Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2014
04/30/2014CN103762591A Power distribution network topology layout method
04/30/2014CN103762590A On-line setting method for load reduction amount of low-frequency load-reducing basic wheels of electric system
04/30/2014CN103762589A Method for optimizing new energy capacity ratio in layers in power grid
04/30/2014CN103762588A Micro-grid operating inverter grid-connection and off-grid smooth switching circuit and control method thereof
04/30/2014CN103762587A Optimized networking method of distributed power supply system end users
04/30/2014CN103762586A Real-time optimization method for safe and stable power system control procedures based on communication error probability
04/30/2014CN103762584A Tandem type multi-terminal direct-current power transmission system and loss compensation method thereof
04/30/2014CN103762583A Tandem type multi-terminal direct-current power transmission system and power control method thereof
04/30/2014CN103762060A Oil immersion self-cooling damping device of electric reactor in high-voltage filter compensation equipment
04/30/2014CN103166234B Single phase grid-connected inverter reactive output control method
04/30/2014CN103020853B Method for checking short-term trade plan safety
04/30/2014CN102709939B Active power control method of wind power station for improving power generation efficiency of wind power station
04/30/2014CN102623990B Low-frequency deloading parameter online checking method of self-adaptation power grid operation mode
04/30/2014CN102611161B Small-size wind and light complementation water suction and energy storage grid-connected electricity generating system as well as charging and discharging control method
04/30/2014CN102611140B Grid-connected inverter island detection method based on wavelet transform and neural network
04/30/2014CN102596494B Electric power consumption control system
04/30/2014CN102593849B Control device and method for controlling chaos based on reactive compensation
04/30/2014CN102583595B Purification and detection system for pure water used for cooling converter valve
04/30/2014CN102570950B Subsynchronous damping control system and subsynchronous damping control method for generator terminals
04/30/2014CN102570475B SVC (static var compensator) allocation method for improving transient voltage security of electric distribution network
04/30/2014CN102570456B Distribution network intermittent energy consumption system and method based on active mechanism
04/30/2014CN102522911B Inverting device and solar PV (Photovoltaic) grid-connected system applying same
04/30/2014CN102522778B Grid connecting method of three-phase high-power inverter with power-frequency isolation transformer
04/30/2014CN102522748B On-line analysis and decision calculation method in power system dynamic process
04/30/2014CN102510093B Wind power field active power control method based on power forecasting information
04/30/2014CN102510070B Method for realizing automatic voltage closed-loop control of power plant by taking powder factor as control target
04/30/2014CN102237717B Power consumption management system, power consumption manager and power consumption management method
04/30/2014CN102222929B DC (Direct Current) power transmission system with function of unidirectionally transmitting power
04/30/2014CN102064610B Automatic voltage control substation system of distributed power station based on devices
04/29/2014US8712711 Identification of electrical grid phase information for end-points in a grid network
04/29/2014US8710700 Power or voltage oscillation damping in a power transmission system
04/26/2014CA2794505A1 Parking lot power pedestal
04/24/2014WO2014062977A1 Pervasive power generation system
04/24/2014WO2014062388A1 A method to identify heating and cooling system power-demand
04/24/2014WO2014062383A1 Bidirectional power system, operation method, and controller for operating
04/24/2014WO2014061889A1 Device and method for operating facts devices using pmu
04/24/2014WO2014061878A1 Phase locked loop system of electric power system using lpn filter
04/24/2014WO2014061645A1 Power source control system, control device and control method
04/24/2014WO2014061255A1 Snow melting controller and snow melting managing system comprising snow melting controller
04/24/2014WO2014060147A1 Method and apparatus for transmitting electrical power
04/24/2014WO2014060095A2 Power plant
04/24/2014WO2014060065A2 Electrical inverter and method of operation
04/24/2014WO2014059870A1 Method for determining negatively-damped oscillation and forced oscillation based on straight line method
04/24/2014WO2014013058A3 Multi-directional converter comprising three ports and a single transformer for electric vehicles
04/24/2014WO2013132099A3 Electric unit for a pump-storage power plant
04/24/2014WO2013097862A3 A wind turbine generator
04/24/2014WO2013007268A3 Power generation system and method for operating a power generation system
04/24/2014US20140111011 System and method for providing power to circuits until power supply turns on and supplies power
04/24/2014DE102012110110A1 Wechselrichter, Verfahren zum Betreiben eines Wechselrichters und Energieversorgungsanlage mit einem Wechselrichter Inverter, method of operating an inverter and power supply system with an inverter
