Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
01/2014
01/30/2014WO2014016466A1 Method and arrangement to control powers of at least two generator sets
01/30/2014WO2014016092A2 Method and device for cost-efficient control of energy consumers
01/30/2014WO2014015666A1 Power grid reactive compensation method and apparatus, and grid-tied inverter
01/30/2014WO2014015370A1 Method and apparatus for remote energy monitoring and control
01/30/2014WO2013182407A3 A broadcast receiving device energized by a renewable energy source
01/30/2014WO2013160705A3 Energy saving and/or safety device
01/30/2014US20140032003 Smart electrical outlets and associated networks
01/30/2014US20140028114 Power transfer system and noncontact charging device
01/30/2014US20140028104 Systems and methods for photovoltaic micro-inverter power harvesting efficiency increase in shaded conditions
01/30/2014US20140028101 Power supplies for simultaneously providing ac and dc power
01/30/2014US20140028097 Electrical outlet adapter with automatic power-on and power-off of peripheral outlets
01/30/2014DE102012213055A1 Device for galvanic insulated distribution of electrical power, supplies power to primary winding of cascade in subsequent inductive loop coupling element through secondary winding of cascade in other inductive loop coupling element
01/30/2014DE102012212366A1 Verfahren zum Steuern eines elektrischen Erzeugers A method for controlling an electric generator
01/29/2014EP2690770A2 Power supplies for simultaneously providing AC and DC power
01/29/2014EP2690746A1 Charging control device and charging control system
01/29/2014EP2690738A2 Generator management system that determines a time to activate and deactivate generators based on the load level
01/29/2014EP2689525A2 Arrangement for controlled and efficient infeed of photovoltaic power into the ac mains with parallely connected dc/dc converters
01/29/2014EP2689511A1 Method and arrangement for feeding electrical power from a wind turbine into an ac voltage network
01/29/2014EP2689510A1 Method and system for voltage regulation in a power distribution network
01/29/2014EP2689466A1 Method and device for determining the power output by a photovoltaic installation
01/29/2014EP2227847B1 Method for controlling a grid voltage
01/29/2014CN203416041U Alternating/direct current dual-power distribution box
01/29/2014CN203416032U 多功能电动汽车充电装置 Multi-function electric vehicle charging device
01/29/2014CN203415994U Photovoltaic grid connected inversion system and photovoltaic power generation system equipped therewith
01/29/2014CN203415993U Remotely monitored photovoltaic grid-connected generation system for street lamp
01/29/2014CN203415992U Wind power generator group comprehensive series connection compensation voltage ride through device
01/29/2014CN203415991U Low voltage automatic phase change system
01/29/2014CN203415990U 1140V special intelligent control cabinet
01/29/2014CN203415989U Modular power compensation controller
01/29/2014CN203415988U Capacitor bank of direct current transmission hierarchical access system reactive compensation
01/29/2014CN203415987U Intelligent capacitor cabinet
01/29/2014CN203415986U Disperse reactive compensation system of low voltage power distribution station area based on wireless network
01/29/2014CN203415985U Intelligent energy-saving control device system
01/29/2014CN203415984U High-frequency megawatt bi-directional converter
01/29/2014CN203415983U 10kV high-voltage harmonic-wave-free frequency-conversion online-monitoring switchgear system
01/29/2014CN203415982U 380V harmonic-wave-free frequency-conversion online-monitoring switchgear system
01/29/2014CN203415981U 380V active-filtering online-monitoring switchgear system
01/29/2014CN203415980U Solar polymerization inversion controlling device
01/29/2014CN203415979U 10-35kV high-voltage active-filtering online-monitoring switchgear system
01/29/2014CN203415978U Energy-saving control switch
01/29/2014CN203415977U ASVG intelligent power quality control apparatus for IGBT in direct series
01/29/2014CN203415899U Visualized drawer type low-voltage reactive power compensation cabinet
01/29/2014CN203415425U 1140-volt self-protection type parallel capacitor
01/29/2014CN203414762U Filtered reactive power compensation device possessing multifunctional control module
01/29/2014CN103548281A Simultaneous detection of communications signals on all phases of a multi-phase power distribution network
01/29/2014CN103548230A Power supply apparatus and power supply control method
01/29/2014CN103548229A Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between a DC/AC inverter and the rotor of the machine
01/29/2014CN103547043A Power supply system and power supply control method of LED centralized direct-current micro-grid
01/29/2014CN103546043A IGBT current transformer and static var generator formed by same
01/29/2014CN103546024A Chained SVG module voltage-equalizing control method and circuit
01/29/2014CN103545906A Method design for providing frequency support for main power grid through photovoltaic storage battery system
01/29/2014CN103545899A Lossless appreciation benefit control method for electric car charging, discharging and storing integrated power station
