Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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09/07/2012 | WO2012117751A1 Power generation system |
09/07/2012 | WO2012117026A2 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system |
09/07/2012 | WO2012116738A1 Fault current limitation in dc power transmission systems |
09/07/2012 | WO2012116559A1 Virtual impedance based method for parallel operation of inverters |
09/07/2012 | WO2012116532A1 Power-generating apparatus |
09/07/2012 | WO2012116428A1 Methods, systems, and apparatus for natural power collection and distribution |
09/07/2012 | WO2012092606A3 Line cord a ride-through functionality for momentary disturbances |
09/07/2012 | WO2012084196A3 Responsive load system and method |
09/07/2012 | WO2012082430A3 Methods, systems, and software for controlling a power converter during low (zero)-voltage ride-through conditions |
09/07/2012 | WO2012078433A3 Computing architecture for autonomous microgrids |
09/07/2012 | WO2012010649A3 Operating an inductive energy receiver |
09/07/2012 | WO2011141807A3 Uninterruptiple power supply systems and methods supporting load balancing |
09/07/2012 | WO2011101189A3 Energy generating system and control thereof |
09/07/2012 | WO2011032783A3 Gateway and method for network stabilisation |
09/07/2012 | CA2828645A1 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system |
09/07/2012 | CA2828606A1 Methods, systems, and apparatus for natural power collection and distribution |
09/07/2012 | CA2828342A1 Simultaneous detection of communications signals on all phases of a multi-phase power distribution network |
09/06/2012 | US20120223679 Power conversion device, power generation system and charge and discharge control method |
09/06/2012 | US20120223580 Methods, systems and apparatus for natural power collection and distribution |
09/06/2012 | US20120223579 Electrical charging and discharging system and charge and discharge control device |
09/06/2012 | DE102011013609A1 Method for supplying power to load e.g. TV set, involves supplying missing amount of energy by switching on additional peripheral power generators if metered over-consumption of load units is above threshold value |
09/06/2012 | DE102011012695A1 Geographisch beeinflusstes Blindleistungsmanagement Geographically influenced reactive power management |
09/06/2012 | CA2770166A1 Systems and methods of data transmission and management |
09/05/2012 | EP2495864A1 Control arrangement and method for regulating the output current of a dc source power converter connected to a multi-source dc system |
09/05/2012 | EP2495840A2 Power conversion apparatus |
09/05/2012 | EP2495839A1 Energy system |
09/05/2012 | EP2495838A1 Method and device for stabilising the power supply operation of an energy supply network |
09/05/2012 | EP2495837A1 Consumer and system with inductive energy transfer |
09/05/2012 | EP2495436A1 Wind power generator control device and control method |
09/05/2012 | EP2494737A2 Method of controlling network system |
09/05/2012 | EP2494736A2 Method of controlling network system |
09/05/2012 | EP2494735A2 Network system and method of controlling the same |
09/05/2012 | EP2494671A2 Wind power plant with optimal power output |
09/05/2012 | EP2494670A2 System and method for optimizing power loads in a power distribution unit |
09/05/2012 | EP2494104A2 Device and method for controlling electric product |
09/05/2012 | CN202424718U Low voltage power line carrier isolator |
09/05/2012 | CN202424590U Temperature difference solar power generation wall |
09/05/2012 | CN202424525U Frequency converter |
09/05/2012 | CN202424240U Multifunctional photovoltaic UPS (Uninterruptible Power Supply) system |
09/05/2012 | CN202424201U Parallel operation control device of ship power station |
09/05/2012 | CN202424200U Device for achieving synchronous high frequency modulation |
09/05/2012 | CN202424199U Device and system with high-frequency reverse transmission and unidirectional transmission functions |
09/05/2012 | CN202424198U Sunlight automatic sensing system for grid-connected inverter |
09/05/2012 | CN202424197U Low-voltage ride through device of constant-speed constant-frequency wind generator set |
09/05/2012 | CN202424196U Large-capacity energy storage converter formed by connecting multiple groups of inverter units in parallel |
09/05/2012 | CN202424195U IGBT switch tube protection system for inverter CO2 welder |
09/05/2012 | CN202424194U Formation electricity storing system for lithium ion battery |
09/05/2012 | CN202424193U Energy storage and unloading device of wind power generation system |
09/05/2012 | CN202424192U Reactive compensation circuit |
09/05/2012 | CN202424191U Reactive compensator concentrator |
