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)
11/2007
11/21/2007CN101076931A Electric power flow control
11/21/2007CN101075744A Method for optimizing and allocating capacitor of reactive compensator
11/21/2007CN101075743A Method for packeting capacitor with reactive compensation adjusting precision not less than 10%
11/21/2007CN101075742A Network harmonic and flash comprehensive inhibitor
11/21/2007CN101075741A Method for evaluating non-linear dynamic state with loading voltage characteristics
11/21/2007CN101074086A Suspended electric network power supplier for port container tyre
11/21/2007CN100350710C Power economizer
11/21/2007CN100350693C Switching fault detection control device for compensation capacitance
11/21/2007CN100350153C Wind power plant
11/20/2007US7299212 Security constrained optimal dispatch for load prediction for electricity markets
11/20/2007CA2309986C Man-machine interface for a custom tabular display
11/18/2007CA2589635A1 Power restoration system for electrical power network
11/15/2007WO2007070255A3 Location determination of power system disturbances based on frequency responses of the system
11/15/2007WO2007046547A3 Charged/discharged power control for a capacitor type energy storage device
11/15/2007WO2005079520A3 More compact and higher reliability power source system
11/15/2007US20070262756 System and method for phase management in a multiphase switching power supply
11/15/2007US20070262646 Multifunctional Multi-Outlet of Saving Electric Power and a Control Method Employing the Same
11/15/2007DE19600547B4 Schutzschaltung für einen Umrichter für ein elektrisches Netzsytem Protection circuit for a power converter for an electric Netzsytem
11/15/2007DE102006017802A1 Energieübertragungseinheit Power transmission unit
11/14/2007EP1855367A1 Method and device for injecting reactive current during a mains supply voltage dip
11/14/2007EP1854963A2 Methods and apparatus for electric power grid frequency stabilization
11/14/2007CN200976561Y Superconducting magnetic energy storage based variable constant frequency dual-fed wind power generator excitation frequency transformer
11/14/2007CN200976497Y Mixed active power supply filter
11/14/2007CN200976496Y AC power switch apparatus
11/14/2007CN200976495Y Electricity-saving household circuit
11/14/2007CN101073189A Electric-power supply system, and vehicle
11/14/2007CN101071957A Ups methods, systems and computer program products providing adaptive availability
11/14/2007CN101071954A Parallel-working sine ware inverter
11/14/2007CN101071948A High-efficiency single-phase and three-phase grid-connected generating system
11/14/2007CN101071947A Rotary electro magnetic electric energy quality comprehensive control device
11/14/2007CN101071946A Large-capacity dynamic reactive power compensating system
11/14/2007CN101071945A Computing method of calculation amount data for power dispatching automation system
11/14/2007CN100349352C Ambiguity type power system stabilizer parameter self-optimization method and self-optimization device
11/14/2007CN100349351C stand-by energy-saving circuit
11/13/2007CA2174569C Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation
11/08/2007WO2007126321A1 Pick-up apparatus for inductive power transfer systems
11/08/2007WO2007098632A3 Converter control unit using time-stamped voltage or current phasors
11/08/2007WO2006131017A3 Damping electromechanical oscillations in power systems
11/08/2007WO2006088509A3 Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators
11/08/2007US20070257561 Method and a Device for Selecting and Dimensioning Measures in a Case of Instability in an Electrical Power
11/08/2007US20070257559 Automatic Sensing Power Systems and Methods
11/07/2007EP1852962A1 Power conversion apparatus
11/07/2007EP1852952A1 System stability control method and system for electric power system
11/07/2007EP1851842A2 Independent automatic shedding branch circuit breaker
11/07/2007EP1851777A1 Systems and methods for distributed series compensation of power lines using passive devices
11/07/2007EP1634366A4 Frequency controlled resonant converter
11/07/2007EP1631973B1 Magnetic core with cooling capabilities and method for its producing
11/07/2007CN200973020Y Reactive compensation device with local radio digital transmission station
11/07/2007CN200973019Y Environment protection electric saver for user electric network
11/07/2007CN200973017Y Power-supply protector of high power flexible AC electric-saving cabinet
11/07/2007CN101069334A High-voltage direct-current transmission device