01/29/2014CN103545849A Framework with wind electricity participating in system frequency modulation control
01/29/2014CN103545848A Coordinated control method for active power of photovoltaic power station group
01/29/2014CN103545847A 光伏发电能量管理系统 Photovoltaic energy management system
01/29/2014CN103545846A Microgrid economic operation method based on generalized load prediction
01/29/2014CN103545845A Control method of double-fed induction wind power system for restraining grid-connected power fluctuation under condition of voltage harmonic of power grid
01/29/2014CN103545844A Microgrid system with hybrid electric automobile as stand-by power source
01/29/2014CN103545843A Micro-grid off-grid coordinated control system and method
01/29/2014CN103545842A Control structure used for coordinating different fans in wind power farm for achieving low voltage ride through capacity of wind power farm
01/29/2014CN103545841A Control method and device of inverter and inverter system
01/29/2014CN103545840A Method capable of guaranteeing primary frequency modulation action effectiveness of 300MW generator set
01/29/2014CN103545839A Low voltage adjusting and controlling device for wind turbine
01/29/2014CN103545838A Method for adaptively controlling hybrid damping of grid-connection inverter applicable to weak grid access conditions
01/29/2014CN103545837A Photoelectric comprehensive power supply system
01/29/2014CN103545836A Capacitor commutated converter inverter side system
01/29/2014CN103545835A Direct-current power system commutation failure judgment method
01/29/2014CN103545834A Frequency deviation control method for electric car charging, discharging and storing integrated power station
01/29/2014CN103545833A Regional control deviation scheduling strategy for electric car charging, discharging and storing integrated power station
01/29/2014CN103545832A Photovoltaic system energy accumulation capacity configuration method based on power generation prediction errors
01/29/2014CN103545831A Terminal power grid regulation and storage station built by using unused building
01/29/2014CN103545830A Real-time optimizing and controlling method for intelligent community energy system
01/29/2014CN103545829A Electric railway unbalance collaboration compensation method based on immune multi-agent system
01/29/2014CN103545828A Method for controlling split phases of star-shaped chained SVG under unbalanced condition
01/29/2014CN103545827A Method for three-phase imbalance load distribution suitable for low-voltage distribution network
01/29/2014CN103545826A Intelligent low-voltage power load distribution system and method
01/29/2014CN103545825A Electromagnetic mixed compensation system for quality of electric energy in electrified railways
01/29/2014CN103545824A Method and device for eliminating voltage harmonic of electric power system based on magnetically controlled reactor
01/29/2014CN103545823A 配电变压器 Distribution Transformers
01/29/2014CN103545822A Reactive power adjustment device
01/29/2014CN103545821A Low-voltage reactive power compensation controller
01/29/2014CN103545820A Method for improving reliability of power device of doubly-fed wind-electricity converter
01/29/2014CN103545819A Intelligent capacitor for static compensation and harmonic suppression
01/29/2014CN103545818A Method for determining power system active power distribution network intermittent energy merging or removing points
01/29/2014CN103545817A Automatic power generation control method for cascade hydropower stations
01/29/2014CN103545816A Design of P-f and Q-V droop controller in micro-grid
01/29/2014CN103545815A Three-phase alternating-current building voltage-stabilizing electricity-saving device
01/29/2014CN103545814A Coordinated voltage control method for alternating-current and direct-current hybrid power system
01/29/2014CN103545813A Method and device for compensating harmonic current and voltage unbalance
01/29/2014CN103545812A Ultraharmonics and idle electric power compensation energy-saving device of active power grid
01/29/2014CN103545811A Active power filter based on double-bridge-type main circuit and control method thereof
01/29/2014CN103545810A Microgrid inverter sagging automatic control method based on small signal stability analysis
01/29/2014CN103545809A Enterprise power grid optimizing configuration method
01/29/2014CN103545808A Flexible switching matching device of power system
01/29/2014CN103545807A Medium voltage distribution network two wire closed loop operation wire connecting method
01/29/2014CN103545806A Isolated network operation under-frequency load shedding parameter setting method and system
01/29/2014CN103545805A Modeling-based railway power supply arm monitoring method
01/29/2014CN103545093A Low-voltage phase-control half-core electric reactor used for low-voltage static reactive power compensation equipment
01/29/2014CN103544655A Layered optimization method of regional distribution network comprising micro-grid
01/29/2014CN103544377A Calculating and analyzing method for resonance characteristics of direct current circuit of high-voltage direct current power transmission
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