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)
08/2011
08/31/2011CN201956670U 一种错相保护器 A mistake phase protector
08/31/2011CN201956669U 发电机欠压保护装置 Generator undervoltage protection
08/31/2011CN201956668U 间隙过电压保护装置 Gap overvoltage protection device
08/31/2011CN201956667U 无源rs232光电隔离防雷器 Passive optical isolation rs232 mine
08/31/2011CN201956666U 一种高压柔性安全装置 A high-pressure flexible safety device
08/31/2011CN201956665U 微机保护装置 Microcomputer Protection Device
08/31/2011CN201956664U 一种高压电网保护装置 A high voltage power protection device
08/31/2011CN102171906A Protective circuit for an intermediate circuit of an inverter, particularly a solar inverter, against overvoltages
08/31/2011CN102171905A Method and protective device for producing an error signal indicating a winding error in a transformer
08/31/2011CN102171904A Overload relay
08/31/2011CN102170166A Parallel fuel cell electric power system
08/31/2011CN102170158A Charging circuit of electric automobile power battery
08/31/2011CN102170135A 35KV large capacity reactive compensation and harmonic suppression integrated system and control method thereof
08/31/2011CN102170117A Battery protecting device and protecting method
08/31/2011CN102170114A High-voltage direct-current transmission line low-voltage protective method
08/31/2011CN102170113A Breaker controller with fault interval isolation
08/31/2011CN102170112A Three-phase photovoltaic inverter anti-islanding method based on phase angle deviation positive feedback
08/31/2011CN102170111A Optimal-design-based variable sampling rate re-sampling method
08/31/2011CN102170110A Method for protecting modularized multi-level transverter valve
08/31/2011CN102170109A Method for acquiring sample data window width for stator ground protection device
08/31/2011CN101609979B Object-oriented bus protection setting method
08/31/2011CN101604839B Over-discharge protection circuit for rechargeable battery
08/31/2011CN101404408B Distribution network cable-wire mixed line failure route selection method by utilizing relative energy
08/30/2011US8009448 Forward-flyback converter with active-clamp circuit
08/30/2011US8009447 Energy effective switching power supply apparatus and an energy effective method thereof
08/30/2011US8009399 ESD improvement with dynamic substrate resistance
08/30/2011US8009393 Thermoelectric device utilized as voltage snubber
08/30/2011US8008804 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation
08/25/2011WO2011102876A1 Battery protection circuit and method for energy harvester circuit
08/25/2011WO2011102067A1 Protection circuit, battery control device, and battery pack
08/25/2011WO2011101587A1 Supraconductive coil transition detector
08/25/2011DE102010008815A1 Überspannungsschutz für einen Halbleiterschalter Surge protection for a semiconductor switch
08/24/2011EP2360832A1 Control method for frequency converter
08/24/2011EP2359450A1 Method and safety device for monitoring a bus bar of an electrical energy supply grid
08/24/2011EP2359449A1 Device for fire protection in electrical systems
08/24/2011CN201947218U 一种单相感应电机调速控制系统 A single-phase induction motor speed control system
08/24/2011CN201947187U Special power supply for high-power millimeter-wave solid-state power amplifier
08/24/2011CN201947024U 一种多路充电保护器 A multi-way charging protection
08/24/2011CN201947022U 一种具有正负极接反的充电保护器 Having a positive and negative reversed charging protection
08/24/2011CN201947015U 锂离子动力电池控制装置 Lithium-ion battery control device
08/24/2011CN201946982U 基于自适应控制的10kV配电线路串补调压装置 Series Compensation based on 10kV distribution line adaptive control regulating device
08/24/2011CN201946966U 一种通信设备分区供电保护装置 A communication device partition power protection devices
08/24/2011CN201946965U 一种切除过载或切除短路故障回路的系统 One kind of removal or the removal of a short circuit overload fault loop system
08/24/2011CN201946964U 故障相经阻抗接地消弧装置 By impedance ground fault phase arc crowbar
08/24/2011CN201946963U 弱信号电力供电微机保护器 Weak signal power supply of computer protection
08/24/2011CN201946962U 一种igbt功率开关管桥路的驱动保护电路 One kind of bridge igbt power switch driver protection circuit
08/24/2011CN201946961U 过充万能保护装置 Universal overcharge protection device
08/24/2011CN201946960U Multi-string high-power lithium battery control panel
08/24/2011CN201946959U 锂电池充电钻功率积分保护电路 Rechargeable lithium battery protection circuit drill power integration
08/24/2011CN201946958U 一种光电传感的三相电动机断相保护器 A photoelectric sensor of the three-phase motor phase failure protection
08/24/2011CN201946957U 一种智能交流电机控制器 An intelligent AC motor controller
