Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2014
04/16/2014CN102077436B Method for production of an oscillating signal and electrical protection - or measurement instrument having an oscillation identification device
04/16/2014CN102044881B Design method for power transmission system line model
04/15/2014US8700550 Adaptive model training system and method
04/15/2014US8698357 Multiple power supply device
04/15/2014US8698351 System and method for managing a power system with multiple power components
04/15/2014US8698350 Wireless power transmission unit and power generator with the wireless power transmission unit
04/15/2014CA2829677A1 System and method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve
04/15/2014CA2829303A1 System and method of selecting wind turbine generators in a wind park for change of output power
04/14/2014DE202013100814U1 Vorrichtung zur Erzeugung von Energie Device for production of energy
04/12/2014CA2829247A1 System and method for wind power dispatch in a wind farm
04/10/2014WO2014055795A1 Apparatus and method for improving power factor
04/10/2014WO2014055333A2 Medium voltage dc collection system with power electronics
04/10/2014WO2014055322A1 System and method for a mesh power system
04/10/2014WO2014054628A1 Power generation plan formulation system for small-scale power system and method therefor
04/10/2014WO2014054109A1 Power distribution management device, display control method, and display control program
04/10/2014WO2014054108A1 Power distribution management device, voltage determination method, and voltage determination program
04/10/2014WO2014054107A1 Power distribution management device, pattern extraction method, and pattern extraction program
04/10/2014WO2014054105A1 Power distribution management device, power distribution management method, and power distribution management program
04/10/2014WO2014054031A2 Wind power turbine for generating electric energy
04/10/2014WO2014053763A1 Detection of load-shedding of an inverter
04/10/2014WO2014053610A1 Frequency estimation
04/10/2014WO2014053557A1 Controlling a voltage-adapting electronic module
04/10/2014WO2014053552A2 Energizing system and method
04/10/2014WO2014053171A1 Method and associated transmission system
04/10/2014WO2013160486A3 Wind farm with fast local reactive power control
04/10/2014WO2013149781A3 Wireless power transmission
04/10/2014US20140098842 Systems and methods of controlling power
04/10/2014US20140098395 Activation control apparatus, image processing apparatus, activation control method, and activation control program storage medium
04/10/2014US20140097684 Multimode Distribution Systems and Methods for Providing Power From Power Sources to Power Consuming Devices
04/10/2014US20140097683 Generator dispatching or load shedding control method and system for microgrid applications
04/09/2014EP2717413A1 Power supply apparatus and power supply control method
04/09/2014EP2717412A1 Power supply system
04/09/2014EP2717411A1 Power supply system
04/09/2014EP2717410A1 Power control device and power control method
04/09/2014EP2717409A1 Control of a voltage adapter electronic module
04/09/2014EP2717408A1 Reactive power compensator
04/09/2014EP2717407A2 Energizing system and method
04/09/2014EP2717072A2 Electrical power forecasting system monitoring weather information and state of use of electrical equipement
04/09/2014EP2715907A2 Assessment of power systems
04/09/2014EP2715906A1 System for distributing electric power to an electrical grid
04/09/2014EP2715905A2 Photovoltaic voltage regulation
04/09/2014EP2715904A1 System and method for integrating and managing demand/response between alternative energy sources, grid power, and loads
04/09/2014EP2715903A1 Energy consumption management
04/09/2014EP2715902A1 Method for using power lines for wireless communication
04/09/2014EP2715901A1 Arrangements for network protection
04/09/2014EP2715900A1 System and method for generating an inertial response to a change in the voltage of an electricial grid
04/09/2014CN203537261U Seven-level single-phase photovoltaic grid-connected inverter
04/09/2014CN203537259U Five-level single-phase photovoltaic grid-connected inverter
04/09/2014CN203537247U Universal control circuit board of multi-level converter
04/09/2014CN203537068U Pole-mounting type remote-control capacitance compensation device
04/09/2014CN203537060U Grid system
04/09/2014CN203536978U Distribution type micro-grid power generation system
04/09/2014CN203536977U Circuit topological structure of current transformer
