| 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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| 08/17/2011 | CN201937246U 微机监控电机保护器 Computer monitor motor protector |
| 08/17/2011 | CN201937245U 一种大中型电机工况远程监测保护装置 One kind of medium-sized motor protection devices for remote monitoring condition |
| 08/17/2011 | CN201937244U 一种带无线温度测量的微机电动机保护监控装置 Computer motor protection monitoring device with a wireless temperature measurement |
| 08/17/2011 | CN201937243U 防感应雷、保险丝烧断闪烁光指示变压器 Anti-lightning, flashing light indicates the transformer fuse blows |
| 08/17/2011 | CN201937242U 一种浪涌保护器的监控装置 One kind of surge protector monitoring device |
| 08/17/2011 | CN1848582B Electrified wire netting supervisory relay for automatic phase correcting, possessing switch output |
| 08/17/2011 | CN1737838B Method and apparatus for providing economic analysis of power generation and distribution |
| 08/17/2011 | CN102160276A Normally-off protection element and control unit provided with same |
| 08/17/2011 | CN102158306A Method for carrying out seamless handover between longitudinal differential protection and pilot protection under single channel |
| 08/17/2011 | CN102158282A Optical fiber longitudinal difference protection device and synchronous communication method thereof |
| 08/17/2011 | CN102158149A Electronic circuit for starting small refrigerating compressor motor |
| 08/17/2011 | CN102158100A Triphase variable-frequency power supply with high power and operating method thereof |
| 08/17/2011 | CN102158030A Multiwinding series connection variable volume induction motor and control device thereof |
| 08/17/2011 | CN102157981A High-speed data acquisition and digital signal processing device |
| 08/17/2011 | CN102157966A Intelligent photovoltaic controller with multiple functions |
| 08/17/2011 | CN102157932A Method for realizing transient stability domain visualization of power system |
| 08/17/2011 | CN102157923A Hierarchical control method for self-healing electric distribution network |
| 08/17/2011 | CN102157922A Reactance relay and re-closing method |
| 08/17/2011 | CN102157921A Insulated gate bipolar transistor (IGBT) short circuit protection circuit and control method |
| 08/17/2011 | CN102157920A Synchronous rectification control circuit and control method thereof |
| 08/17/2011 | CN102157919A Boost power supply conversion device |
| 08/17/2011 | CN102157918A Phase failure and overheating comprehensive protector for motor |
| 08/17/2011 | CN102157917A Lower-than-lower-limit reverse control time base circuit |
| 08/17/2011 | CN102157718A Safety breaker protection control system of large-capacity battery system |
| 08/17/2011 | CN102156240A Regional electric network failure diagnosis method based on five-layer and three-region cause and effect rule network |
| 08/17/2011 | CN102156000A Electric motor, electric motor winding temperature detection method and device as well as electric motor winding thermal protection method and device |
| 08/17/2011 | CN101651335B Electronic equipment protection device and electronic equipment |
| 08/17/2011 | CN101630586B Air switch preventing voltage transformer secondary side anti-charge |
| 08/16/2011 | US8000116 Output protection circuit of a power converter |
| 08/16/2011 | US8000071 Apparatus and method for reducing the die area of a PWM controller |
| 08/16/2011 | US7999528 Dual mode transient recovery control method of DC-DC converters |
| 08/11/2011 | WO2011095225A1 Method for controlling a machine or an electrical load supplied with electric power over a long line |
| 08/11/2011 | WO2011018703A3 Method and system for distributed power management |
| 08/11/2011 | US20110194214 High dimming ratio control and short circuit protection for led drive with step up converter |
| 08/11/2011 | US20110193506 Motor driver and method of controlling the same |
| 08/11/2011 | US20110193420 Power generation circuit using electromagnetic wave |
| 08/11/2011 | DE102010007495A1 Modulbypassschaltung für ein Photovoltaikmodul Bypass circuit module for a photovoltaic module |
| 08/11/2011 | CA2789205A1 Method for controlling a machine or an electrical load supplied with electric power over a long line |
| 08/10/2011 | EP2355290A1 Protection circuit for a drive circuit of a permanent magnet motor and corresponding system |
| 08/10/2011 | EP2355289A2 Stepping motor connection detecting circuit |
| 08/10/2011 | EP2355287A1 Overvoltage protection device for electromotors |
| 08/10/2011 | EP2354932A1 Computer system, method for booting a computer system, and method for replacing a component |
| 08/10/2011 | CN201928231U 三相电动机控制保护柜 Three-phase motor control and protection cabinet |
| 08/10/2011 | CN201928225U 双馈风电变流器网侧变换器 Doubly-fed wind power converter grid side converter |
| 08/10/2011 | CN201928089U 10kV线路综合保护装置 10kV line integrated protection device |
| 08/10/2011 | CN201928077U 车载汽车电子装置的多功能电源 Multifunctional Power-vehicle automotive electronics devices |
| 08/10/2011 | CN201928058U 一种高效安全的蓄电池充电器 A highly secure battery charger |
| 08/10/2011 | CN201928045U 整合型多口usb充电器 Integrated multi-port usb charger |
| 08/10/2011 | CN201928010U Intelligent digital relay protective device |
| 08/10/2011 | CN201928009U 防灾安全监控网 Disaster prevention and safety monitoring network |
