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)
11/2009
11/11/2009	CN101577430A Power factor compensating device
11/11/2009	CN101577429A Module combined shunt active power filter system
11/11/2009	CN101577428A Single-phase module combined active power filter for tractive power supply
11/11/2009	CN101577427A Detection control method of self-adapting tuning passive power filter
11/11/2009	CN101577426A Power system state estimator applicable to wide area measurement system
11/11/2009	CN101577425A Optimal load allocating system
11/11/2009	CN101574935A Module combined power quality conditioning system for tractive power supply network
11/11/2009	CN100559309C Protection system for power distribution systems
11/10/2009	US7616621 Efficient time-division multiplexed addressing protocol
11/10/2009	US7616087 Installation for transmission of electric power
11/10/2009	US7615893 Electric control and supply system
11/10/2009	US7615886 Electronic apparatus and computer-executable program
11/10/2009	CA2402103C Computer program and method for reducing hvac demand for energy
11/05/2009	WO2009134770A1 Apparatus and method for increasing efficiency in power generation plants
11/05/2009	WO2009134115A2 Uninterrupted battery operated generator
11/05/2009	WO2009133286A1 Method for managing heating elements during electric power cut
11/05/2009	WO2009103504A3 Wind energy plant having a double-energized asynchronous generator and converter control
11/05/2009	WO2009091267A3 Selectable resonant frequency transcutaneous energy transfer system
11/05/2009	US20090273316 Method and Device for Recharging a Mobile Device Such As a Headset
11/05/2009	DE102008020731A1 Generatoreinrichtung mit Überwachung von Strompfaden Generator apparatus monitoring of current paths
11/04/2009	EP2114002A1 3-phase power conversion device
11/04/2009	EP2113994A2 Systems and methods for reducing distortion in a power source using an active harmonics filter
11/04/2009	EP2113980A2 Method for operating a wind farm
11/04/2009	EP2113979A1 Power generating device and method for operating the same
11/04/2009	EP2113140A1 Flux control system for active voltage conditioning
11/04/2009	EP1145401B1 Control equipment for thyristor-controlled series capacitor equipment, and a method for control thereof
11/04/2009	CN201341027Y Solar grid-connected power regulator with independent functions
11/04/2009	CN201341026Y Discharge device of power capacitor
11/04/2009	CN201341025Y Active power filtering and reactive power compensation device of distribution network
11/04/2009	CN201340969Y Remote-control intelligent comprehensive distribution case
11/04/2009	CN101572408A Method for improving simulation capacity of HVDC transmission system
11/03/2009	US7613549 Approach for managing power consumption in buildings
11/03/2009	US7612514 Architecture and a multiple function power converter for aircraft
11/03/2009	US7612469 Dual-input redundant power supply
11/03/2009	US7612466 System and method for coordinated control and utilization of local storage and generation, with a power grid
11/03/2009	CA2497567C Control of small distributed energy resources
10/2009
10/29/2009	WO2009129567A1 Power factor correction apparatus
10/29/2009	WO2009109700A3 Vibration dampening arrangement
10/29/2009	WO2009103505A3 Wind energy plant having converter control
10/29/2009	US20090267419 Method for smoothing alternating electric current from a number of power generating units and wind power plant including a number of wind mills with variable rotational speed
10/29/2009	US20090267415 Converter for electrical power recovery
10/29/2009	DE102008020981A1 Load-and voltage balancing method for electrical railroad network in railway station, involves selecting extraction train's starting time point within time intervals so that time point and pickup train's braking point comply with each other
10/29/2009	DE102008019724A1 Generatorenanordnung Generator arrangement
10/29/2009	CA2721929A1 Relocatable power tap
10/28/2009	CN101567567A Carrier shifting inversion large power photovoltaic grid-connection system and control method thereof
10/28/2009	CN101567566A Unit load dispatching policy
10/28/2009	CN101567565A System for compensating combined negative sequence current of power regulator and static var compensator
10/28/2009	CN101567564A Voltage and power regulator based on the composite energy storage of storage battery and super capacitor
10/28/2009	CN101567563A Method and system for controlling dispersion type power pack
