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)
10/2012
10/10/2012CN202488147U Ladder-type reactive compensation controller
10/10/2012CN202488146U Intelligent reactive-power tracking compensation controlling device
10/10/2012CN202488145U Modular power unit suitable for chain type dynamic electric energy control apparatus
10/10/2012CN202488144U Current measurement and protection device suitable for chain type dynamic electric energy control device
10/10/2012CN202488143U Real-time digital simulation platform used for transformer station parallel capacitor device fault analysis
10/10/2012CN202488142U Magnetic control electric reactor controller
10/10/2012CN202488141U Low-voltage reactive power compensation controller
10/10/2012CN202488140U Single-phase voltage adjusting device with opening CT (current transformer)
10/10/2012CN202488139U Harmonic filter
10/10/2012CN202488138U Dynamic harmonic suppression and power compensation device for petroleum drilling machine
10/10/2012CN202488137U Unit modular structure and integrated module for active power filter/static Var generator (APF/SVG)
10/10/2012CN202488136U High-efficient power harmonic resistant UPS system
10/10/2012CN202488135U Soft-start circuit of active power filter
10/10/2012CN202488134U Intelligent integrated power supply alternating current wiring system
10/10/2012CN202487384U Magnetic valve type controllable reactor
10/10/2012CN202487330U Online cooling device for windings of high-voltage parallel-connection compensation electric reactors
10/10/2012CN102725933A Dynamic distributed power grid control system
10/10/2012CN102725173A Method and apparatus of stored energy management in battery powered vehicles
10/10/2012CN102723905A Off-grid intelligent blower controller
10/10/2012CN102723896A Photovoltaic power generation system
10/10/2012CN102723877A Space vector modulation method of four-leg converter based on classification algorithm and apparatus thereof
10/10/2012CN102723781A Energy management system for urban power network
10/10/2012CN102723743A Coordination control method for grid-connected wind-solar hybrid generating system
10/10/2012CN102723742A Distributed energy power generation access control system
10/10/2012CN102723741A Grid connection presynchronization control method of microgrid inverter based on droop control
10/10/2012CN102723740A Stable MPPT (Maximum Power Point Tracking) control system and method of single-stage photovoltaic inverter
10/10/2012CN102723739A 风力发电系统 Wind power generation system
10/10/2012CN102723738A Modularized dynamic voltage regulating system based on cascade structure
10/10/2012CN102723737A Control method based on micro-grid multi-energy
10/10/2012CN102723736A Phase-locked control method in low voltage ride through
10/10/2012CN102723735A Island detection method and system
10/10/2012CN102723734A Voltage control method of Y-type connected direct-current bus of serially-connected H bridge multi-level grid-connected inverter
10/10/2012CN102723733A 智能风力发电控制装置 Smart wind power control device
10/10/2012CN102723732A Distribution type photovoltaic grid-connected power generation system
10/10/2012CN102723731A Unidirectional alternating-current grid-connected power generation system and method thereof
10/10/2012CN102723730A City community photovoltaic power generation station
10/10/2012CN102723729A Configuration method of an electric power conversion installation and installation implementing one such method
10/10/2012CN102723728A Variable-speed variable-frequency energy-saving power generation and distribution device
10/10/2012CN102723727A Grid connection control method of double-fed wind-driven generator
10/10/2012CN102723726A Method for determining maximal direct current receiving quantity in alternating current receiving system
10/10/2012CN102723725A Novel energy conversion system and method thereof
10/10/2012CN102723724A Novel static dynamic reactive generator device and control method thereof
10/10/2012CN102723723A Novel reactive power compensator control device and control method thereof
10/10/2012CN102723722A Parallel inverter droop control based reactive power control method
10/10/2012CN102723721A Power system reactive power optimization method based on individual optimal position self-adaptive variation disturbance particle swarm algorithm
10/10/2012CN102723720A Chained STATCOM (static compensator) control system based on serial communication manner
10/10/2012CN102723719A Dynamic reactive voltage adjusting device for high voltage line and adjusting method thereof
10/10/2012CN102723718A Capacitive method and device for improving local voltage in power network
10/10/2012CN102723717A Active power filter structure for zero current detection and control method thereof