11/07/2007CN101069246A 电力电缆线路 Power cable lines
11/07/2007CN101068387A Rural area middle and small size communication transmission base station power supply device and method thereof
11/07/2007CN101068082A Comprehensive compensating device and method
11/07/2007CN101068081A Electricity net safety stable controlling system testing method
11/07/2007CN101066704A An electrical power supply arrangement for an aircraft
11/07/2007CN100347928C Photovoltaic parallel network device having reactive and harmonic compensation function
11/07/2007CN100347927C Dynamic compensator for voltage down and surge
11/07/2007CN100347926C Three-phase distributing balancing testing adjusting method for light system and light system distributing managing apparatus
11/07/2007CN100347925C Electric network power oscillation inhibitor based on photovoltaic battery
11/07/2007CN100347924C Large volume static reactive generator
11/07/2007CN100347923C Static reactive compensator able to continuously regulating capacity reactive
11/07/2007CN100347922C Electric energy mass and powerless compensation combination controller
11/07/2007CN100347921C Distribution type integrated electric energy quality regulator
11/07/2007CN100347920C Electric system harmonic suppressing method and its device based on full analogue device
11/06/2007USRE39908 Secondary battery power storage system
11/06/2007US7292006 Controlled DC power supply for a human powered vehicle
11/06/2007US7291938 Power supply apparatus and method based on parasitic power extraction
11/06/2007US7291937 Operating method for a wind turbine with a supersynchronous cascade
11/01/2007WO2007122849A1 System interconnection power conditioner and system interconnection power supply system
11/01/2007WO2006063151A3 Electric induction control system
11/01/2007US20070255461 Automatic energy management and energy consumption reduction, especially in commercial and multi-building system
11/01/2007US20070255460 Integrated current fault controller
11/01/2007US20070253181 Rack mountable power distribution apparatus
11/01/2007US20070252716 Solar Inverter and Photovoltaic Installation Comprising Several Solar Inverters
11/01/2007US20070252574 Device for Adjusting the Impedance of a High Voltage Line Supplying an Alternating Current
11/01/2007US20070252439 Automatic Sensing Power Systems and Methods
11/01/2007US20070252438 Automatic Sensing Power Systems and Methods
11/01/2007US20070252437 Automatic Sensing Power Systems and Methods
11/01/2007US20070252436 Automatic Sensing Power Systems and Methods
11/01/2007US20070252390 Renewable Energy Resources
10/2007
10/31/2007EP1850441A2 Improvements relating to electrical power transmission
10/31/2007EP1850440A1 Building energy management system
10/31/2007EP1057234A4 Anti-islanding method and apparatus for distributed power generation
10/31/2007CN200969518Y Transformer station voltage front-and-back reactive automatic regulation device
10/31/2007CN200969517Y Simple null current commutation circuit
10/31/2007CN200969516Y High voltage dynamic control harmonic treatment apparatus
10/31/2007CN200969515Y Transformer station voltage reactive harmonic comprehensive treatment apparatus
10/31/2007CN200969514Y Electric energy quality and static reactive compensation combined control apparatus
10/31/2007CN200969513Y Serial coupling protector for electric energy quality and static reactive compensation combined control apparatus
10/31/2007CN200969056Y Single-revolution control based dynamic voltage compensator control device
10/31/2007CN101064533A Electrical power system for reducing signal loop and electric line communication module
10/31/2007CN101064434A Method for feeding back switch power supply aging energy and realizing circuit
10/31/2007CN101064433A Non-bridge type power factor calibrating circuit and its control method
10/31/2007CN101064432A Voltage dynamic regulation circuit of power factor corrector
10/31/2007CN101064431A Method for replacing 10kV distributing transformer with charge
10/31/2007CN100346570C Loading voltage distribution controlling system of intermittent small wind-driven generator
10/31/2007CN100346552C Seamless switching technique for incorporation PWM inverter into power network based on amplitude adjustment of output voltage
10/31/2007CN100346551C Modular parallel digital control electric harmonic wave active suppressing method and apparatus
10/31/2007CN100346550C Control method for restraining oscillate based on mixed electric power filter
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