Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2014
03/12/2014CN103633659A Energy storage converter charging and discharging control system without direct current sensor
03/12/2014CN103633658A Method and device for calculating energy storage system output based on real-time adjusted filtering time constant
03/12/2014CN103633657A Method and device for wind power fluctuation restraining and power grid load peak shaving of wind storage power station
03/12/2014CN103633656A Electric power generation method and electric power generation system
03/12/2014CN103633655A Public bus energy exchange-based H-bridge cascade topological structured SSSC (static synchronous suppressed carrier) device
03/12/2014CN103633654A Near-optimal relaxation reactive power control method for radiation type power grid
03/12/2014CN103633653A Intelligent series-parallel reactive power compensation component-based power grid distributed-control system and implementation method for same
03/12/2014CN103633652A Subarea power grid interconnection system and method
03/12/2014CN103633651A Intelligent shunt active power filter
03/12/2014CN103633650A Harmonic current blocking device and power distribution system
03/12/2014CN103633649A Generation method for future-state alternating-current flow of power grid
03/12/2014CN103633648A Method for predicting medium and long term tendency of electric energy quality indexes
03/12/2014CN103633647A Power grid topology based power system reliability calculation method
03/12/2014CN103633646A Reconstructing method for ship comprehensive power system
03/12/2014CN103633645A Electric automobile real-time charging method based on single electric automobile charging forecasting
03/12/2014CN103633644A Power grid impact load automatic balancing device and balancing method
03/12/2014CN103633643A Tracing-based short circuit current analysis and limiting method
03/12/2014CN103633642A Method for planning and analyzing frequency stability of power grid of water and power dominated island
03/12/2014CN103633641A Medium-term and long-term trading-operation plan-acquiring method considering wind-electricity acceptance
03/12/2014CN103633640A Power grid connected network analysis method and power grid connected network analysis system
03/12/2014CN103633639A Method of monitoring operation of an electric power system and monitoring system
03/12/2014CN103632221A Automatic feeder-range refreshing method
03/12/2014CN103631215A Solar grid-connected control system capable of being monitored from remote used for street lamp
03/12/2014CN103629051A Deep ocean floating type wind power and wave energy hybrid grid-connected power generation method and device
03/12/2014CN103103368B Titanium reactor
03/12/2014CN103078343B Evaluation method for impact of wind power integration on power grid transient state as well as medium and long term reliability
03/12/2014CN103066595B Optimization method of extra-high voltage transient stability control
03/12/2014CN103023037B Method and system for solving voltage instability of grid power at receiving end through direct-current delay interlocking
03/12/2014CN102856931B Wind power plant active power dynamic grouping control method
03/12/2014CN102664406B Method for estimating shortest radius of small-interference security domain
03/12/2014CN102623996B Active power filter closed loop control method based on decoupling resonance regulator array
03/12/2014CN102593873B Slide control method for power fluctuation of microgrid interconnection line
03/12/2014CN102593855B Method for stabilizing fluctuation of output power of renewable energy power supply in power system
03/12/2014CN102593823B Superposition-principle-based on-line power flow calculation method of distribution network
03/12/2014CN102570484B Control method of 10kV switch device
03/12/2014CN102549868B Wire housing apparatus, vehicle equipped with same, and power feeding device
03/12/2014CN102545257B Solar photovoltaic generating single-phase grid-connected inverter and control method thereof
03/12/2014CN102545235B Triangular connection type comprehensive compensation system integrated with cascaded active filter and reactive compensator
03/12/2014CN102522782B Solar current converter system and control method thereof
03/12/2014CN102522780B Heat and power combined dispatching system and dispatching method of fuel-gas combined circulating machine set
03/12/2014CN102520675B Gas-steam combined cycle and solar power generation combined heating system and scheduling method thereof
03/12/2014CN102510075B Thermoelectricity dispatching system and method of water source heat pump
03/12/2014CN102510067B Method for preventing thyristors from being locked during quick and repeated zero cross switching of three-phase thyristor switched capacitor (TSC)
03/12/2014CN102427226B Optimization method for safety and stability control measure of multi-direct-current power system
03/12/2014CN102412579B Harmonic current compensating method based on fast Fourier transform
03/12/2014CN102403731B Simulation method for generation system of micro turbine
03/12/2014CN102368619B Method for evaluating access requirement of direct-current solitary island power transmission system
