H02J 3 - Circuit arrangements for ac mains or ac distribution networks

Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
09/2011
09/21/2011	CN201982143U 螺杆膨胀动力机输出功率的控制系统 Screw expansion power machine output power control system
09/21/2011	CN102197562A Device for feeding a consumer network with the electric power of a supply network
09/21/2011	CN102195463A Method and system for starting network-side converter of full-power wind generating set
09/21/2011	CN102195340A Statistical estimation processing method for reliability indexes of transmission system
09/21/2011	CN102195298A Centralized generating set of renewable energy source
09/21/2011	CN102195297A Non-isolated DC - DC converter for solar power plant
09/21/2011	CN102195296A Grid-connected device of wind power generating system
09/21/2011	CN102195295A Wind-solar-fuel storage battery hybrid grid-connected and off-grid dual-purpose system
09/21/2011	CN102195294A Wind farm reactive comprehensive optimization control method
09/21/2011	CN102195293A Continuous-conical-surface automatic locking type compensator
09/21/2011	CN102195292A Power factor correcting device
09/21/2011	CN102195291A Automatically identifying control method for main transformer overload joining-cutting load based on running mode
09/21/2011	CN102195290A Control circuit, power conditioner including the control circuit, and photovoltaic system
09/21/2011	CN102195289A Cascade-structure-based hybrid active power filter
09/21/2011	CN102195288A Active tuning type hybrid filter and control method of active tuning
09/21/2011	CN102195287A Parallel-connection active power filter suitable for three-phase four-wire power grid system
09/21/2011	CN102195286A Parallel-connection decoupling circuit for realizing parallel-connection direct-current network management
09/21/2011	CN102194188A Power trade server, green market management server and trading management method
09/21/2011	CN102194058A Wide-area-measurement-system (WAMS)-based power grid safety and stability visualization method
09/21/2011	CN102193023A Synchronization detecting circuit and automatic synchronous parallelization apparatus
09/21/2011	CN102189653A Electric force and power scheduling system for plastic injection molding machine or rubber product processing machine
09/21/2011	CN101950964B System containing cogeneration unit and pure condensing steam thermal power unit as well as scheduling method
09/21/2011	CN101950963B System and method for avoiding startup and shutdown peaking by matching heat and power cogeneration unit with pure condensing thermal power unit
09/20/2011	US8024077 Smart transformer
09/20/2011	US8024076 Voltage collapse diagnostic and ATC system
09/20/2011	US8022575 Damping electromagnetic oscillations in power systems
09/20/2011	CA2554685C Scaffold mounted electrical power distribution panel
09/15/2011	WO2011112255A2 Regulation of contribution of secondary energy sources to power grid
09/15/2011	WO2011111477A1 Energy management system
09/15/2011	WO2011111475A1 Solar power generation system and power supply system
09/15/2011	WO2011111260A1 Photovoltaic power generation system
09/15/2011	WO2011111252A1 Photovoltaic power generation system
09/15/2011	WO2011110923A1 Electric power supply system
09/15/2011	WO2011110433A2 Device for converting electric energy and method for operating such a device
09/15/2011	WO2011088352A3 Load control module for a generator and method of operation
09/15/2011	WO2011059585A3 System and method for optimizing power loads in a power distribution unit
09/15/2011	WO2011050807A3 Wind power plant with optimal power output
09/15/2011	WO2011047669A3 Metal or ceramic powder press and control method therefor
09/15/2011	WO2011031652A3 Three phase power generation from a plurality of direct current sources
09/15/2011	US20110224927 Energy consumption improvement calculation apparatus, method for controlling same, and energy consumption improvement calculation program
09/15/2011	US20110221281 Method for detecting capacity leakage of capacitor in power conditioner, power conditioner performing the same, and photovoltaic power system provided with the same
09/15/2011	US20110221280 System and method for control of a grid connected power generating system
09/15/2011	US20110221274 Photovoltaic Grounding
09/15/2011	US20110221273 Inverter Power System
09/15/2011	US20110221271 Signal Variance Sensing Power Controller
09/15/2011	US20110221270 Node redundant power architecture for two domains with electronic circuit breakers
09/15/2011	US20110221269 Power generation system comprising a plurality of inverters
09/15/2011	DE102010011416A1 Energieregelvorrichtung zum Regeln hybrider Energiequellen für ein Flugzeug Power control apparatus for controlling a hybrid energy sources for an aircraft
09/15/2011	DE102010011117A1 Energy system for self-sufficient energy supply to single-family residential building and reducing load peaks in mains supply, has spring or weight for storing energy as potential energy that is converted into electrical or heat energy
