Patents
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
10/2010
10/27/2010CN201616659U 多模冗余灭磁保护回路 Multimode redundant protection circuit Deexcitation
10/27/2010CN201616658U 反向能量回收电路 Reverse energy recovery circuit
10/27/2010CN201616657U 自耦变压器的热保护电路 Auto transformer thermal protection circuit
10/27/2010CN201616334U 一种智能油浸变压器 An intelligent oil-immersed transformers
10/27/2010CN201615431U 太阳能led星星灯 Solar led star lights
10/27/2010CN201614245U 带有过载保护装置的机动绞磨机 Motor cutter grinder with overload protection device
10/27/2010CN101874333A Remote-operable micro-electromechanical system based over-current protection apparatus
10/27/2010CN101873094A Control system of redundant high voltage permanent magnet brushless direct current motor
10/27/2010CN101873062A Power supply and power supply system with a plurality of power supplies
10/27/2010CN101872990A Storage battery non-damage rapid balanced charger and control strategy thereof
10/27/2010CN101872988A Battery pack
10/27/2010CN101872986A Battery module, battery system, and electric vehicle
10/27/2010CN101872978A Power supply device for ultrahigh-power silicon carbide smelting furnace and silicon carbide smelting device
10/27/2010CN101872964A Wide area measurement system based back-up protection method of multi-terminal high-voltage power transmission area
10/27/2010CN101872963A Supply line transient state protection method based on wave shape identification and device thereof
10/27/2010CN101872962A Switch embedded integrated circuit and method for protecting battery
10/27/2010CN101872958A Input voltage under-voltage protection circuit of switching power supply
10/27/2010CN101870097A Electric screw driver having magnetic force overload protector
10/27/2010CN101431228B Thermal protection control method and system
10/27/2010CN101207282B Apparatus and method for implementation of orbit traffic direct current feed protection
10/26/2010US7821800 Power adapter for providing output power limiting and load-dependent voltage regulation
10/26/2010US7821798 High voltage power supply
10/26/2010US7821750 Voltage converter for preventing switch device from being damaged by voltage spike by utilizing protection circuit
10/26/2010CA2397635C Thermally protected electric machine
10/21/2010WO2010079082A3 Method and device for monitoring the startup of an electrical drive
10/21/2010US20100264866 Motor drive device with lock protection function
10/21/2010US20100264865 Drive system and associated control method
10/20/2010EP2240991A2 Protective circuit for energy-strorage device
10/20/2010CN201611865U 窄轨蓄电池永磁同步电机车 Narrow Gauge Battery permanent magnet synchronous motor vehicles
10/20/2010CN201611860U 新型抽油机启动装置 Start new pumping device
10/20/2010CN201611792U 一种电池充电安全防护电路 A battery charging safety circuit
10/20/2010CN201611787U 充电器 Charger
10/20/2010CN201611781U 多路阶梯式智能补偿的智能电容器 Multiple stepwise smart intelligent compensation capacitor
10/20/2010CN201611776U 一种多cpu架构的分散式小电流接地选线装置 A multi-cpu architecture of distributed small current grounding line selection device
10/20/2010CN201611775U 母线室弧光监测与保护装置 Busbar chamber arc monitoring and protection devices
10/20/2010CN201611774U 一种非电量检测继电器 A non-battery detection relay
10/20/2010CN201611773U 可编程主控隔离保护装置 Programmable master isolation protection device
10/20/2010CN201611772U 软包装型锂电池自保护电路 Flexible type lithium battery protection circuit since
10/20/2010CN201611771U 通信隔离保护装置 Communication isolation protection device
10/20/2010CN201611770U 三相电机缺相自动断电保护装置 Three-phase motor phase automatic power-off protection device
10/20/2010CN201611769U 带温控保护装置的型材切割机 Profile cutting machine with temperature protection device
10/20/2010CN201611768U 一种电动机保护控制器 A motor protection controller
10/20/2010CN201611767U 电动车的电源控制系统 The power control system of the electric vehicle
10/20/2010CN201611766U 一种电动机过热保护器 A motor overheating protection
10/20/2010CN201611763U 智能大容量快速限流保护装置 Intelligent high-capacity fast current limiting protection device
10/20/2010CN201611451U 智能数控数显直流稳压电源 Intelligent CNC Digital DC Power Supply
10/20/2010CN201611063U 太阳能led草坪灯 Solar led lawn light
10/20/2010CN101868900A Method and device for correcting temperature-dependent changes in the mechanical properties of a mobile closing part of a vehicle
10/20/2010CN101868899A Overcurrent protection in a dimmer circuit
10/20/2010CN101867335A Star/triangle conversion energy-saving protector of digital readout electromotor
10/20/2010CN101867307A Ozone high-voltage power supply
10/20/2010CN101867298A Intrinsically-safe power supply device for mining
10/20/2010CN101867212A Charging circuit with three-phase multi-way switch and power factor compensation of electric automobile
10/20/2010CN101867205A Device and method for maintaining lithium ion battery pack
