Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
01/2013
01/30/2013CN102904275A New energy grid connection system and achieving method thereof
01/30/2013CN102904274A Power plant control system and method for influencing high voltage characteristics
01/30/2013CN102904273A Maximum power point tracking (MPPT) control of energy conversion system and relevant method
01/30/2013CN102904272A Energy conversion system with improved transient event ride through and method
01/30/2013CN102904271A Traction contact system
01/30/2013CN102904270A Three-phase current unbalance adjusting system for power distribution network
01/30/2013CN102904269A Reactance filtering energy economizer
01/30/2013CN102904268A Three-joint-regulation reactive power compensation system
01/30/2013CN102904267A Dynamic reactive power compensation open-loop control device and method
01/30/2013CN102904266A Method for determining inactive compensation capacity network adaptability of wind power plant
01/30/2013CN102904265A Transformer station voltage reactive control method and system based on region tidal current
01/30/2013CN102904264A High-voltage reactive power automatic compensation device
01/30/2013CN102904263A Quick magnetizing and demagnetizing device based on magnetically controlled reactor (MCR)
01/30/2013CN102904262A Transformer characteristic test comprehensive compensation system based on static var generator (SVG)
01/30/2013CN102904261A High voltage reactive compensation control method based on tri-level inversion technology
01/30/2013CN102904260A Low-voltage capacitor equipment, reactive compensation control system and reactive compensation control method
01/30/2013CN102904259A PAM (pulse amplitude modulation)-inverter-based cascade STATCOM (static synchronous compensator) control method
01/30/2013CN102904258A Controller system and method
01/30/2013CN102904257A 配电系统 Distribution system
01/30/2013CN102904256A Method and system for rapid self-healing of power grid
01/30/2013CN102904255A Analysis sensitivity-based under voltage load shedding optimal control method for power system
01/30/2013CN102904254A Method for simulating harmonics of power system to be connected with electrified railway
01/30/2013CN102904253A Operation method and system for controlling an electromechanical transducer
01/30/2013CN102904252A Method for solving uncertainty trend of power distribution network with distributed power supply
01/30/2013CN102904251A Method for system for configuring thermal power generating units to carry out self-healing of power grid
01/30/2013CN102904250A Power coordinated control method of AC-DC (alternating current-direct current) locomotive under working condition of low system voltage
01/30/2013CN102904249A Security constraint-based real-time generation planning method
01/30/2013CN102904248A Electric power system dispatching method based on wind electricity output uncertainty aggregation
01/30/2013CN102904247A Distribution line type selection method based on lowest composite cost
01/30/2013CN102904246A Fast calculating method of transient stability transmission limit of point to grid power transmission system
01/30/2013CN102904245A System and method for power curtailment in a power network
01/30/2013CN102904239A Reactive compensation discharge device
01/30/2013CN102901919A Double-feedback type induction generating system and self-testing method of active crowbar circuit thereof
01/30/2013CN102900550A Control system for diesel generator set
01/30/2013CN102897615A Electricity feedback device and method of elevator and elevator
01/30/2013CN102255322B Method for interactively iterative control of voltage reactive power of regional power grid
01/30/2013CN102097826B Doubly salient electromagnetic wind power generation system structure and control method
01/30/2013CN102082434B Optimal strategy and performance evaluation method controlled by multi-target section tidal current
01/30/2013CN102074968B Photovoltaic miniature grid-connected inverter control device and control method thereof
01/30/2013CN102035402B Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter
01/30/2013CN101976841B Balance matching method for all classes of load forecasting indexes of power system
01/30/2013CN101860033B Photoelectric trigger device based on thyristor switched capacitor
01/30/2013CN101847873B Novel nonlinear control method for active filter
01/29/2013US8364287 Apparatus, system, and method to manage the generation and use of hybrid electric power
01/29/2013US8362649 Multi-use voltage regulator
01/29/2013US8362648 Electric power supply system
01/29/2013US8362646 Safety device for plug and play solar energy system
01/29/2013US8362641 Distributed wind turbine electric generation system
01/29/2013US8362640 System and method of controlling a plurality of energy loads and energy supplies in a coordinated manner