09/05/2012 | CN202424190U Port belt conveyor conveying power supply system equipped with dynamic compensation device |
09/05/2012 | CN202424189U Modular capacitance compensation device |
09/05/2012 | CN202424188U Motor control device and two-for-one twister thereof |
09/05/2012 | CN202424187U Movable static var generator |
09/05/2012 | CN202424186U Voltage compensation device for traction substation |
09/05/2012 | CN202424185U Submersible series-capacitor compensation device |
09/05/2012 | CN202424184U Optimized reactive voltage compensation system based on reactive power flow analysis for 10kV line |
09/05/2012 | CN202424183U Medium-voltage capacitance compensation cabinet |
09/05/2012 | CN202424182U Intelligent maintenance-free high-voltage reactive compensation monitoring device |
09/05/2012 | CN202424181U Microcontrol energy saving unit |
09/05/2012 | CN202424180U Three-phase low-voltage asynchronous motor reactive terminal compensation energy-saving device |
09/05/2012 | CN202424179U Automatic load regulating device of parallel generator set |
09/05/2012 | CN202424178U Three-phase load imbalance adjusting switch |
09/05/2012 | CN202424177U Frequency conversion voltage regulation control system based on boost chopper technology |
09/05/2012 | CN202424176U High-frequency absorption and energy saving device for power supply |
09/05/2012 | CN202424175U Active filter compensation complete set device |
09/05/2012 | CN202424174U Low-voltage dynamic filtering compensation device for transformer |
09/05/2012 | CN202424173U Low-voltage high-power passive filter circuit |
09/05/2012 | CN202424172U Active power filter |
09/05/2012 | CN202424171U Manual operated power restoration protection switch |
09/05/2012 | CN202424170U Intelligent power-saving cabinet |
09/05/2012 | CN202424169U Wind power control system |
09/05/2012 | CN202424168U Load-isolating switch box for crossing power substations to supply power |
09/05/2012 | CN202424167U Primary step-down station power system for 1,000kV ultrahigh voltage substation |
09/05/2012 | CN202424166U Electric system of self-propelled type touring car |
09/05/2012 | CN202424165U 170 V type high-temperature superconduction 10 kV power supply transmission and transformation line |
09/05/2012 | CN202424133U High power motor differentiation protection system |
09/05/2012 | CN202423893U Reactive power compensation cabinet |
09/05/2012 | CN202422977U Balancing transformer for converting three-phase to two-phase |
09/05/2012 | CN202422940U Single-phase double-column oblique-angle elliptic iron-core magnetic-control electric reactor |
09/05/2012 | CN202422937U Magnetically controlled reactor with single-phase double-column right-angled circular iron cores |
09/05/2012 | CN202422936U Double-three column bevel angle round iron core magnetic control electric reactor |
09/05/2012 | CN202422935U Magnetically controlled reactor having six-climb elliptical-section core and right-angle joint seam |
09/05/2012 | CN202421797U Measurement and control unit for low-voltage static Var generator |
09/05/2012 | CN1992465B Method for power balancing of multiple synchronized generators and synchronized generator system |
09/05/2012 | CN1945920B Method for operation of a converter system |
09/05/2012 | CN1941537B Power conditioner |
09/05/2012 | CN102656770A Power control method, communication apparatus, and power control system |
09/05/2012 | CN102656765A Power supplying system, control apparatus for power supplying system, operating method for power supplying system, and control method for power supplying system |
09/05/2012 | CN102656764A DC power source for high voltage power apparatus |
09/05/2012 | CN102655389A Industry driver provided with external inductor |
09/05/2012 | CN102655385A Soft starter of three-phase asynchronous motor and control method of soft starter |
09/05/2012 | CN102655332A Method for controlling network side rectifier of brushless double-feed wind-driven generator under unbalanced electric network |
09/05/2012 | CN102655331A Surface solar energy and hydropower combined power generation method |
09/05/2012 | CN102655330A New energy resource electric power system and method thereof |
09/05/2012 | CN102655329A Battery control system and battery control method |
09/05/2012 | CN102655328A Error-free voltage-stabilizing method of special frequency converter for motor |
09/05/2012 | CN102655327A Control method for sliding mode converter control structure of active power filter containing parameter perturbation |
09/05/2012 | CN102655326A Forming method for neural network inverse controller of active power filter |
09/05/2012 | CN102655325A Simplified analysis method of power distribution network tidal current |