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)
12/2012
12/20/2012US20120319474 Systems and Methods for Transmission of Electric Power to Downhole Equipment
12/20/2012DE102012105222A1 Vorrichtungen und Verfahren zur Verwendung bei dem Verkauf und Einkauf von Energie Devices and methods for use in the sale and purchase of energy
12/20/2012DE102012105184A1 System, Verfahren und Vorrichtung zum Betrieb für ein Energieverteilungssystem System, method and device for operating for a power distribution system
12/20/2012DE102012105029A1 Elektrisches Leistungsversorgungssystem An electrical power supply system
12/20/2012DE102011105417A1 Batteriespeicherwerk Battery storage plant
12/20/2012DE102011104903A1 Method for controlled removal of electrical energy from distribution network for electrical motor car, involves fulfilling charging profile for removal of energy from distribution network through controlling of charging of end consumer
12/20/2012DE102011104743A1 Method for energy-dependant data processing and data transmission in computing system and network utilized in e.g. on-line banking application, involves performing data processing based on evaluation of data of electrical supply networks
12/20/2012DE102011077660A1 Reinigungsvorrichtung mit Energiespeicher Cleaning device with energy storage
12/20/2012DE102011051199A1 Method for islanding detection in self generating system, involves triggering time measurement, if abandonment of tolerance range is determined, where recognition signal is delivered for island operation within predetermined time period
12/20/2012DE102011051074A1 Steuern der Verwendung von Energie Controlling the use of energy
12/20/2012CA2838410A1 Heating, ventilation and/or air-conditioning device with targeted power-supply management
12/19/2012EP2536000A2 Intelligent electrical power distribution system
12/19/2012EP2535999A1 Electric power supply system
12/19/2012EP2535998A1 Arrangement and Method for Avoiding Stray Currents In Wind Power Plants
12/19/2012EP2535997A2 Systems, methods, and apparatus for evaluating load power consumption utilizing a power meter
12/19/2012EP2535996A2 Secure control mechanism for distributed photovoltaic system
12/19/2012EP2535727A1 Energy display system
12/19/2012EP2535685A1 Submetering power consumption of appliances
12/19/2012EP2534742A1 Converter for high voltage dc dc transmission
12/19/2012EP2534633A1 Green energy generation apparatus, mobile device, electric storage apparatus, and management method of green energy information
12/19/2012CN202617159U Intelligent reactive router used for reactive power cloud compensation system
12/19/2012CN202617059U Off-grid intelligent type fan controller
12/19/2012CN202617042U Solar power generation system used for buildings and adopting mini-size inverter
12/19/2012CN202617030U Multi-level photovoltaic grid connected inverter with isolation transformer
12/19/2012CN202616805U Switch control device for rapid grid connection and grid separation of micro gird and power grid
12/19/2012CN202616804U Converter for controlling rapid grid connection and grid separation of micro grid and power grid
12/19/2012CN202616803U Hybrid current-inversion-type power generation system using wind, light and superconducting magnetic energy storage
12/19/2012CN202616802U Novel serial feedback-type energy-saving electronic load device
12/19/2012CN202616801U Photovoltaic/ storage-battery hybrid distribution-type power generation system based on current inverter
12/19/2012CN202616800U Distributed grid-connected solar-energy photovoltaic system
12/19/2012CN202616799U Photovoltaic power supply system reverse power prevention apparatus based on solid-state relay
12/19/2012CN202616798U Automatic capacitance compensation control device based on current and voltage close-loop control
12/19/2012CN202616797U A local dynamic reactive compensator
12/19/2012CN202616796U Short network compensation system and ore-smelting electric furnace
12/19/2012CN202616795U Box transformer substation type environment-friendly automatic tracking reactive-power compensating device
12/19/2012CN202616794U Automatic tracking reactive power compensator
12/19/2012CN202616793U Common household electricity saver
12/19/2012CN202616792U Novel household electricity-saving appliance
12/19/2012CN202616791U Magnetically controlled reactor rapid excitation device
12/19/2012CN202616790U Automatic switching high-voltage reactive power compensation device
12/19/2012CN202616789U Active modularized reactive power compensation device SVG
12/19/2012CN202616788U Synchronous reactive power non-differential continuous regulation compensation module
12/19/2012CN202616787U Compensation capacitor bank of intermediate frequency power supply
12/19/2012CN202616786U Power reactive compensating system
12/19/2012CN202616785U High-voltage parallel connected capacitor reactive power compensation device provided with multi-tap reactor
12/19/2012CN202616784U Power factor regulating circuit
12/19/2012CN202616783U Novel short-net-side low-voltage dynamic reactive power compensator
12/19/2012CN202616782U Reactive power cloud compensation system
12/19/2012CN202616781U Capacitive power grid local voltage lifting device
12/19/2012CN202616780U Novel industrial electricity-saving device