03/12/2014CN102354973B Power supply system for impulse voltage generator in high-altitude area
03/12/2014CN102349210B Control device, reactive power compensator and method
03/12/2014CN102347619B Control method for inverter system
03/12/2014CN102299524B Low voltage ride through (LVRT) control method for doubly fed induction generator (DFIG) wind generating system of series grid-side converter (SGSC) based on static bifurcation control
03/12/2014CN102271445B Intelligent power-supply control system of street lamps
03/12/2014CN102255325B Method for improving system damping by using additional damping controller of wind turbine
03/12/2014CN102255321B Method and detection device for detecting AVC (Automatic Volume Control) system
03/12/2014CN102255309B Self-healing control method of centralized distribution network
03/12/2014CN102255308B Method for identifying normal state of distribution network
03/12/2014CN102244401B System, apparatus and method for controlling charge and discharge of electric vehicle
03/12/2014CN102222935B Grid-connected full digital monitoring system for controllable high-temperature superconducting magnetic energy storage (SMES) system
03/12/2014CN102201671B Calculation method for transmission line voltage distribution based on transmission line theory
03/12/2014CN102185464B Insulating beam for high-voltage direct current (DC) converter valve
03/12/2014CN102185291B Island detection method and island detection system
03/12/2014CN102170125B Power checking method
03/12/2014CN102130454B Dynamic stability control method and system for computer aided design based power system
03/12/2014CN102097828B Wind power optimal scheduling method based on power forecast
03/12/2014CN102097805B Optimization decision method for comprehensive energy-saving and loss-reducing technology of urban and rural distribution network
03/12/2014CN102074969B Wind power plant and operation method for same
03/12/2014CN102074958B Thyristor valve controlled type controllable paralleling reactor device configured with parallel valve branches
03/12/2014CN102064555B Chain type STATCOM (Static Synchronous Compensator) chain unit bypass structure with mechanical switch
03/12/2014CN102064548B Transient frequency deviation considered method for optimizing rotation reserve of once frequency modulation
03/12/2014CN102055187B Large-scale interconnected power grid spinning reserve risk assessment method based on state space division method
03/12/2014CN102044879B Movable type static synchronous compensator (STATCOM) with modularization structure
03/12/2014CN102035203B Fast calculation method of tie-line transient state stable limiting transmission power
03/12/2014CN101919136B Appliance and method for monitoring phase line of section of electrical energy grid line
03/12/2014CN101917019B Method for computing alternating current system current injected into direct current system
03/12/2014CN101855807B Method for operating energy supply network
03/12/2014CA2826353A1 Method for operating a thermal power plant
03/11/2014US8670873 Lighting control system and method
03/11/2014US8669675 Power converter for a solar panel
03/11/2014US8669674 Power supply circuit with shared functionality and method for operating the power supply circuit
03/06/2014WO2014036408A1 Automated demand response gateway
03/06/2014WO2014035881A1 Power line reactance module and applications
03/06/2014WO2014035666A2 Systems and methods for power transmission with cable segment failover support
03/06/2014WO2014035080A1 Method for generating information for power grid optimization, and agent device
03/06/2014WO2014034427A1 Static variable compensator and voltage-control method
03/06/2014WO2014034391A1 Energy control system, server, energy control method and storage medium
03/06/2014WO2014034126A1 Electric power supply apparatus and system
03/06/2014WO2014034123A1 Power flow control system, management device, and program
03/06/2014WO2014034114A1 Power management system, power management device, and large power-using power load
03/06/2014WO2014034007A1 Power control device and power supply system using same
03/06/2014WO2014033943A1 Backup device, backup system and backup method
03/06/2014WO2014033893A1 Method for forming electric power interchange group and electric power interchange group forming device
03/06/2014WO2014033892A1 Power interchange route creation method and power interchange route creation device
03/06/2014WO2014033862A1 Station building power supply device and method for controlling same
03/06/2014WO2014033073A1 Wind farm with dc voltage network
03/06/2014WO2014033006A2 Switchgear for a single-phase motor and a three-phase motor
03/06/2014WO2014032701A1 A converter device and corresponding method
03/06/2014WO2014032697A1 Switching device and system for operating an electric load
03/06/2014WO2014032668A1 Connection system for power generation system with dc output
03/06/2014WO2014032572A1 Multilevel microgrid control method based on four-dimensional energy management space
03/06/2014WO2014032249A1 System and method for detecting islanding of electrical machines and protecting same
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