10/28/2009	CN101567562A Comprehensive negative sequence and harmonic compensating system of electrified high-speed railway
10/28/2009	CN101567561A Comparing and selecting system of power transmission network planning scheme
10/28/2009	CN101567560A Photoelectric network
10/28/2009	CN101567559A Tabular method of non-intrusive electrical load decomposition
10/28/2009	CN100555837C Telescopic double-rotor generator variable speed constant frequency excitation control system
10/28/2009	CN100555795C Electric-power supply system, and vehicle
10/28/2009	CN100555794C Hybrid power filter
10/28/2009	CN100555793C Multi-channel harmonic wave restraining device
10/28/2009	CN100555792C Power distribution network energy saving and consume reducing integrated management system based on multi intelligent body and management method thereof
10/28/2009	CN100555791C Switching type power convertor and its synchronous rectifier control method
10/28/2009	CN100555153C Device for adjusting the impedance of a high voltage line supplying an alternating current
10/28/2009	CN100555129C Modular energy-generating system
10/22/2009	WO2009129122A1 Method and apparatus for designing device-to-device configurations suitable to be used in a power system
10/22/2009	WO2009128475A1 Device and method for creating operation plan of distributed power supply system
10/22/2009	WO2009127732A1 Apparatus and method for transmission line control
10/22/2009	WO2009127393A1 Wind energy system having a connection protection device
10/22/2009	US20090265042 System and Method for Providing Voltage Regulation in a Power Distribution System
10/22/2009	US20090261653 Single-input and dual-output power supply with integral coupling feature
10/22/2009	CA2721291A1 Apparatus and method for transmission line control
10/22/2009	CA2721104A1 Wind energy system having a connection protection device
10/22/2009	CA2625602A1 Standalone rg-ac system
10/21/2009	EP2109928A2 Reactive power control for operating a wind farm
10/21/2009	EP2109927A2 Multi-source, multi-load systems with a power extractor
10/21/2009	CN201332280Y Wind power generation current-transformation device
10/21/2009	CN201332279Y 电力质量控制系统 Power Quality Control System
10/21/2009	CN201332278Y Reactive compensation linkage control system for wind power station
10/21/2009	CN201332277Y Transducer redundant system of large scale wind generating set
10/21/2009	CN201332276Y Modular inverter for chain-type static synchronous compensator
10/21/2009	CN201332275Y Variable voltage reactor of 500kV and uhv transmission lines
10/21/2009	CN201332274Y Single-phase and double-phase welder reactive power compensator
10/21/2009	CN201332273Y Dynamic split-phase harmonic elimination reactive power compensation device
10/21/2009	CN201332272Y Wireless four-remote device for remote capacitor switching device
10/21/2009	CN201332271Y Electrified railway power compensator
10/21/2009	CN201332270Y Reactive compensator with multi-group filtering alleyway
10/21/2009	CN201332269Y Parallel connection type electric power active filter device
10/21/2009	CN201332268Y Adjuster for leading-out ends of live and neutral wires of AC power supply
10/21/2009	CN201332267Y 电能监控系统 Energy Monitoring System
10/21/2009	CN101562343A Energy-saving method of implementing electric power peak cutting and valley filling by adopting super capacitor
10/21/2009	CN101562342A Grouping switching dry-type self-healing high-voltage capacitor device
10/21/2009	CN101562341A Fifth and seventh filter
10/21/2009	CN101562340A Method for solving critical approximate power flow after failure of electric system
10/21/2009	CN101562339A Reliability index calculating method of power distribution system based on successful flow
10/21/2009	CN101562338A Distribution network automatic system architecture
10/21/2009	CN101562069A Power-saving winding using combined ferrite iron core
10/21/2009	CN100553106C Solar grid-connected electricity-generation energy output maximization circuit structure
10/21/2009	CN100553068C Hyposynchronous damp controller for generating set
10/21/2009	CN100553067C Coordinating action method for protecting steam generator set shafting torsional oscillation
10/21/2009	CN100553017C Fuel cell generation system
10/20/2009	US7606638 Wind park with robust reactive power adjustment system and method for the operation thereof
10/20/2009	US7606449 Adaptive switch contamination compensation
10/20/2009	US7605497 Two-source inverter

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