12/19/2012CN202616779U Low pass filter and active electric power filtering device
12/19/2012CN202616778U Harmonic current suppression system of intermediate frequency furnace
12/19/2012CN202616777U Phase-shifting zero-sequence harmonic filter and three-phase four-wire AC power supply system
12/19/2012CN202616776U Maximum harmonic wave current compensating and tracking system
12/19/2012CN202616775U Full-automatic control power saving device
12/19/2012CN102835018A A voltage source converter and a method for fault handling thereof
12/19/2012CN102835001A A method and a system for power management in substations
12/19/2012CN102834996A Method of operating a wind turbine, wind turbine, wind turbine controlling system, and processing system
12/19/2012CN102834288A Device and method for storing electrical energy
12/19/2012CN102832900A LC coupling solenoid filter and design method thereof
12/19/2012CN102832872A Multi-level matrix frequency converter based speed-regulating control system of mine hoist
12/19/2012CN102832842A Novel three-phase photovoltaic grid-connected inverter system
12/19/2012CN102832841A Modularized multi-level converter with auxiliary diode
12/19/2012CN102832840A Compound control method of photovoltaic grid-connected inverter
12/19/2012CN102832820A Digitalized-control low-voltage direct-current power source energy feedback type electronic loading boosting system
12/19/2012CN102832706A Distributed power stratified coordination control system of microgrid and method
12/19/2012CN102832698A Novel software phaselock technique applicable to micro-grid master-slave control
12/19/2012CN102832682A High-power charging and discharging machine with reactive compensation function
12/19/2012CN102832662A Electromobile charging, discharging and storage integrated system
12/19/2012CN102832645A Power management method for multi power supply system
12/19/2012CN102832644A System and method for controlling three-phase grid-connected inverter
12/19/2012CN102832643A Control method of three-phase photovoltaic grid-tied inverter based on inverse system
12/19/2012CN102832642A Control method of quality control system of micro source internetworking electric energy
12/19/2012CN102832641A Double-feed current transformer with reliable low-voltage ride-through capability
12/19/2012CN102832640A DSP (digital signal processor) based photovoltaic networking system bifurcation controller and working method thereof
12/19/2012CN102832639A DSP (digital signal processor) based energy-feedback electronic load grid-connected inverting system and control method thereof
12/19/2012CN102832638A Wind farm low voltage ride-through control system based on battery energy storage
12/19/2012CN102832637A Reverse current preventing method for photovoltaic power station
12/19/2012CN102832636A Security control mechanism for distributed photovoltaic system
12/19/2012CN102832635A Wind power generation networking control system based on direct driving modulation multi-level converter
12/19/2012CN102832634A Combined type power stabilizing system based on super-capacitor and high-capacity energy storing device
12/19/2012CN102832633A Instable energy source integration input device
12/19/2012CN102832632A Controllable interphase power transfer method and system
12/19/2012CN102832631A Integrated governance device for electric energy quality
12/19/2012CN102832630A Integrated governance device for electric energy quality
12/19/2012CN102832629A TCSC (thyristor controlled series compensator) and SVC (static var compensator) joint debugging control system and working method based on saddle node bifurcation theory
12/19/2012CN102832628A Compensating capacitor bank switching method and compensating capacitor bank switching device
12/19/2012CN102832627A Power network model-based wind power field automatic voltage control method
12/19/2012CN102832626A Series reactor regulating system
12/19/2012CN102832625A Mathematical model for optimal configuration of power distribution network filtering devices
12/19/2012CN102832624A Networked dispatching system for charging piles of electric automobile with power distribution network
12/19/2012CN102832623A Method for controlling operation of three-winding transformers
12/19/2012CN102832622A Method and device for regulating capacitance of on-load capacitance regulating transformer
12/19/2012CN102832621A Adaptive RBF (radial basis function) neural network control technique for three-phase parallel active filters
12/19/2012CN102832620A System and method for harmonic detection and control of APF (active power filter) based on windowed all-phase FFT (fast Fourier transform)
12/19/2012CN102832619A Adaptive control method of single-phase shunt active power filter
12/19/2012CN102832618A Practical method for calculation of closed-loop impact current of power distribution network based on combination of power transmission network and power distribution network
12/19/2012CN102832617A Large power grid transient state stabilization analyzing method based on precision pattern discrimination
12/19/2012CN102832616A Node voltage calculation method and device for power system
12/19/2012CN102832615A Devices and methods for providing driving voltage to one or a plurality of SPD loads
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