100141030 Method for operating a low-voltage electrical system
06/10/2010DE19960491C5 Vorrichtung und Verfahren zur Regelung des Antriebs einer Fördereinrichtung Apparatus and method for controlling the drive of a conveyor device
06/10/2010DE102008059428A1 Energieeinspeisevorrichtung Energy-feeding
06/10/2010DE102008037576A1 Computergestütztes Verfahren zur Optimierung der Energienutzung A computerized method for optimizing the use of energy
06/10/2010CA2688063A1 Closed transition automatic transfer switch assembly and associated method
06/10/2010CA2686013A1 Apparatus and method pertaining to a pre-configured post for use with an automatically-movable barrier
06/09/2010EP2194629A1 Method for compensating interference current of an electrical system and interference current compensation device
06/09/2010EP2194628A1 Fault protection system for a network area of a high voltage distribution network
06/09/2010EP2193586A2 System for simultaneously producing electric and thermal energy
06/09/2010EP2193497A2 Method and apparatus for providing a virtual electric utility
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