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)
11/2008
11/05/2008CN101299541A Supervoltage magnetic-controlled shunt reactor excitation equipment
11/05/2008CN101299540A Apparatus for implementing low voltage cross-over of wind generator set
11/05/2008CN101299539A Large electric network on-line preventing control method based on static state and transient safety steady mode
11/05/2008CN101299530A Intelligent joining-cutting method for large electrified wire netting equipment overloading on-line sensitiveness
11/05/2008CN101299517A Centralized remote electric power system
11/05/2008CN101299251A Middle and long period power load prediction method based on probability inverse conversion method
11/05/2008CN100431236C Voltage control for wind generators
11/05/2008CN100431232C Estimating of power transmission net state
11/04/2008US7447567 Electric power system suppressing corona discharge from viewpoint of environment
11/04/2008US7446512 Resonant switching power supply device
11/04/2008US7446432 Electronic device having path of power supplied to display part switched according to whether external power is supplied
11/04/2008US7446425 Cooperative control apparatus
10/2008
10/30/2008US20080265848 Electric Power Flow Control
10/30/2008US20080265679 Transfer switch system with neutral current management
10/30/2008US20080265678 Portable Power Supply
10/30/2008US20080265677 Multi-outlet safety power strip
10/30/2008US20080265676 High voltage power controlling apparatus of image forming apparatus and method thereof
10/30/2008US20080265675 External transformation socket
10/30/2008US20080265672 Multiple sources of operating power to a load
10/30/2008DE102007019164A1 Circuit arrangement for feeding high voltage from three-phase network, has three conductors in three transmission lines each with two cable leads charged with alternating voltage
10/30/2008DE102007018888A1 Windenergieanlage mit Blindleistungsvorgabe Wind turbine with reactive power setpoint
10/30/2008DE102007018343A1 Aktivfilter mit einer Multilevel-Topologie Active filter with a multi-level topology
10/29/2008EP1986303A1 Peer-to-peer transaction-based power supply methods and systems
10/29/2008CN201142578Y Reactive compensator with harmonic suppression function
10/29/2008CN201142577Y Wireless or CAN bus program controlled remote electric load control module
10/29/2008CN201142576Y Three-phase four-wire system active filter device for electrolyser
10/29/2008CN201142575Y Mining flame-proof type dynamic active filter
10/29/2008CN101297472A Connecting a prime mover driven alternator to a circuit with an existing alternating current
10/29/2008CN101297469A A transmission system and a method for control thereof
10/29/2008CN101297468A Regulation method of DC power transmission
10/29/2008CN101297457A A converter
10/29/2008CN101297456A A converter station
10/29/2008CN101297455A A converter station
10/29/2008CN101297449A A transmission system
10/29/2008CN101297448A A converter station
10/29/2008CN101295945A Electric energy generator and application thereof
10/29/2008CN101295878A Current control method and device of flexible DC power transmission current transformer
10/29/2008CN101295877A Control system of offshore wind power flexible DC power transmission current transformer
10/29/2008CN101295876A 10KV electric network terminal disconnection control system
10/29/2008CN101295875A Method for establishing power transmission network planning model in uncertain surroundings
10/29/2008CN100429855C Power supply wave shape correcting filter
10/28/2008US7443055 Systems and methods for providing redundant voltage regulation
10/28/2008US7443052 DC/DC converter and decentralized power generation system comprising a DC/DC converter
10/23/2008WO2008126592A1 Instantaneous voltage drop compensator
10/23/2008WO2008126399A1 Plant controller and plant control method
10/23/2008WO2008125697A2 A load management controller for a household electrical installation
10/23/2008WO2008125696A2 A load management controller
10/23/2008WO2008125493A1 Active filter having multilevel topology
10/23/2008WO2008125163A1 Method for operating a wind energy system in case of overvoltage in the grid
10/23/2008US20080262959 Electronic trading confirmation system
10/23/2008US20080262857 Reducing the Cost of Distributed Electricity Generation Through Opportunity Generation
10/23/2008US20080259533 Power distribution unit with two pole circuit breaker
10/23/2008US20080258559 Electric Power Flow Control
10/23/2008US20080258558 Multiple generator loadcenter and method of distributing power from multiple generators
10/23/2008US20080258557 Multiple generator loadcenter and method of distributing power from multiple generators
