Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
03/2014
03/06/2014US20140062199 Load sharing system
03/06/2014US20140062198 Solar photovoltaic three-phase micro-inverter and a solar photovoltaic generation system
03/06/2014US20140062192 Grid interactive double conversion inverter
03/06/2014US20140060589 Aircraft maintenance unit
03/06/2014DE112012002261T5 Verfahren und Einheit zum Ableiten der Skelett-Topologiestruktur eines elektrischen Stromnetzes Method and unit for deriving the skeleton topology structure of an electric power system
03/06/2014DE102013204214A1 Lade- /Entladesystem Loading / unloading
03/06/2014DE102012215813A1 Verfahren zum Laden oder Entladen eines Energiespeichers in einem Fahrzeug, zugehöriges Gerät und zugehörige Station Method for charging or discharging an energy storage device in a vehicle, associated device and associated station
03/06/2014DE102012215638A1 Steuereinrichtung für ein Energiemanagement A control device for an energy management
03/06/2014DE102012215570A1 Method for snaps active power alteration of solar-thermal power plants, involves providing air capacitors in solar-thermal power plant, and outputting and adapting cool air mass flow from ventilator and air capacitors
03/06/2014DE102012215565A1 Method for controlling system pool of current generators, involves providing environmental data prediction, particularly of weather prediction, for determined period, and creating feed-in power prediction of systems pool
03/06/2014DE102012215422A1 Windpark Wind farm
03/06/2014DE102012017631A1 Method for controlling power consumption network, involves controlling loads, and executing prioritization and component-regulating algorithms for maintaining target-criterion of power balance of network in different operating conditions
03/06/2014DE102012017461A1 Circuit arrangement for power supply of solar generator, has control and regulating device to regulate output voltage of direct current (DC)/DC converter so that required charging voltage is applied to battery
03/05/2014EP2704283A1 Power management device, power management system, power management method, and power management program
03/05/2014EP2704282A2 Voltage control for wind turbine generators
03/05/2014EP2704281A2 Discharging circuit, image forming apparatus having the discharging circuit, and power supply unit
03/05/2014EP2703827A1 Method for estimating dynamic power transmission line capacity by using synchronized phasor technology
03/05/2014EP2702680A2 Control method for an inverter, and inverter, particularly solar cell inverter
03/05/2014EP2702660A2 Hvdc power transmission with cable fault ride-through capability
03/05/2014EP2702659A1 Method and control arrangement in a power system
03/05/2014EP2702658A2 Cross-profile coordination of energy consumption policies
03/05/2014EP2702657A1 Energy storage device control
03/05/2014EP2702656A2 Electric power demand management
03/05/2014CN203466711U Chain-type SVG power cabinet
03/05/2014CN203466627U Intelligent transformer
03/05/2014CN203466620U Photovoltaic energy-storage system of off-grid type
03/05/2014CN203466618U Unconventional super-power uninterruptible power supply
03/05/2014CN203466580U Intelligent switching device for transformer
03/05/2014CN203466579U Grid-connected offline direct-current micro-grid system
03/05/2014CN203466578U 10kW wind-solar complementary experiment system
03/05/2014CN203466577U Photovoltaic control inverter all-in-one machine system based on bidirectional conversion structure
03/05/2014CN203466576U Intrinsically-safe photovoltaic grounding system
03/05/2014CN203466575U Wind-solar complementary grid-connected power generation system
03/05/2014CN203466574U Electric vehicle charging intelligent power grid regulating system
03/05/2014CN203466573U Three-phase common compensation type dynamic harmonic suppression intelligent capacitor
03/05/2014CN203466572U High-voltage reactive power compensation apparatus
03/05/2014CN203466571U Reactive fine compensation device
03/05/2014CN203466570U Phase-splitting compensation type dynamic harmonic suppression intelligent capacitor
03/05/2014CN203466569U Phase-splitting compensation type static harmonic suppression intelligent capacitor
03/05/2014CN203466568U Energy-saving intelligent filtering compensation measurement comprehensive protection wave optimization cabinet
03/05/2014CN203466567U Harmonic compensation circuit for internal mixer
03/05/2014CN203466566U Current converting device with multi-target load control function
03/05/2014CN203466442U Distributed generation grid-connected power distribution cabinet
03/05/2014CN203466052U Hollow multi-winding superconductive controllable electric reactor
03/05/2014CN103620942A Converter
03/05/2014CN103620904A Control method and control system for parallel operation of different types of power generation apparatuses
03/05/2014CN103620903A Power supply system
03/05/2014CN103620902A Controlling device and method for controlling power consumption in a system of power consuming devices
03/05/2014CN103620634A Information processing device, method for generating electric power price list, information processing system, and display device
03/05/2014CN103618470A Photovoltaic grid-connection micro inverter and power decoupling control method
03/05/2014CN103618340A Reserve optimized decision-making method coping with rapid ramping event
