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)
08/2012
08/16/2012WO2012109236A1 Method and system for operating a flow battery system based on energy costs
08/16/2012WO2012108684A2 Electric device and power management apparatus for changing demand response (dr) control level
08/16/2012WO2012108594A1 Method and system for controlling a wind power generating station in the event of a sudden change in wind speed
08/16/2012WO2012107242A1 Method and circuit arrangement for operating a load
08/16/2012WO2012107127A1 Energy storage device for a separately excited electrical machine
08/16/2012WO2012062323A3 Method and system for operating a wind turbine
08/16/2012WO2012058680A3 Regenerative power charging for electricity generation systems
08/16/2012WO2012051046A3 Photovoltaic inverter with control for performing low voltage ride through
08/16/2012US20120205987 Electrical phase synchronization
08/16/2012US20120205986 Multiple single phase generator configuration
08/16/2012US20120205980 Stand-alone electric power generation unit
08/16/2012DE112009005003T5 Systeme und Verfahren zum Liefern von Leistung Systems and methods for providing power
08/16/2012DE102012202130A1 Elektrisches Stromversorgungssystem An electric power supply system
08/16/2012CA2826927A1 Electric device and power management apparatus for changing demand response (dr) control level
08/15/2012EP2487770A1 Power supply system
08/15/2012EP2487769A1 Specification selection device of power storage system and specification selection method of power storage system
08/15/2012EP2487768A1 Electric device and power management apparatus for changing demand response (DR) control level
08/15/2012EP2487767A1 Energy access control
08/15/2012EP2486640A2 System and apparatus for interconnecting an array of power generating assemblies
08/15/2012EP2485915A2 Method and apparatus of stored energy management in battery powered vehicles
08/15/2012CN202385371U Electronic ballast for fluorescent lamp
08/15/2012CN202384778U Photovoltaic grid-connected inverter power supply
08/15/2012CN202384777U Dynamic resistor for low voltage ride through (LVRT) of doubly-fed wind generating set
08/15/2012CN202384776U Photovoltaic (PV) power generation system
08/15/2012CN202384775U Solar energy photovoltaic grid-connected inverter
08/15/2012CN202384774U Three-phase inverter device base on digital control technology
08/15/2012CN202384773U Distributed control solar energy photovoltaic grid-connected system
08/15/2012CN202384772U Mine hot furnace energy-saving control device
08/15/2012CN202384771U Switching switch based on double-capacitance intelligent capacitor
08/15/2012CN202384770U Intelligent low-voltage dynamic reactive compensation device
08/15/2012CN202384769U Electricity-discharging device
08/15/2012CN202384768U Urban substation parallel capacitor device
08/15/2012CN202384767U Novel harmonic source simplified circuit model
08/15/2012CN202384766U 有源滤波装置 Active filter device
08/15/2012CN202384765U Novel power supply filter
08/15/2012CN202384764U Active electric power filter
08/15/2012CN202384763U Active electric power filter
08/15/2012CN202384762U 35kV shunt hybrid electrical network harmonic wave active filtering integrated device
08/15/2012CN202384685U Capacitance compensation cabinet
08/15/2012CN202384678U Minitype parallel capacitor device of city substation
08/15/2012CN202384661U Reactive power compensation cabinet
08/15/2012CN202383823U Remote control and signaling box for field detection of low-voltage reactive compensation terminal
08/15/2012CN202380472U Unified foundation for implementing interchange of capacitor bank and reactor bank on same site
08/15/2012CN1982851B Encoder device and method
08/15/2012CN1964153B System and method for controlling power flow of electric power generation system
08/15/2012CN102640391A Electric power distribution system
08/15/2012CN102640390A Power control apparatus and power control method using same
08/15/2012CN102640389A Method and system for distributed power management
08/15/2012CN102640384A Device for monitoring source of electric power supplied to storage battery in power supply system
08/15/2012CN102640378A Utilization of distributed generator inverters as statcom
08/15/2012CN102640377A Energy storage system
08/15/2012CN102640376A Power distribution system for building and protection method for main line thereof
08/15/2012CN102640374A Line fault detector
08/15/2012CN102638157A Unit H-bridge module bypass circuit of chain type static synchronous compensator (STATCOM)
08/15/2012CN102638116A Multi-phase permanent-magnet high-voltage wind driven generator and system thereof
08/15/2012CN102638059A Single-phase photovoltaic grid-connected generating system power decoupling circuit and control method thereof