10/20/2010CN101867204A Battery energy management device of electric vehicle and method
10/20/2010CN101867199A Device and method for storing electricity for fiber access device
10/20/2010CN101867183A Method for calculating interactive-influenced electricity transmission limit with multiple sections and stable transmission level
10/20/2010CN101867179A Relay protection entire network optimal constant value automatic adjusting and coordinating method
10/20/2010CN101867178A Fault location method using three primary colours to represent travel waves of single-phase earth fault current of transmission line
10/20/2010CN101867177A Over-voltage and over-current hardware protection circuit and DC power supply circuit
10/20/2010CN101867176A Protector for prolonging lives of vehicle batteries
10/20/2010CN101867175A Shutdown circuit of GPS vehicle-mounted position system with function of remote multi-domain automatic shutdown
10/20/2010CN101867174A IGBT short-circuit protection circuit in frequency converter and method thereof
10/20/2010CN101867173A Control circuit protection system of permanent magnet driving motor for vehicle
10/20/2010CN101867172A Heat protection circuit
10/20/2010CN101867171A Distributed generator islanding detection method based on impedance measurement
10/20/2010CN101867170A Fibre channel protector test method for simulating system failure and channel abnormal simultaneously
10/20/2010CN101867169A Protection circuit and power supply system for flash memory
10/20/2010CN101866791A Undervoltage open-phase protection contactor
10/20/2010CN101865967A Device for single-phase earth fault line selection and method thereof
10/20/2010CN101865080A Dead zone generation circuit of driver of variable pitch control system
10/20/2010CN101013807B Electronic panel
10/19/2010US7817452 Phase shifted H-Bridge resonant converter with symmetrical currents
10/19/2010US7817450 Method and apparatus for resetting a silicon controlled rectifier bridge
10/19/2010US7817396 High efficiency and high bandwidth plasma generator system for flow control and noise reduction
10/19/2010US7817395 Overvoltage protection element and ignition element for an overvoltage protection element
10/19/2010US7817384 Control and protection methodologies for a motor control module
10/19/2010US7817383 Windscreen wiper comprising a protection device for the electric motor thereof
10/14/2010WO2010117498A2 Battery cell protection and conditioning circuit and system
10/14/2010WO2010116633A1 Protection circuit and battery pack
10/14/2010WO2010115452A1 Power flow control in a meshed hvdc power transmission network
10/14/2010US20100259956 Dimmable Power Supply
10/14/2010US20100259859 Method of ensuring the coordinated arc fault protection in a heirarchial power distribution system
10/14/2010US20100259099 Systems and methods involving motor drive ground fault interrupts
10/14/2010DE19904060B4 Einrichtung mit einer Spannungsüberwachungsschaltung und Verfahren zum Überwachen der Spannung einer wiederaufladbaren Batterie Means having a voltage monitoring circuit and method for monitoring the voltage of a rechargeable battery
10/14/2010DE102009050806A1 Current responsive-trigger circuit, has evaluation electronics arranged downstream to rectifier component, and triggering component i.e. triggering actuator, arranged downstream to evaluation component
10/14/2010DE102009002253A1 Batteriesystem mit externem Stromkreis Battery system with external circuit
10/14/2010DE102006036956B4 Steuereinheit für einen elektrischen Antriebsmotor Control unit for an electric drive motor
10/13/2010EP2239840A1 Electric motor protection system
10/13/2010EP2239839A2 Systems and methods involving motor drive ground fault interrupts
10/13/2010EP2238664A1 Distance protection and method for monitoring an electrical power transmission line
10/13/2010EP1566873B1 Protection circuit group with ring structure for power electronics control devices
10/13/2010CN201608688U 一种防止短路的变频控制电路 An inverter control circuit to prevent short circuits
10/13/2010CN201608640U 电梯节能电源板及包含该电源板的电梯控制系统 Elevator saving power board and the power board contains an elevator control system
10/13/2010CN201608563U 电弧光智能远程监控系统 Arc intelligent remote monitoring system
10/13/2010CN201608549U 一种低成本的镍氢充电电池电路 A low-cost nickel-metal hydride rechargeable battery circuit
10/13/2010CN201608534U 电气化铁道微机控制调压式无功自动补偿装置 Electrified railway regulator type microcomputer control automatic reactive compensation devices
10/13/2010CN201608526U 核磁共振超导磁体室温匀场电源 MRI superconducting magnets at room temperature shim power
10/13/2010CN201608516U 一种高可靠性电弧光保护装置 A highly reliable arc protection device
10/13/2010CN201608515U 开关柜中用于馈线电缆的电弧光保护系统 Arc protection system for switchgear feeder cables