| 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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| 07/11/2012 | CN102570397A Motor working protection device |
| 07/11/2012 | CN102570396A Anti-explosion automatic switch of motor electric leakage early warning device |
| 07/11/2012 | CN102570395A Automatic identification and empty-fetch protection method for photovoltaic water pump frequency converter |
| 07/11/2012 | CN102570394A Electric power tool |
| 07/11/2012 | CN102570393A Power integral protection circuit of lithium battery charge drill |
| 07/11/2012 | CN102570392A Method for identifying exciting inrush current of transformer based on improved probability neural network |
| 07/11/2012 | CN102570391A Configuration realization method for transformer protection |
| 07/11/2012 | CN102570390A On-line monitoring and protecting device for series reactor |
| 07/11/2012 | CN102570389A High-voltage error detection protecting method of avometer and avometer |
| 07/11/2012 | CN102570388A Controllable device of surge protector |
| 07/11/2012 | CN102570387A Back-up protection device of surge protector |
| 07/11/2012 | CN102570386A Back-up protection device (relay) of surge protector |
| 07/11/2012 | CN102568786A Smart transformer |
| 07/11/2012 | CN101826814B Rail pressure generation module and system integration technology |
| 07/11/2012 | CN101826720B Clamping absorption integrated circuit for two-stage matrix converter |
| 07/11/2012 | CN101572496B Programmed switch power supply controlled by SCM |
| 07/11/2012 | CN101056000B Electronic device and method for controlling the same |
| 07/10/2012 | US8218278 Current differential relay device, signal processing method thereof and power transmission line protection system |
| 07/10/2012 | US8218273 Driving device with motor current overload protection assembly |
| 07/10/2012 | US8218272 Early quench detection in a superconducting article |
| 07/10/2012 | US8217630 Electric load damper for damping torsional oscillation |
| 07/10/2012 | US8217612 Collision monitoring system |
| 07/10/2012 | US8217611 Automated refrigerator opener |
| 07/10/2012 | US8217603 Apparatus and method for driving rotary machine |
| 07/10/2012 | US8217536 Magnetizing inrush current suppression device for transformer and control method of same |
| 07/10/2012 | CA2616530C Fault management of hts power cable |
| 07/10/2012 | CA2567817C Method for fault handling in a converter circuit for switching three voltage levels |
| 07/10/2012 | CA2549876C Variable ac voltage regulation control method and apparatus |
| 07/05/2012 | WO2012090036A1 A method and an apparatus for supervision of current transformer in a differential protection system |
| 07/05/2012 | WO2012089947A1 Short-circuiting device for a photovoltaic array |
| 07/05/2012 | WO2012089480A1 Protective circuit in a screen wiper drive and screen wiper drive |
| 07/05/2012 | US20120170158 Superconducting resistive fault current limiter |
| 07/05/2012 | US20120169116 On-Board Power Supply Protection |
| 07/04/2012 | CN202309581U 一种马达控制电路及控制装置 A motor control circuit and a control means |
| 07/04/2012 | CN202309564U 一种光伏直流汇流装置 A DC bus system PV |
| 07/04/2012 | CN202309537U 具有宽电压范围及ia等级的防爆电源 Ia with a wide voltage range and power level explosion |
| 07/04/2012 | CN202309536U 海上复合驱油智能高频脱水电源控制装置 Offshore oil flooding intelligent high-frequency power supply control apparatus dehydration |
| 07/04/2012 | CN202309527U 一种反激式开关电源输出短路保护电路 One kind of flyback switching power supply output short circuit protection |
| 07/04/2012 | CN202309526U 一种逆变式高压电源 An inverter-type high voltage power supply |
| 07/04/2012 | CN202309160U 一种发热装置及使用该发热装置的保暖用品 A heating device and use warm items of the heat-generating unit |
| 07/04/2012 | CN202309143U 一种数字化的充电控制装置 A digital control apparatus of the charging |
| 07/04/2012 | CN202309109U 具有节能助力功能的电动工具电源系统 Electric energy-saving power supply systems function tool |
| 07/04/2012 | CN202309069U 一种智能电网控制器 An intelligent power controller |
| 07/04/2012 | CN202309050U 铁路接触网馈线智能保护装置 Railway Catenary Feeder intelligent protection device |
| 07/04/2012 | CN202309049U 电力系统变电站差动保护系统 Differential power system substation protection system |
| 07/04/2012 | CN202309048U 带零序方向判断的中压开关保护控制器 Medium voltage switchgear protection controller with Zero sequence determination |
| 07/04/2012 | CN202309047U 适用于客运专线的铁路配电所进线保护测控装置 Suitable for Passenger Dedicated Line Railway Substation IED |
| 07/04/2012 | CN202309046U Reliable intelligent transformer substation GOOSE tripping protective device |
| 07/04/2012 | CN202309045U 一种电动接地开关数字控制保护装置 An electrical grounding switch digital control and protection devices |
| 07/04/2012 | CN202309044U Insulated gate bipolar translator (IGBT) module driving circuit applicable to high power inverter |
| 07/04/2012 | CN202309043U 开关电源及其加强绝缘保护电路 Its reinforced insulation protection switching power supply circuit |