01/26/2013CA2784999A1 Devices and methods for decentralized coordinated volt/var control
01/26/2013CA2783427A1 Devices and methods for decentralized voltage control
01/26/2013CA2783426A1 Devices and methods for decentralized volt/var control
01/26/2013CA2783381A1 Devices and methods for decentralized power factor control
01/26/2013CA2783287A1 Devices and methods for decentralized power loss reduction control
01/24/2013WO2013013174A2 Dispatchable renewable energy generation, control and storage facility
01/24/2013WO2013013162A2 Identification of electrical grid phase information for end-points in a grid network
01/24/2013WO2013012831A2 Method and apparatus for controlling a hybrid power system
01/24/2013WO2013012677A2 Real-time photovoltaic power plant control system
01/24/2013WO2013012566A1 Apparatus for decentralized coordinated volt/var control (cvvc)
01/24/2013WO2013012499A1 Automated systems and methods for controlling localized load conditions to extend electrical distribution system component life
01/24/2013WO2013011758A1 Storage battery system and method for controlling same
01/24/2013WO2013011739A1 Information processing device, information processing method, program, recording medium, and information processing system
01/24/2013WO2013011725A1 Control device for equipment
01/24/2013WO2013011221A1 Measurement and modulation in real time of the electrical consumption of a plurality of electrical appliances
01/24/2013WO2013011046A1 Photovoltaic system with biased power inverter
01/24/2013WO2013010410A1 Solar power photovoltaic three-phase micro-inverter system and method for improving conversion efficiency thereof
01/24/2013WO2013010266A1 Method and system for providing local primary frequency response
01/24/2013WO2012165986A3 "energy management equipment"
01/24/2013WO2012062498A3 Method for controlling the energy circulations in an object
01/24/2013US20130024040 System and method for controlling voltage on a distribution feeder
01/24/2013US20130020875 Battery pack for an electronic device
01/24/2013US20130020869 Arrangement for Power Supply for a reactor for production of polysilicon with a frequency converter
01/24/2013US20130020867 Self synchronizing power converter apparatus and method suitable for auxiliary bias for dynamic load applications
01/24/2013DE202012104774U1 Vorrichtung sowie Biomassekraftwerk Apparatus and biomass power plant
01/24/2013DE102012212878A1 Energieversorgungssystem Power supply system
01/24/2013DE102011108255A1 Verfahren zur adaptiven Regelung der Versorgungsspannung in Ortsnetzen A method for adaptive control of the supply voltage in local networks
01/24/2013CA2844443A1 Dispatchable renewable energy generation, control and storage facility
01/24/2013CA2841347A1 Measurement and modulation in real time of the electrical consumption of a plurality of electrical appliances
01/24/2013CA2841052A1 Method and apparatus for controlling a hybrid power system
01/23/2013EP2549641A1 Device for prediction of electricity generation amount, method for same, and program for same
01/23/2013EP2549635A1 Distributed power harvesting systems using DC power sources
01/23/2013EP2549621A1 Public power source system
01/23/2013EP2549617A2 Electrical quantity adjusting apparatus, electrical quantity adjusting method, electrical quantity adjusting program and power supply system
01/23/2013EP2549616A1 An arrangement and a method for supplying electric power
01/23/2013EP2549615A2 System and method for controlling voltage on a distribution feeder
01/23/2013EP2549614A1 Determining the DC component in reactive power compensators comprising a mulitlevel converter
01/23/2013EP2548279A2 Power conditioning units
01/23/2013EP2548278A1 Enhancing wide area control reliability of a power transmission system
01/23/2013EP2548277A1 Static var compensator with multilevel converter
01/23/2013EP2548276A1 Method and apparatus for recording electrical consumption and production
01/23/2013EP2547956A1 Street lamp system
01/23/2013EP2232667B1 Method and system for controlling wind power plants
01/23/2013CN202696272U Wind power farm operation concentrated monitoring system
01/23/2013CN202696178U Photovoltaic electric grid-connected and off-grid integration device
01/23/2013CN202696177U Controller for switching grid-connected photovoltaic power generation system and off-grid photovoltaic power generation system
01/23/2013CN202696176U 5 kW photovoltaic grid-connected inverter
01/23/2013CN202696175U Simulator of ''active power-reactive power'' type full power converter
01/23/2013CN202696174U Simulator of ''voltage-reactive power'' type full power converter
01/23/2013CN202696173U Simulation device of permanent-magnet direct-driven wind generating set
01/23/2013CN202696172U Improved inverter for battery discharge of electric automobile