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)
09/2010
09/21/2010US7800247 Storage system that maximizes the utilization of renewable energy
09/21/2010US7800246 Electronic device with redundant fan control function
09/21/2010US7800245 Method and architecture for reduction in vehicle wiring
09/21/2010CA2556191C Power system protection system
09/18/2010CA2696617A1 Reactive power compensator
09/16/2010WO2010103650A1 Autonomous distributed ac power system
09/16/2010WO2010103348A1 System and method for real-time feeder reconfiguration for load balancing in distribution system automation
09/16/2010WO2010102953A1 Energy supply system
09/16/2010WO2010102667A1 A modular voltage source converter and an energy source unit
09/16/2010WO2010102662A1 Control device, reactive power compensator and method
09/16/2010WO2010086843A3 System and apparatus for increasing electrical power availability
09/16/2010WO2010082981A3 Method and apparatus for controlling a hybrid power system
09/16/2010US20100232190 Conversion of ac lines to hvdc lines
09/16/2010US20100231182 Induction regulator for power flow control in an ac transmission network and a method of controlling such network
09/16/2010US20100231055 Electronic control systems and methods
09/16/2010US20100231045 Photovoltaic Power Plant Output
09/16/2010US20100231043 Master/slave power strip with delay mechanism
09/16/2010US20100231040 Mobile auxilliary power system for electrical distribution and transmission systems
09/16/2010US20100231039 Device for the ignition and the start-up of silicon rods
09/16/2010DE102009052657A1 Beleuchteter Mehrwegeschalter für elektrische Verbraucher in einem Gebäudestromnetz Illuminated multi-way switch for electrical loads in a building's electrical system
09/16/2010DE102009011053A1 Windparkregler Wind farm controller
09/16/2010DE102008063250A1 Verfahren und System zur Nutzung erneuerbarer Energiequellen Method and system for renewable energy
09/16/2010CA2753998A1 Control device, reactive power compensator and method
09/16/2010CA2746166A1 Autonomous distributed ac power system
09/15/2010EP2228880A1 An improved electrical power supply system for tunnels, particularly for road tunnels
09/15/2010EP2227856A1 Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility grid
09/15/2010EP2227848A2 Apparatus and method for operating a wind turbine under low utility grid voltage conditions
09/15/2010EP2227847A2 Method for controlling a grid voltage
09/15/2010CN201584792U Converter tilting energy feedback system
09/15/2010CN201584791U Energy feedback device
09/15/2010CN201584790U Low-voltage dynamic reactive power compensation device
09/15/2010CN201584789U Reactive compensation controller of high-tension reactive compensation device
09/15/2010CN201584788U Arc furnace low-voltage capacitor dynamic wattless automatic compensation device
09/15/2010CN201584787U Double-control system SVC device
09/15/2010CN201584786U Composite module
09/15/2010CN201584785U Isolation transformer type multi-level voltage output movable three-phase stabilized voltage power supply
09/15/2010CN201584784U Active power filter with energy storage function
09/15/2010CN201584783U Bird damage preventing AC and DC filter bank
09/15/2010CN201584781U Power-supply system breaking through bottleneck of rapidly developing wind power
09/15/2010CN201584281U High-voltage booster transformer
09/15/2010CN201583584U Harmonic current detection filter device of active power filter
09/15/2010CN201582036U Stereoscopic matrix hydraulic power station constructed by miniature hydraulic generating sets
09/15/2010CN101836342A Electrical switchgear, particularly for connecting generators and thrusters in dynamically positioned vessels
09/15/2010CN101834635A Relay optimizing method of low-voltage carrier networking
09/15/2010CN101834542A Power conversion apparatus, power conditioner and power generation system
09/15/2010CN101834452A Back-to-back converter for high-voltage alternating current drive
09/15/2010CN101834451A High-voltage back-to-back converter
09/15/2010CN101834450A Power generation system and inverter for feeding power into a three-phase grid
09/15/2010CN101834449A System and method for improving power grid stability
09/15/2010CN101834448A Method for restraining sub-synchronous oscillation of power system based on SSSC (Static Synchronous Series Compensator)
09/15/2010CN101834447A Method for suppressing sub-synchronous oscillation based on thyristor controlled reactor