09/14/2011	EP2365600A2 Demand response method, computer-readable medium and system
09/14/2011	EP2365599A1 Device for converting electrical energy and method for operating such a device
09/14/2011	EP2365598A1 System and method for supplying electrical energy from multiple sources to a load
09/14/2011	EP2364522A1 Photovoltaic power plant having an offset voltage source controlling the dc potential at the inverter output
09/14/2011	CN201976287U Distributing type grid connected solar energy street lamp controlling device
09/14/2011	CN201976053U 潜油永磁同步旋转电机控制系统 Submersible motor control system of permanent magnet synchronous rotation
09/14/2011	CN201976052U 潜油永磁同步直线电机控制系统 Submersible permanent magnet synchronous linear motor control system
09/14/2011	CN201976051U 变频器负载检测装置 Inverter load detection device
09/14/2011	CN201976042U 并网太阳能光伏发电系统 Grid-connected solar photovoltaic power generation system
09/14/2011	CN201976034U 太阳能光伏发电系统 Solar photovoltaic systems
09/14/2011	CN201975853U 不间断备用电力系统 Uninterruptible backup power systems
09/14/2011	CN201975839U 电动汽车充放电系统 Electric vehicle charging and discharging system
09/14/2011	CN201975801U 一种新型孤岛检测系统 A new islanding detection system
09/14/2011	CN201975800U 半控变流器驱动交流永磁同步发电机系统 Semi-controlled inverter-driven permanent magnet synchronous generator system
09/14/2011	CN201975799U 一种光伏逆变器控制系统 A photovoltaic inverter control system
09/14/2011	CN201975798U Fire wall structure of propelled converter transformer in converter station
09/14/2011	CN201975797U 磁阀式可控电抗器励磁控制装置 Magnetic valve controllable reactor excitation control device
09/14/2011	CN201975796U 高压电真空多级组合式无功补偿装置 Multi-level modular high-voltage vacuum reactive power compensation device
09/14/2011	CN201975795U 复合励磁触发、双励磁绕组mcr型磁控电抗器 Complex excitation trigger, dual magnetic field winding mcr type reactors
09/14/2011	CN201975794U 基于短期负荷预测的变电站电压无功综合控制装置 Short-term load forecasting based substation voltage and reactive power control device
09/14/2011	CN201975793U Chain type STATCOM (Static Synchronous Compensator) control system based on EtherCAT technology
09/14/2011	CN201975792U 制胶设备节电器 Glue device Saver
09/14/2011	CN201975791U 采用rs485总线控制的低压复合开关 Rs485 bus control using low-pressure composite switch
09/14/2011	CN201975790U 带有核心控制器、开口ct的支线电压调节装置 Line voltage with a core controller, opening adjustment device ct
09/14/2011	CN201975789U 谐波电流抵消模块及模块组 Harmonic current cancellation modules and module groups
09/14/2011	CN201975788U 一种电力测控模块 A power control module
09/14/2011	CN201975783U 一种串联滤波式浪涌保护器 A tandem-type surge protector filter
09/14/2011	CN201974692U 船舶功率管理系统 Ship Power Management System
09/14/2011	CN102187543A Apparatus and method for reactive power compensation of a test transformer
09/14/2011	CN102187542A Adaptive generation and control of arbitrary electrical waveforms in a grid-tied power conversion system
09/14/2011	CN102187541A Electrical energy saving system
09/14/2011	CN102187540A Short-term load forecasting based capacity check for automated power restoration of electric distribution networks
09/14/2011	CN102187364A Amount-of-room-for-improvement calculation apparatus, method for controlling same, and amount-of-room-for-improvement calculation program
09/14/2011	CN102185557A Speed regulation control system of single-phase induction motor
09/14/2011	CN102185550A Double-unit wind power generation grid-connected system and control method thereof
09/14/2011	CN102185533A Stored energy type standard-Z source photovoltaic power generation control system and method
09/14/2011	CN102185532A Grid-connected and off-grid hybrid solar energy photovoltaic generating system
09/14/2011	CN102185531A Solar photovoltaic off-grid and grid-connected multi-mode generating system
09/14/2011	CN102185513A Parallel structure and control method for photovoltaic power generation grid-connected inverter
09/14/2011	CN102185506A Intelligent photovoltaic inversion method
09/14/2011	CN102185464A Insulating beam for high-voltage direct current (DC) converter valve
09/14/2011	CN102185369A Energy recovering method and device of inertial towing equipment
09/14/2011	CN102185367A Pulse width modulation (PWM) rectification, variable-voltage and variable-current pulse charging system of electric vehicle
09/14/2011	CN102185341A Master-slave control strategy microgrid-based main power supply double-mode running control method
09/14/2011	CN102185340A Ship power management system
09/14/2011	CN102185339A Method for selecting three-phase photovoltaic grid-connected SVM (space vector modulation) sequences
09/14/2011	CN102185338A Steam on-grid control system
09/14/2011	CN102185337A Grid stimulating device
09/14/2011	CN102185336A Wind power generating equipment
09/14/2011	CN102185335A Novel island detection method and system
09/14/2011	CN102185334A Multiple fully-automatic large-horsepower high-speed integrated parallel and commercial power interconnection system and power supply method thereof

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