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)
11/2012
11/07/2012CN102769305A Boiler smoke waste heat power generation system
11/07/2012CN102769304A Boiler smoke waste heat power generation system
11/07/2012CN102769303A Independent power supply system for islands
11/07/2012CN102769302A Photovoltaic grid-connected inverter with stored energy management and load-power-based output functions
11/07/2012CN102769301A Voltage control method for wind farm wind turbine-side voltage in dangerous state
11/07/2012CN102769300A Method for calculating sensitivity of wind power plant reactive power on voltage based on perturbation method
11/07/2012CN102769299A Wind farm voltage control method based on voltage operating state
11/07/2012CN102769298A Forecasting method and forecasting system for solar grid-connection generated power
11/07/2012CN102769297A Sub-synchronous oscillation suppression method based on fully-controlled inverter
11/07/2012CN102769296A Supplementary subsynchronous damping control method of speed regulator
11/07/2012CN102769295A Static reactive compensation system and method of wind power converter
11/07/2012CN102769294A Method for intelligently, reactively and optimally compensating voltage of regional power grid
11/07/2012CN102769293A Reactive power regulation method for fans in wind power farm under remote-control failure condition
11/07/2012CN102769292A Method for enhancing voltage safety margin of wind farm
11/07/2012CN102769291A Active power filter based on multiphase converter structure
11/07/2012CN102769290A Harmonic management device of power substation
11/07/2012CN102769289A Three-phase unified power quality conditioner (UPQC) topological circuit based on modular multilevel converter (MMC) and pre-charging method of three-phase UPQC topological circuit
11/07/2012CN102769288A Scheduling time scale self-adaption adjustment method for island new energy power supply system
11/07/2012CN102769287A Power distribution network TSC (total supply capacity) calculation method
11/07/2012CN102769286A Power transmission line structure of wind farm
11/07/2012CN102104252B Power system dynamic equivalence method suitable for electromagnetic transient analysis
11/07/2012CN102062803B Active current extraction method based on orthogonal sine wave integral modulation
11/07/2012CN102013680B Fast decoupled flow calculation method for power systems
11/07/2012CN102005758B Internal network actual information based method for external network static equivalents of two ports
11/07/2012CN101976840B Network topology analysis method of power system based on quasi-square of adjacency matrix
11/07/2012CN101938124B Matrix analysis method of power system network topology
11/07/2012CN101924476B Single-phase alternating current converter of intermediate alternating current voltage
11/07/2012CN101917006B Frequency safety online monitoring and assessment method of power system
11/07/2012CN101895124B Coupling assessment method for judging mutual influence of alternating current-direct current parallel/series-parallel systems
11/07/2012CN101872978B Power supply device for ultrahigh-power silicon carbide smelting furnace and silicon carbide smelting device
11/07/2012CN101847872B Two-region interconnected electric power system alternating current interconnection tie power fluctuation peak calculating method
11/07/2012CN101847842B Low-voltage sectionalized load transfer device of power system
11/07/2012CN101800426B Safety level evaluation method of power grid
11/07/2012CN101162842B Operating electrical machines from a DC link
11/06/2012US8305778 Method and system to influence the power generation of an adjustable speed generator
11/06/2012US8305777 Control device for rectifier stations in a high-voltage DC transmission system
11/06/2012US8305070 Programmable power supply controller and methodology for automatic phase adjustment of a PWM output signal
11/06/2012US8305050 Circuit and method to startup from very low voltages and improve energy harvesting efficiency in thermoelectric harvesters
11/06/2012US8304932 Efficient solar energy power creation systems
11/01/2012WO2012149430A1 Combined active and passive harmonic mitigation devices and applications thereof
11/01/2012WO2012149244A1 Energy storage device control
11/01/2012WO2012148987A2 Cross-profile coordination of energy consumption policies
11/01/2012WO2012148595A1 System for electric grid balancing and method of using and providing the same
11/01/2012WO2012147687A1 Large-scale solar power generator
11/01/2012WO2012147155A1 Power management device, power management system, power management method, and power management program
11/01/2012WO2012147058A1 High power photovoltaic plant for generating energy
11/01/2012WO2012146618A1 Method and device for determining the power output by a photovoltaic installation
11/01/2012WO2012146463A1 Energy storage apparatus comprising a plurality of storage modules for electrical energy
11/01/2012WO2012146297A1 Method and control arrangement in a power system