09/15/2010CN101834446A Sub-synchronous oscillation suppression method based on controlled series compensation
09/15/2010CN101834445A Intelligent energy-saving integrated power capacitor reactive compensation module
09/15/2010CN101834444A Active filtering reactive power compensation device
09/15/2010CN101834443A Method for balancing three-level direct current midpoint voltage by using time factor
09/15/2010CN101834442A Novel efficient special-procurement power supply circuit for low-voltage distribution system
09/15/2010CN101834441A User power supply voltage and load current control device working according to electric network requirements and user need
09/15/2010CN101834440A Research method of novel high-efficient power supply equipment for special needs for low-voltage distribution system
09/15/2010CN101834439A Novel efficient special-procurement power supply controller for low-voltage distribution system
09/15/2010CN101834438A Distribution network state and operation mode optimization method based on DSCADA system
09/15/2010CN101834431A Method for preventing grid-connected island effect of distributed power source
09/15/2010CN101431239B Method for implementing credible locking of major-minor carrying apparatus of stabilization control device
09/15/2010CN101425686B Electrical power system on-line safety and stability evaluation forecast failure collection adaptive selection method
09/15/2010CN101363885B Method for discriminating voltage instability and load angle instability based on thevenin equivalent
09/14/2010US7796411 Universal three phase controllers for power converters
09/14/2010US7795848 Method and circuit for generating output voltages from input voltage
09/14/2010US7795839 Parallel hybrid vehicle optimal storage system
09/14/2010US7795757 Power electronic architecture for managing fuel cell modules and method therefor
09/14/2010US7795754 Slope control device capable of predicting uniform-current-sharing level and method thereof
09/14/2010US7795753 Fuel cell control system
09/14/2010CA2651605C Power system protection system
09/10/2010WO2010099831A1 Poly-phase reactive power compensator
09/10/2010WO2010078132A3 Hybrid distribution network power restoration control
09/10/2010WO2010077488A3 System for monitoring and assessing electrical circuits and method of operation
09/10/2010WO2010045092A3 Short-term load forecasting based capacity check for automated power restoration of electric distribution networks
09/10/2010CA2753992A1 Poly-phase reactive power compensator
09/09/2010US20100226049 Systems and Methods for Protecting a Series Capacitor Bank
09/09/2010US20100225167 Power management system and method of operating the same
09/09/2010US20100225166 Bi-Level Switching With Power Packs
09/09/2010DE102009011757A1 Controller for small power grids for use as interface between one or more current generators and individual electricity consumers, comprises energy distributor for branching of electrical power from feeder line to multiple consumer lines
09/08/2010EP2226928A1 Semi-direct variable speed drive with N+1 power availability
09/08/2010EP2226926A1 Five-level inverter
09/08/2010EP2226500A2 Wind farm regulator
09/08/2010EP2225813A1 Adjusting distributed storage of solar electrical power responsive to changes in supply and demand
09/08/2010EP2225812A2 Frequency sensitive lighting control device
09/08/2010CN201577063U Special power saving device for fans and water pumps
09/08/2010CN201577057U Output control system of wind driven generator
09/08/2010CN201577038U Electronic servo transformer
09/08/2010CN201576943U Capacitance compensation voltage regulating energy saver
09/08/2010CN201576942U Module parallel-type static var generator
09/08/2010CN201576941U Hybrid active power filter circuit
09/08/2010CN201576940U Device adopting 'passive' mode for suppressing electric network harmonic wave
09/08/2010CN201576939U Low pass filter
09/08/2010CN201576938U Active state variable band-pass filter
09/08/2010CN201576937U Saving power and mains switching circuit of power saving device
09/08/2010CN1956286B Detection of islanding in power grids
09/08/2010CN1792665B Electrization railway AC feed system
09/08/2010CN1732606B Hybrid power flow controller and method
09/08/2010CN1602535B Method for predicting a future voltage and/or current curve
09/08/2010CN101828331A Power system having dual synchronization
1 ... 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 ... 387