08/15/2012CN102638058A Grid-connected control system and method for variable-speed constant-frequency (VSCF) double-rotor permanent magnet wind generator
08/15/2012CN102638057A Grid-connected inverter control device
08/15/2012CN102638056A Direct-drive type grid-connected wind generating set
08/15/2012CN102638055A Model design for small-size micro-grid system
08/15/2012CN102638054A Small-power photovoltaic grid-connected inverter control system and control method thereof
08/15/2012CN102638053A Solar grid-connected inverter with maximum power point tracking (MPPT) system
08/15/2012CN102638052A Input signal equivalent based accelerating power type PSS (packet switching service) parameter tuning method
08/15/2012CN102638051A Method and system for analyzing power fluctuation of interconnection tie of three-area-interconnected power system
08/15/2012CN102638050A Reactive power compensation device and compensation method
08/15/2012CN102638049A Direct-current bus inter-phase voltage balancing control method for chained type triangular connection STATCOM (Static Synchronous Compensator)
08/15/2012CN102638048A Automatic bypass processing method of H-bridge cascaded chain type static synchronous compensator (STATCOM)
08/15/2012CN102638047A Three-phase unified power quality control device with bypass switches
08/15/2012CN102638046A Wiring detection training system for intelligent reactive automatic capacitance compensation control devices
08/15/2012CN102638045A Modular parallel inverting system with loading self-adapting function and control method thereof
08/15/2012CN102638044A Control method for predicating switching signal of three-phase four-wire active filter
08/15/2012CN102638043A APF (Active Power Filter)parallel system and control method thereof
08/15/2012CN102638042A Novel star-like power filter
08/15/2012CN102638041A Method forquickly checking safety and stability of scheduling operation of power system on line
08/15/2012CN102638040A Online setting method of safety and stability emergency control fixed value of electric power system
08/15/2012CN102638039A Three-phase chain-type static synchronous compensator
08/15/2012CN102638038A Parallel charging and discharging power conversion system
08/15/2012CN102638037A Power supply control method and power supply control system of communication equipment as well as power supply system
08/15/2012CN102638036A Assistant decision-making method for fast branch overloads in plan security check
08/15/2012CN102638035A Method and system for controlling a DC link voltage of a power converter
08/15/2012CN102638032A Arc suppression coil device on basis of single-phase matrix converter
08/15/2012CN102185506B Intelligent photovoltaic inversion method
08/15/2012CN102003337B Active power control method of master station-end wind power field subject to wind power grid integration
08/15/2012CN101917126B Voltage-equalizing and power-equalizing control method for multi-module cascade solid-state transformer
08/15/2012CN101895116B Online available transmission capacity computing method based on distribution factor
08/15/2012CN101394088B Topology node numbering method for electricity grid model
08/14/2012US8242757 Constant power control apparatus and control method thereof
08/14/2012US8242634 High efficiency remotely controllable solar energy system
08/14/2012US8242628 Power supply device with low standby power consumption
08/14/2012US8242622 Method and system for communicating over neutral power lines
08/09/2012WO2012106431A1 System and method for estimating and providing dispatchable operating reserve energy capacity through use of active load management
08/09/2012WO2012106389A2 Distributed energy storage system and method of distributing energy
08/09/2012WO2012106252A1 Energy interface system
08/09/2012WO2012106029A1 Smart node
08/09/2012WO2012105105A1 Electrical power management system and electrical power management method
08/09/2012WO2012104333A1 Method for producing reactive current with a converter and converter arrangement and energy supply plant
08/09/2012WO2012104128A1 On-load tap changer control method, excitation control system carrying out said control method and power excitation chain
08/09/2012WO2012104127A1 On - load tap changer control method for a power excitation chain, related unit and power excitation chain comprising such unit
08/09/2012WO2012103951A2 Power electronic converter
08/09/2012WO2012103936A1 Method for eliminating a fault on a high-voltage dc line, system for transmitting an electric current via a high-voltage dc line, and converter
1 ... 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 ... 387