10/10/2012CN102723716A Electric energy quality regulating device based on reactive compensation capacitor and method for controlling electric energy quality regulating device
10/10/2012CN102723715A Super capacitor and capacitance compensation circuit structure capable of eliminating low-order harmonic
10/10/2012CN102723714A Control method for three-phase three-wire active filtering apparatus
10/10/2012CN102723713A Microgrid-based flow data processing method
10/10/2012CN102723712A Method for improving transient stability analysis efficiency of electric power system
10/10/2012CN102723711A Cable power distribution network estimation method based on credibility
10/10/2012CN102723710A Critical cluster identifying method for transient stability analysis of power system
10/10/2012CN102155352B Floating-type water wind power generating device
10/10/2012CN102005757B Method for recognizing grid topology based on measurement spanning tree
10/10/2012CN101976988B Temperature difference generating hot water system with solar energy photo-thermal semiconductor
10/10/2012CN101976849B Method and device for intelligently switching on and off transformer set
10/10/2012CN101976842B Method for automatically acquiring key sections based on electrical partitioning
10/10/2012CN101958543B Method for estimating three-phase impedance-free nonlinear multi-source state of transformer substation
10/10/2012CN101917009B Surge-free high-speed tracking reactive power compensator and control method thereof
10/10/2012CN101794997B Megawatt wind power storage battery combined independent power supply system
10/10/2012CN101710789B Megawatt-level permanent magnet direct-drive wind-force generating converter and control method
10/10/2012CN101685969B Control method of multipath non-bridge PFC circuits
10/10/2012CN101507077B Controlled series compensator and method
10/10/2012CN101272051B Information system integration method of electric network production control region and management information region
10/09/2012US8283805 Scanner with battery
10/09/2012US8283804 Semiconductor IC device having power-sharing and method of power-sharing thereof
10/09/2012US8283802 Dual column gang outlets for minimizing installation space
10/09/2012DE202011109925U1 Verbessertes Antriebsaggregat Improved drive unit
10/07/2012CA2773290A1 Method and apparatus for positioning in-wall power
10/04/2012WO2012134748A2 Power converter with dual ring network control
10/04/2012WO2012133075A1 Utility interconnection device
10/04/2012WO2012132948A1 Power conditioner system
10/04/2012WO2012132742A1 Electric power control device, electric power control program, and electric power control method
10/04/2012WO2012132258A1 Distributed power generation system and method for operating same
10/04/2012WO2012131869A1 Power demand plan coordination device, power demand plan coordination method, and program
10/04/2012WO2012131867A1 Demand/supply schedule control system for low-voltage grid, and demand/supply schedule control method for low-voltage grid
10/04/2012WO2012131767A1 System control apparatus for facilities
10/04/2012WO2012131261A1 System for managing the supply of electricity to a plurality of electrical devices
10/04/2012WO2012130836A1 Control apparatus for an electrical load
10/04/2012WO2012130163A1 Method for generator subsynchronous current calculation, subsynchronous over-current and divergence protection
10/04/2012WO2012130008A1 Svc reactive predictive compensation method for rectifier load
10/04/2012WO2012129933A1 Electric power system coordinated control method
10/04/2012WO2012129827A1 Device and method for self-healing control of multi-level power grid
10/04/2012WO2012098390A3 Photovoltaic inverter unit
10/04/2012WO2012077924A3 Method for controlling load
10/04/2012WO2012037989A3 Method for the computer-aided control of the electrical energy distribution in a decentralized energy network
10/04/2012US20120250371 Controlling an inverter device of a high voltage dc system for supporting an ac system
10/04/2012US20120249097 Adaptive inductive power supply
10/04/2012US20120248878 Polymer material, solar cell using the same, and solar photovoltaic generation system
10/04/2012US20120248863 Safety Mechanisms, Wake Up and Shutdown Methods in Distributed Power Installations
10/04/2012DE102011006609A1 Steuervorrichtung für einen elektrischen Verbraucher A control apparatus for an electric load
10/04/2012DE102011006214A1 Verfahren und Vorrichtung zur elektrischen Energieversorgung Method and device for supplying electrical power
10/03/2012EP2506385A1 Generator reserve capacity control system and network
10/03/2012EP2506384A1 System and method for operating a tap changer
10/03/2012EP2506383A2 System and method for operating capacitor banks
10/03/2012EP2506382A2 Method and device for supplying electrical energy
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