08/24/2011CN201946956U Multifunctional comprehensive protector for electromotor
08/24/2011CN201946955U Novel startup control circuit of duplex winding compressor
08/24/2011CN201946954U 烤面包炉保护电路 Toasters protection circuit
08/24/2011CN201946953U Protective device of alternating current electric welder coil
08/24/2011CN201946952U 一种浪涌保护器的后备保护装置 Backup protection device for surge protector
08/24/2011CN201946714U High-power lithium ion battery with alarm function
08/24/2011CN201946540U 一种多功能剩余电流保护断路器 A multi-functional residual current circuit breakers
08/24/2011CN102165664A Transformer inrush current suppression device
08/24/2011CN102163920A Power source controlling semiconductor integrated circuit and insulated direct-current power source device
08/24/2011CN102163912A Semiconductor device
08/24/2011CN102163878A Method for classifying and realizing integral alarm facing to dispatching running way
08/24/2011CN102163856A Vehicle-to-grid (V2G)-technology-based vehicle-mounted charging and discharging device and control method thereof
08/24/2011CN102163839A Protection circuit and electronic device
08/24/2011CN102163838A Battery protection circuit and method
08/24/2011CN102163837A Method for protecting inverter in distributed generating system
08/24/2011CN102163836A Inverted power supply input nondestructive reverse connection protection circuit
08/24/2011CN102163835A Multifunctional test power supply device
08/24/2011CN102163834A Switching control circuit
08/24/2011CN102163833A Extension-type electrical ballast magnetic induction protector
08/24/2011CN102162822A Direct-current detection circuit and variable-frequency air conditioner using same
08/24/2011CN101751518B Cluster-based fault critical clearing time parallel computing method
08/23/2011US8004867 Switching power supply unit
08/23/2011US8004801 Apparatus for decreasing inrush current using SFCL and method for deciding optimal insertion resistance
08/23/2011US8004226 Method and system for detecting a failed current sensor in a three-phase machine
08/23/2011CA2668617C Meter having load control unit
08/23/2011CA2400935C Permanent magnet excited electric machine and method of operating such a machine
08/18/2011WO2011099472A1 Power conversion device, x-ray ct device, and x-ray image taking device
08/18/2011WO2011066596A3 Actuation circuit for an operating device for lighting means
08/18/2011WO2011059753A3 Management techniques for electric power generation equipment
08/18/2011US20110202197 Power supply system and power supply control method
08/18/2011DE102010020294A1 Rechargeable electrical energy storage unit for supplying electrical power to e.g. starter in motor car, has lithium ion accumulator and reverse polarity protection circuitry, which are accommodated in housing
08/18/2011DE102010000404A1 Protective circuit for electrical appliance, has correlation circuit that determines correlation value of function of output voltage and output current based on electrical parameter
08/17/2011EP2356728A1 Overload protection of a voltage reduction device
08/17/2011EP2220738B1 Drive system and associated control method
08/17/2011CN201937490U 一种三相调压器的可控硅相间短路式整流稳压电路 A three-phase voltage regulator rectifier thyristor phase short circuit voltage regulator circuit
08/17/2011CN201937474U 一种采用简单实用的输出过压保护电路的电源 One kind of simple and practical power output overvoltage protection circuit
08/17/2011CN201937468U Dc110v转dc5v电源模块 Dc110v turn dc5v Power Module
08/17/2011CN201937319U 电池充电断电保护装置 Battery charging power protection devices
08/17/2011CN201937311U 一种全自动不间断电源 A fully automatic uninterruptible power supply
08/17/2011CN201937276U 抽油机无功补偿电容器控制电路 Pumping reactive power compensation capacitor control circuit
08/17/2011CN201937255U 一种同相供电设备继电保护系统 A device with phase power protection systems
08/17/2011CN201937254U 断路器合闸线路上的保护装置 Protective device on the line circuit breaker closing
08/17/2011CN201937253U 一种保护桥臂中的开关管的系统 A protective arm of the switch system
08/17/2011CN201937252U 内置功率mos管的锂电池保护集成电路 Lithium battery protection IC built-in power mos tube
08/17/2011CN201937251U 多节锂电池保护电路阈值可调的集成电路 Multi lithium battery protection circuit integrated adjustable threshold
08/17/2011CN201937250U 一种电容器组的谐波保护装置 Harmonic protection device for capacitor banks
08/17/2011CN201937249U 一种逆变电源及其短路保护装置 An inverter power and short-circuit protection device
08/17/2011CN201937248U 一种开关电源自锁保护电路 A switching power supply protection circuit self-locking
08/17/2011CN201937247U 异常高电压保护电路 Abnormally high voltage protection circuit