| 08/10/2011 | CN201928008U 太阳能电池对车载蓄电池的保护电路 Solar vehicle battery protection circuit |
| 08/10/2011 | CN201928007U 防止断相保护防爆控制箱 Explosion protection to prevent the loss of phase control box |
| 08/10/2011 | CN201928006U 环链电动葫芦用电机过载和缺相保护电路 Chain hoist motor overload and phase loss protection circuits |
| 08/10/2011 | CN201928005U 防感应雷变压器 Anti-lightning transformers |
| 08/10/2011 | CN201928004U 基于单片机的静电消除器变压器保护电路 Elimination of transformer protection circuit microcontroller-based electrostatic |
| 08/10/2011 | CN201928003U 变压器高压侧保护装置 Transformer high side protection device |
| 08/10/2011 | CN201928002U 电力变压器过载保护装置 Power transformer overload protection device |
| 08/10/2011 | CN201928001U 电流互感器开路保护器 Open circuit protection current transformer |
| 08/10/2011 | CN201928000U 一种放电计数器可远距离安装的避雷装置 A lightning protection device can be remotely installed discharge counter |
| 08/10/2011 | CN201927999U 晶闸管无功补偿缺相保护系统 Thyristor reactive power compensation phase protection systems |
| 08/10/2011 | CN201927998U Led背光灯串短路保护电路 Led backlight string short circuit protection |
| 08/10/2011 | CN201927569U 一种不间断电源电池组充电保护熔断器熔断的警示装置 One kind of uninterruptible power supply battery charge protection fuse blown warning device |
| 08/10/2011 | CN201925729U Multi-functional movable illuminating lamp |
| 08/10/2011 | CN102148594A Matching structure of starter, protector and shell of refrigeration compressor motor |
| 08/10/2011 | CN102148559A Motor for water pump |
| 08/10/2011 | CN102148505A Reactive compensation controller |
| 08/10/2011 | CN102148495A Single-phase earth fault self-healing device and system |
| 08/10/2011 | CN102148494A Bridge arm conduction protection circuit and rectification circuit |
| 08/10/2011 | CN102148493A Overdischarge protector for battery in solar power system |
| 08/10/2011 | CN102148492A Method for acquiring control input signal of subsynchronous oscillation suppression and control device |
| 08/10/2011 | CN101499355B Magnet protection system for power fail of electromagnet |
| 08/10/2011 | CN101478142B Power switch tube protecting circuit in semi-bridge induction heating circuit |
| 08/10/2011 | CN101404409B Cut-off ground fault recognition method for electrified railroad AT power supply contact system |
| 08/10/2011 | CN101401272B Electronic tripping unit for a motor-circuit breaker of an electric motorelectronic tripping unit for a motor-circuit breaker of an electric motor |
| 08/10/2011 | CN101278454B Abrupt metal-insulator transition device, circuit and electrical and/or electronic system |
| 08/10/2011 | CN101232176B Non-effective earthing distribution system fault locating method based on neutral point of transient traveling wave |
| 08/10/2011 | CN101227077B Breaker for voltage transformer and operating method thereof |
| 08/09/2011 | US7994747 Suppressing phased motor voltage transients on disconnect |
| 08/09/2011 | CA2414826C Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same |
| 08/09/2011 | CA2374381C Load control system having an overload protection circuit |
| 08/04/2011 | WO2011031067A3 Input and output controlling circuit of battery management system |
| 08/04/2011 | US20110188274 Fault condition protection |
| 08/04/2011 | US20110188159 Method and device for supervising secondary circuit of instrument transformer in power system |
| 08/04/2011 | US20110188158 Protection circuit for a drive circuit of a permanent magnet motor and corresponding system |
| 08/04/2011 | DE102010006594A1 Drive system, has control electronics connected to safety monitor for data exchange via electrical cables, such that one model value is supplied to monitor that comprises comparison unit for comparing model value with another model value |
| 08/04/2011 | DE102010006593A1 Drive system, has current sensor arranged in two phases of alternating current, where detected current values are fed to safety monitor that comprises unit for determining model values for physical variable |
| 08/04/2011 | DE102010001372A1 Wiederanlaufschutz für batteriebetriebene Elektrogeräte Restart protection for battery-powered electronic devices |
| 08/03/2011 | EP1647078B1 Electrical machine |
| 08/03/2011 | CN201918960U 一种破碎机变频控制装置 One kind of crusher frequency control devices |
| 08/03/2011 | CN201918914U 一种电动车逆变器 An electric vehicle inverter |
| 08/03/2011 | CN201918892U 电动机保护器电源模块 Motor protection Power Module |
| 08/03/2011 | CN201918848U 一种电动机热保护器固定结构 A motor thermal protector fixed structure |
| 08/03/2011 | CN201918795U 便携式移动电源 Portable Power |
| 08/03/2011 | CN201918774U 一种自冷式双环控制型充电器 A self-cooling loop control charger |
| 08/03/2011 | CN201918755U 一种太阳能电池防反接保护电路开关单元的驱动电路 A solar cell anti-reverse protection circuit switching unit drive circuit |
| 08/03/2011 | CN201918753U 一种基于PSoC的MPPT型太阳能充电控制器 PSoC-based MPPT solar charge controller |
| 08/03/2011 | CN201918750U 输电线路在线监测终端设备节电管理装置 Online monitoring of transmission line terminal equipment power saving management device |
| 08/03/2011 | CN201918729U 一种共正极结构的太阳能充电控制器的防反接保护电路 A total solar charge controller cathode structure of anti-reverse protection circuit |
| 08/03/2011 | CN201918716U 一种继电保护屏 One kind of screen protection |
| 08/03/2011 | CN201918715U 高压配电柜安全保护装置 High voltage distribution cabinet security devices |