04/09/2014CN203536976U Hybrid power supply control device of solar energy and electric supply
04/09/2014CN203536975U Distributed power generating grid-connected control circuit
04/09/2014CN203536974U Local distributed grid-connected photovoltaic power supply system
04/09/2014CN203536973U Energy storage system
04/09/2014CN203536972U Power distribution device with gas-liquid two-phase energy storage
04/09/2014CN203536971U Series connection compensation device for intelligent distribution network
04/09/2014CN203536970U Magnetic control static var compensator
04/09/2014CN203536969U Low-voltage static reactive power compensator used for intermediate-frequency furnace, internal mixer and rolling mill equipment
04/09/2014CN203536968U A power-frequency communication apparatus for controlling reactive compensation switching
04/09/2014CN203536967U Distribution transformer
04/09/2014CN203536966U A draw-out type dynamic compensation module
04/09/2014CN203536965U A reactive power dynamic compensation controller
04/09/2014CN203536964U Static VAR (volt-ampere reactive) generator (SVG)
04/09/2014CN203536963U SVG AC (alternating current) side current indirect control structure
04/09/2014CN203536962U SVG AC (alternating current) side current direct control structure
04/09/2014CN203536961U Separated-type medium-voltage capacitance compensation device
04/09/2014CN203536960U Active filter device
04/09/2014CN203536959U Dual loop control system based on active disturbance rejection
04/09/2014CN203536958U Electricity-saving equipment
04/09/2014CN203536839U A draw-out type dynamic rapid compensation apparatus
04/09/2014CN203536178U Low-voltage phase-control half-core electrical reactor for low-voltage stationary reactive-load compensation equipment
04/09/2014CN103718442A Electrical power supply apparatus with a current forming signal and a method for operating the electrical power supply apparatus
04/09/2014CN103718415A Startup control method, grid-connected device, and control device
04/09/2014CN103718414A Photovoltaic voltage regulation
04/09/2014CN103718413A Master control method for a series MTDC system and element thereof
04/09/2014CN103718412A Responsive load control method
04/09/2014CN103718411A Driving circuitry for led lighting with reduced total harmonic distortion
04/09/2014CN103718410A System and method for generating an inertial response to a change in the voltage of an electricial grid
04/09/2014CN103718409A Energy management device, energy management system, and program
04/09/2014CN103718129A Method and device for determining the power output by a photovoltaic installation
04/09/2014CN103715928A Miniature grid-connected inverter
04/09/2014CN103715922A Micro-inverter with improved control
04/09/2014CN103715752A Distributed new-energy electric-power microgrid system with piconet structure
04/09/2014CN103715720A High-permeability wind power primary and secondary backup coordination control method
04/09/2014CN103715719A Photovoltaic model establishment method applicable to dynamic overall-process simulation of power system
04/09/2014CN103715718A Grid-source joint simulation and multistage dispatch closed-loop control system for grid-source joint simulation
04/09/2014CN103715717A Method for controlling three-phase photovoltaic grid-connected inverter when power grid voltage is unbalanced
04/09/2014CN103715716A Alternating current-direct current parallel system seamless switching control method based on VSC-HVDC
04/09/2014CN103715715A Method for inhibiting impact current in starting of high-power energy conversion system
04/09/2014CN103715714A Double-fed wind power plant adaptive reactive power compensation operation method
04/09/2014CN103715713A Method and apparatus for preventing repeated startup and shutdown of photovoltaic inverter auxiliary power supply
04/09/2014CN103715712A Method for permanent magnet direct drive wind power generation system to participate in power grid frequency regulation
04/09/2014CN103715711A Household wind-solar complementary grid-connected power station
04/09/2014CN103715710A Household wind-power grid-connected power station
04/09/2014CN103715709A Railway wind/light complementary grid-connected power generation system
04/09/2014CN103715708A Power transmission systems
04/09/2014CN103715707A Wind power plant storage capacity optimizing method taking battery service life and over-discharge phenomenon into consideration
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