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