04/23/2014EP2722962A1 Charging system, charging management device, control method, and program
04/23/2014EP2722960A1 Microgrid control system
04/23/2014EP2722959A1 Starting of a solar power plant
04/23/2014EP2722958A1 Power supply system
04/23/2014EP2722957A1 Charging system, power management server, vehicle management server, and power management program
04/23/2014EP2722956A1 Continuously powered electrical system stabilised by built-in active filtering
04/23/2014EP2722955A2 Voltage regulator and methods for simulating reactive power in parallel power generation systems
04/23/2014EP2722497A1 Power plant system
04/23/2014EP2721715A1 Method for the overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed generators and loads
04/23/2014EP2721711A2 Inverter with monitoring of the moisture state and method for operating an inverter
04/23/2014EP2721710A2 Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system
04/23/2014EP2721709A1 Device for an optimized operation of a local storage system in an electrical energy supply grid with distributed generators, distributed storage systems and loads
04/23/2014EP2721708A2 Automated demand response energy management system
04/23/2014EP2721707A2 Controlling energy use
04/23/2014EP2721706A2 Method and apparatus for controlling energy services based on market data
04/23/2014EP2721705A1 A method for controlling power flow within a wind park system, controller, computer program and computer program products
04/23/2014EP2721351A1 Heating, ventilation and/or air-conditioning device with targeted power-supply management
04/23/2014CN203562787U Bidirectional energy storage converter main circuit topology based on hysteresis control
04/23/2014CN203562786U Reactive power optimized compensation device of power system
04/23/2014CN203562785U Reactive power regulation system of distributed parallel connection structure
04/23/2014CN203562784U Reactive compensation device of 10kV line
04/23/2014CN203562783U High voltage SVG system with chain type composition
04/23/2014CN203562782U Intelligent capacitor
04/23/2014CN203562781U Networked voltage reactive power control system
04/23/2014CN203562780U Electricity-saving device for circuits
04/23/2014CN203562779U Power conditioner filtering electricity-saving device
04/23/2014CN103748759A Methods and apparatus for controlling operation of photovoltaic power plants
04/23/2014CN103748758A Step-up converter
04/23/2014CN103748757A Hybrid electric generating power plant using a combination of real-time generation facilities and energy storage system
04/23/2014CN103748756A Decentralized energy management in automation installations
04/23/2014CN103748755A Power system state estimation device and power system using same
04/23/2014CN103748734A Method of controlling storage battery, apparatus for controlling storage battery, and electric power control system
04/23/2014CN103746623A Maximum available torque weak magnetic control method for permanent-magnet direct-drive wind turbine
04/23/2014CN103746612A Magnetic-valve controllable electric reactor phase-shifting self-coupling voltage-reduction soft starting method and device
04/23/2014CN103746592A Bidirectional inverting system and bidirectional inverting circuit
04/23/2014CN103746587A Control damping method applied to the resonance inhibition of LLCL single-phase grid connected inverter
04/23/2014CN103746553A High-voltage DC-DC (Direct Current to Direct Current) convertor and control method thereof
04/23/2014CN103746408A AGC (Automatic Generation Control) coordination control method of large-scale wind power
04/23/2014CN103746407A Partition setting control method aiming at large-scale wind electricity supply base
04/23/2014CN103746406A Configuration method for fast cut back (FCB) thermo power set
04/23/2014CN103746405A Photovoltaic off-grid/grid-connection integrated control system
04/23/2014CN103746404A Method for evaluating stability of wind-solar-fire bundled DC (Direct Current) delivering system
04/23/2014CN103746403A Offshore renewable energy comprehensive power generation coordination control method on basis of battery energy storage
04/23/2014CN103746402A Method for assessing reliability of power distribution network accessed with wind/ storage energy complementation microgrid
04/23/2014CN103746401A Method for improving capacity of multi-feed-in direct current power transmission system against phase commutation failure
04/23/2014CN103746400A Last circuit breaker and last line protection method for high-voltage direct current power transmission
04/23/2014CN103746399A Main circuit and method for improving voltage-source transverter DC power-transmission fault ride-through capability
04/23/2014CN103746398A Movable energy storage system applied for power grid
04/23/2014CN103746397A Correction method and system for thermoelectricity mixed energy storing system
04/23/2014CN103746396A Wind power plant energy storage volume configuration method capable of improving dispatching economy of electric power system
04/23/2014CN103746395A Method for improving voltage imbalance of arc suppression coil grounding small-grounding-current system
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