11/01/2012WO2012146277A1 Method and arrangement for feeding electrical power from a wind turbine into an ac voltage network
11/01/2012WO2012109426A3 Regulation of inverter dc input voltage in photovoltaic arrays
11/01/2012WO2012108684A3 Electric device and power management apparatus for changing demand response (dr) control level
11/01/2012US20120278015 Wide-area, real-time monitoring and visualization system
11/01/2012US20120274133 Electric power supply system
11/01/2012CA2801938A1 Energy storage device control
10/2012
10/31/2012EP2518856A1 Power grid control system using electric vehicle, power grid control apparatus, information distribution apparatus, and information distribution method
10/31/2012EP2518855A2 Switching coordination of distributed DC-DC converters for highly efficient photovoltaic power plants
10/31/2012EP2518854A2 Electric power supply system
10/31/2012EP2518853A1 Systems, methods, and apparatus for coordinated Volt/VAR control in power distribution networks
10/31/2012EP2518852A2 Power monitoring and control apparatus and power monitoring and control method
10/31/2012EP2518851A2 Transformer structure for smart load balancing
10/31/2012EP2517344A1 Bidirectional dc converter
10/31/2012EP2517326A1 A coded power converter system
10/31/2012EP1925817B1 A system of production of electric energy from renewable energy sources
10/31/2012DE112010004525T5 Verfahren, Einheit und System für eine reaktive Laststeuerung unter Verwendung von Frequenzregelungsguthaben Method, unit and system for a reactive load control using frequency control credit
10/31/2012DE102011100076A1 Power supply system for vehicle e.g. passenger car, has energy collecting unit that serves relay station for exchange of charged/non-charged energy to vehicle having electrical energy converting photovoltaic system
10/31/2012CN202513876U AC-AC frequency conversion speed regulating system suitable for large power mine hoist
10/31/2012CN202513872U Device for adapting motor to automatically run at optimum efficiency in on-line type
10/31/2012CN202513819U Electro-magnetic compatibility protective electrical structure of solar photovoltaic inverter
10/31/2012CN202513817U High-frequency energy conveying system used for solid compound reactive equipment switching switch
10/31/2012CN202513813U Wind driven generator and converter thereof
10/31/2012CN202513628U Night shutdown-type alternating-current grid power-taking photovoltaic inverter
10/31/2012CN202513607U Grid-connection/off-grid photovoltaic energy storage device
10/31/2012CN202513595U Photovoltaic grid-connected power generation device based on multiple technology
10/31/2012CN202513594U Intelligent-controlled 35kV transformer parallel operation automatic switching device
10/31/2012CN202513593U Solar energy and vibration generator grid-connected generating system for station
10/31/2012CN202513592U Oil pumping unit control system with energy feedback function
10/31/2012CN202513591U Residential home-based photovoltaic grid-connected inverter power generation system
10/31/2012CN202513590U Economic operation control system of transformer
10/31/2012CN202513589U High-voltage high-power directly-driven offshore wind generator set based on superconducting motor
10/31/2012CN202513588U Digital signal processor (DSP) and field programmable gate array (FPGA) dual control system photovoltaic grid connected inverter
10/31/2012CN202513587U Grid-connected inverter power supply and countercurrent prevention system
10/31/2012CN202513586U Intelligent micro-grid using renewable energy for generating power
10/31/2012CN202513585U Non-harmonic-interference regenerative power generation grid-tied unit driven by low-voltage direct current
10/31/2012CN202513584U Combined energy feedback type power-saving device of multiple control lift
10/31/2012CN202513583U Comprehensive electricity-saving device for balancing and filtering three-phase power
10/31/2012CN202513582U Switching device of static var compensator (SVC) static-type dynamic reactive compensation system in hot rolled sheet plant
10/31/2012CN202513581U Reactive compensation and power filtering device based on two-stage inductors
10/31/2012CN202513580U Thyristor valve for fling-cut switch of solid composite reactive device
10/31/2012CN202513579U Combined high-voltage compensation on-load inductance regulation device
10/31/2012CN202513578U Combination switch
10/31/2012CN202513577U Reactive compensation trigger device
10/31/2012CN202513576U Energy-saving unit with visible energy-saving effect
10/31/2012CN202513575U Test device for port and navigation mode conversion of ship electrical power system
10/31/2012CN202513574U Novel wind power forecasting device applied to wind power farm
10/31/2012CN202513573U Even flow type power quality adjusting device
10/31/2012CN202513572U Power quality regulating device
10/31/2012CN202513532U Direct-current ice-melting and SVC (static var compensation) device
10/31/2012CN202512986U 110kV-level dry-type hollow series reactor
10/31/2012CN102763301A Power system
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