03/05/2014CN103618339A Distribution method of total regulation power in automatic generation control
03/05/2014CN103618338A Grid-connected access structure of distributed photovoltaic power station and 10-kV busbar of power distribution station
03/05/2014CN103618337A Grid-connected access structure of distributed photovoltaic power station and 10-kV power grid overhead line
03/05/2014CN103618336A Output digital modulation circuit and control system of rectifier type high-frequency chain grid-connected inverter
03/05/2014CN103618335A Control method for low-voltage ride through of photovoltaic grid-connected inverter
03/05/2014CN103618334A Electric energy recycling device used for generator and work method of electric energy recycling device
03/05/2014CN103618333A Direct-current side charging method of modular multi-level converter
03/05/2014CN103618332A Method for controlling controllable capacitor in CSCC-HVDC system
03/05/2014CN103618331A Direct-current overvoltage current limiting control method of flexible HVDC convertor station
03/05/2014CN103618330A Method for multi-port flexible high voltage direct current transmission system electrified connection through disconnecting switch
03/05/2014CN103618329A Multi-end flexible direct-current power transmission system and method for online isolation and grid connection of single station of multi-end flexible direct-current power transmission system
03/05/2014CN103618328A Power conversion system of mobile energy accumulating device
03/05/2014CN103618327A Large power energy storage current transformer and main circuit thereof
03/05/2014CN103618326A Method for controlling charging and discharging of energy storage system in wind power plant based on Kalman filtering
03/05/2014CN103618325A Designing method for wide area damping controller considering electric power system operation mode changes
03/05/2014CN103618324A Capacitance drawer cabinet device and mounting method thereof
03/05/2014CN103618323A STATCOM control system based on redundant controller
03/05/2014CN103618322A Dynamic reactive efficiency quantitative evaluation method oriented towards transient voltage stability
03/05/2014CN103618321A Reactive compensating capacitor device
03/05/2014CN103618320A Static synchronous reactive compensation device
03/05/2014CN103618319A Reactive compensation cabinet
03/05/2014CN103618318A Submerged arc furnace reactive power compensation system and method with static state and dynamic state combined
03/05/2014CN103618317A Advanced wattless power compensation method of power transformation engineering
03/05/2014CN103618316A High compensation precision method for controlling static synchronization compensator for power distribution network in electric system
03/05/2014CN103618315A BART algorithm and super-absorption wall-based reactive power optimization method for voltage of power grid
03/05/2014CN103618314A New considering saturation limiting control method of three-phase active electric power filter
03/05/2014CN103618313A Electricity-saving integrated load control device
03/05/2014CN103618312A Active power filtering device
03/05/2014CN103618311A Power distribution network load flow calculation method based on PV node-looped network comprehensive compensation matrix
03/05/2014CN103618310A High-capacity UPQC and control method thereof
03/05/2014CN103618309A Method and system for adjusting error parameters in power grid
03/05/2014CN103618308A Automatic control method for alternating current line power flow of alternating current and flexible direct current parallel-connection power transmission system
03/05/2014CN103618307A Emergency control method for improving safe stability of power system
03/05/2014CN103617357A Public transformer district low-voltage line loss analysis system and using method thereof
03/05/2014CN103199547B Control method of pulse-width modulation (PWM) rectifier and static synchronous compensator combined operation system
03/05/2014CN102638058B Grid-connected control system and method for variable-speed constant-frequency (VSCF) double-rotor permanent magnet wind generator
03/05/2014CN102638038B Parallel charging and discharging power conversion system
03/05/2014CN102624027B Multiprocess island effect detection device and method
03/05/2014CN102570465B Hybrid active power filter and SVPWM method based on filter
03/05/2014CN102545226B Device and method for harmonic suppression and reactive compensation
03/05/2014CN102496950B Power unit grid-connected and feedback device for high-voltage concatenated frequency converter
03/05/2014CN102361330B Active power optimizing and distributing method for wind generator unit of wind power station
03/05/2014CN102290814B Solar energy generation system
03/05/2014CN102270845B Power system transient stability digital simulation computation model and algorithm thereof
03/05/2014CN102195296B Grid-connected device of wind power generating system
03/05/2014CN102097824B Control method of LCL (Lower Control Limit) type grid-connected inverter
03/05/2014CN101938139B Variable frequency transformer having multiple horizontal rotary transformers and method thereof
03/05/2014CN101777855B Solar power plant
03/05/2014CN101672252B Wind turbine and method for control thereof
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