10/23/2008DE102007018952A1 Integrated network information and control system for motor vehicle, detects information such as current, from generator and processes information according to algorithms and controls voltage system and energy system by actuators
10/23/2008CA2629791A1 Switchgear bus support system and method
10/23/2008CA2629681A1 Multiple generator loadcenter and method of distributing power from multiple generators
10/23/2008CA2629642A1 Multiple generator loadcenter and method of distributing power from multiple generators
10/22/2008CN201138755Y Phase controlled intelligent throw-cut device for capacitor
10/22/2008CN201138754Y Three-phase automatic electricity economizer
10/22/2008CN201138753Y Pressure regulating typed reactive compensator
10/22/2008CN201138752Y Reactive compensator for capacitor
10/22/2008CN201138604Y Synthetic loss reducing apparatus for distributing transformer
10/22/2008CN201137481Y Oil pumping machine dragging integral energy-saving device
10/22/2008CN101291129A Wind power electricity generating apparatus
10/22/2008CN101291081A Data sampling and transmission module for power distribution system
10/22/2008CN101291071A Electric inverter for direct grid connecting of wind power generation
10/22/2008CN101291070A Controlling method for high-efficient outputting of photovoltaic parallel-net power generating system
10/22/2008CN101291069A Photovoltaic parallel-net power generating system realizing on-line capacity enlarging
10/22/2008CN101291068A Driving system for wind power generation of parallel net type with generated power totally monitored
10/22/2008CN101291067A Graphic method for synchronism checking
10/22/2008CN101291066A Combining apparatus of passive filtering and active reactive-load compensator
10/22/2008CN101291065A Linear harmonic suppressing apparatus in low voltage distributing network
10/22/2008CN101291064A Low-voltage active electric power filter adopting 3 single-phase H bridge type
10/22/2008CN101291063A Scheduling method of energy conservative power generation
10/22/2008CN101291062A Analysis method of DC power flow in dynamic topology electric network
10/22/2008CN101291061A Status estimating method for dynamic process of electrical power system
10/22/2008CN101291060A An intelligent electronic device for substation or distribution automation systems
10/22/2008CN101291059A Electricity quality analyzer oriented to digitalized electrical system and electricity quality analysis method
10/22/2008CN101291058A Double AC bus synchronizing apparatus for AC sourced system
10/22/2008CN101291057A Dynamic voltage compensator adopting 3 phase structure
10/21/2008US7439635 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system
10/21/2008US7439633 Power supply
10/18/2008CA2624208A1 Power distribution unit with two pole circuit breaker
10/16/2008WO2008122253A1 Method and device for determining the contribution to electrical disturbances
10/16/2008US20080252222 Systems and methods for driving light-emitting diodes
10/16/2008US20080252174 Energy harvesting from multiple piezoelectric sources
10/16/2008US20080252147 Modular multiple-circuit electrical system
10/16/2008US20080252143 Method and Device For Injecting Reactive Current During a Mains Supply Voltage Dip
10/16/2008US20080252142 Apparatus for Electrical Power Transmission
10/16/2008US20080252141 Energy management system and method
10/16/2008US20080252076 Wind Power Plant Comprising a Reactive Power Module For Supporting a Power Supply System and Corresponding Method
10/16/2008DE102007017870A1 Verfahren zum Betreiben einer Windenergieanlage bei Überspannungen im Netz A method for operating a wind turbine at overvoltages in the system
10/16/2008DE102007016635A1 Electrical energy distributing device for power grid, has control units designed, such that one of connectors is disconnected from power grid by signal and other connector remains connected with grid in emergency power supply mode
10/16/2008DE102007016281A1 Hybrid system for providing electrical energy e.g. biogas, has fermenter with micro-gas turbine that is operated with biogas produced in fermenter, where waste heat of electrical generator is supplied to fermenter via heat exchanger
10/16/2008DE102007016280A1 Hybrid plant for supplying electrical energy, has heat exchanger supplying heat from combustion process of biogas to heat accumulator, and electrical heating element supplying heat to biogas system
10/15/2008EP1981144A2 Energy management system
10/15/2008EP1980059A1 Communication structure for solar inverters
10/15/2008EP1980006A1 Controlled series compensator and method
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