| 07/04/2012 | CN202309042U 一种动力锂电池组保护板 A power lithium battery protection board |
| 07/04/2012 | CN202309041U 一种浮充保护电路 One kind of float protection circuit |
| 07/04/2012 | CN202309040U 一种备用电池保护电路 A backup battery protection circuit |
| 07/04/2012 | CN202309039U 一种锂离子/锂聚合物电池组保护电路 A lithium-ion / Li-polymer battery pack protection circuit |
| 07/04/2012 | CN202309038U 大功率变频装置igbt短路保护电路 Igbt power inverter short circuit protection device |
| 07/04/2012 | CN202309037U Cycle-by-cycle current protection circuit implemented by discrete devices |
| 07/04/2012 | CN202309036U 马达保护装置 Motor protection devices |
| 07/04/2012 | CN202309035U 一种榨汁机保护电路 One kind of juicer protection circuit |
| 07/04/2012 | CN202309034U 用于织布机电机的报警装置 Electromechanical machines for weaving alarm device |
| 07/04/2012 | CN202309033U 用于汽车座椅中温度调节的离心式无刷电机的电源控制器 Car seat for temperature regulation centrifugal power brushless motor controller |
| 07/04/2012 | CN202309032U 一种变压器智能保护装置 A transformer intelligent protection device |
| 07/04/2012 | CN202309031U 一种采用继电器控制的变压器非电量保护装置 A transformer protection relay control non-power uses |
| 07/04/2012 | CN202309030U 一种具有监控功能的后备保护装置 Backup protection device having a monitoring function |
| 07/04/2012 | CN202309020U 一种智能控制的输入过压保护电路及采用该电路的开关电源 Input overvoltage protection circuit and an intelligent control of the switching power supply circuit |
| 07/04/2012 | CN202308215U Electrombile lead-acid cell repairing device |
| 07/04/2012 | CN202307755U 保护元件及应用此保护元件的保护装置 Protection element and apply this protection device to protect components |
| 07/04/2012 | CN102549866A Communication network for a low voltage electric switchgear |
| 07/04/2012 | CN102548087A High-efficiency half-bridge LED illumination driving power source |
| 07/04/2012 | CN102545746A Novel speed regulator for automotive air conditioner fan and working method thereof |
| 07/04/2012 | CN102545731A Motor multi-head quickly switching device |
| 07/04/2012 | CN102545727A Automatic control device for motor |
| 07/04/2012 | CN102545674A Power unit for converter of wind driven generator |
| 07/04/2012 | CN102545661A Self-diagnosis direct-current power supply |
| 07/04/2012 | CN102545660A Phase sequence self-adaption trigger circuit of three-phase fully-controlled rectifier induction heating power supply |
| 07/04/2012 | CN102545655A Current-sharing controller for direct current parallel technology of variable frequency generator set |
| 07/04/2012 | CN102545653A Segmented dual-protection-type power supply for semiconductor device testing system |
| 07/04/2012 | CN102545553A Current driver, electronic device and current driving method |
| 07/04/2012 | CN102545368A Multi-energy intelligent control power-supply system |
| 07/04/2012 | CN102545360A Intelligent charger for storage battery of electric vehicle |
| 07/04/2012 | CN102545357A Fully automatic stop charger |
| 07/04/2012 | CN102545345A Battery over charge or over discharge protection system for electric automobile |
| 07/04/2012 | CN102545324A Verification of configuration parameters |
| 07/04/2012 | CN102545321A Event system and timekeeping for battery management and protection system |
| 07/04/2012 | CN102545320A Battery management and protection |
| 07/04/2012 | CN102545291A Solar power storage system and solar power supply system |
| 07/04/2012 | CN102545289A Driving circuit of switch unit of reverse-connection preventing protection circuit for solar battery |
| 07/04/2012 | CN102545287A MPPT(Maximum Power Point Tracking)-type solar charging controller based on PSoC (Programmable System On Chip) |
| 07/04/2012 | CN102545267A Low-voltage ride-through method for doubly-fed induction generator |
| 07/04/2012 | CN102545198A Reverse connection preventing protective circuit of solar charge controller with common-anode structure |
| 07/04/2012 | CN102545197A Low-current grounding protection method and device on basis of active excitation differential state principle |
| 07/04/2012 | CN102545194A Protection circuit and protection method of power frequency full-bridge circuit of grid-connected photovoltaic inverter |
| 07/04/2012 | CN102545189A Intelligent monitoring surge protector (relay) |
| 07/04/2012 | CN102545188A Intelligent detection surge protector |
| 07/04/2012 | CN102545186A Intelligent monitoring surge protector |
| 07/04/2012 | CN102545185A Surge protector with spare protection module |
| 07/04/2012 | CN102545184A Intelligent detection surge protector (fuse protector) |
| 07/04/2012 | CN102545179A Method for determining multiple sets of relay protection constant values based on power supply schemes of partial power grids |
| 07/04/2012 | CN102545178A RS485 line status monitor and monitoring method |
| 07/04/2012 | CN102545177A Bergeron-model-based simulation-after-test method for fault phase selection of alternating current transmission line |