| 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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| 10/05/2011 | CN102208800A Adaptive insulated gate bipolar transistor (IGBT) series-connection voltage-sharing circuit with overcurrent protection function |
| 10/05/2011 | CN102208799A Overheat protection circuit for intelligent power module and control method thereof |
| 10/05/2011 | CN102208593A Secondary battery pack |
| 10/05/2011 | CN102204451A Cropper |
| 10/05/2011 | CN101809416B Method and device for identifying a reversing operation in an electric actuating unit of a vehicle |
| 10/05/2011 | CN101667801B Excitation system of generator |
| 10/05/2011 | CN101651328B Method and device for shunt reactor turn-to-turn protection |
| 10/05/2011 | CN101572402B Protection device for rechargeable type battery |
| 10/05/2011 | CN101394076B Digital protective relay system |
| 10/05/2011 | CN101359856B Electric dust collector |
| 10/05/2011 | CN101133546B Malfunction determining device for drive circuit and drive unit including the same, and method for determining malfunction in drive circuit |
| 10/05/2011 | CN101123356B Charging and discharging control circuit and charging type power supply device |
| 10/04/2011 | US8031447 Transformer through-fault current monitor |
| 10/04/2011 | US8031446 Method of detecting output phase loss for motor driver |
| 10/04/2011 | US8030905 Isolated generator control unit (GCU) |
| 10/04/2011 | US8030869 Drive amplifier system and over-current detection method for the same |
| 10/04/2011 | US8030860 Working vehicle |
| 10/04/2011 | US8030803 Dispenser data distribution system with controllable disconnectors |
| 09/30/2011 | CA2734928A1 Battery safety interlock for intrinsically safe electronic devices |
| 09/29/2011 | WO2011031930A3 Method and apparatus for charging a battery |
| 09/29/2011 | US20110235375 Apparatus having a converter |
| 09/29/2011 | US20110235374 Stored Energy Dissipating Circuits and Methods for Switched Mode Power Supplies |
| 09/29/2011 | US20110235221 Bridging unit |
| 09/29/2011 | US20110235218 Control circuit and motor device |
| 09/29/2011 | US20110234178 Method and device for regulation of a rotary electrical machine for a motor vehicle |
| 09/29/2011 | US20110234137 System clock monitoring apparatus and motor control system |
| 09/29/2011 | US20110234133 Brushless motor drive apparatus and drive method |
| 09/29/2011 | US20110234020 Uninterruptible power supply system for avoiding arcing generation and cabinet thereof |
| 09/29/2011 | DE112009002254T5 Normally-OFF-Schutzelement und Steuereinheit mit dem Normally-OFF-Schutzelement Normally-off protection element and control unit with the normally-off protection element |
| 09/29/2011 | DE10351232B4 Verfahren zur Blockerkennung bei einem von einem Elektromotor angetriebenen System A method for block detection in a system driven by an electric motor |
| 09/29/2011 | DE102010012884A1 Verfahren und Anordnung elektrischer Leiter zum Laden einer Fahrzeugbatterie Method and arrangement of electrical conductors for charging a car battery |
| 09/29/2011 | DE102010009484A1 Inverter for solar panels in photovoltaic system, has control system which activates switches to disconnect inverter input from direct voltage input of inverter element if voltage connected to direct voltage input exceeds upper threshold |
| 09/28/2011 | EP2369725A1 Short circuiting unit |
| 09/28/2011 | EP2369124A2 Tubular drive control for a shading device |
| 09/28/2011 | CN201994901U Electric driving controller of electric vehicle |
| 09/28/2011 | CN201994891U 一种电机正反转及停转控制器 A motor reversing and stalling controller |
| 09/28/2011 | CN201994868U 改进型500w臭氧高压电源 Improved ozone high voltage power supply 500w |
| 09/28/2011 | CN201994860U 电力负荷管理终端电源电路 Power load management terminal power supply circuit |
| 09/28/2011 | CN201994854U 太阳能电源四桥振荡电子变压器 Solar power four bridge oscillation electronic transformer |
| 09/28/2011 | CN201994816U 一种用于水泵的电机 Motors for water pumps |
| 09/28/2011 | CN201994718U 一种智能供电、充电电路 An intelligent power supply, charging circuit |
| 09/28/2011 | CN201994659U 一种太阳能光伏充电控制器防反接保护电路 A solar photovoltaic charge controller anti-reverse protection circuit |
| 09/28/2011 | CN201994647U 小电流接地选线保护控制器 Small current grounding line protection controller |
| 09/28/2011 | CN201994646U Control and protection system for series compensation device or fault current limiter |
| 09/28/2011 | CN201994645U String and system adopting direct-current (DC) electricity generating modules (EGMs) and a plurality of string protectors |
| 09/28/2011 | CN201994644U 一种断路器的过电流保护装置 Overcurrent protective device of a circuit breaker |
| 09/28/2011 | CN201994643U Microcomputer protection recloser and circuit breaker matching mechanism |
| 09/28/2011 | CN201994642U Microcomputer protection recloser and circuit breaker matching mechanism |
| 09/28/2011 | CN201994641U 永磁机构控制器与开关柜微机保护用适配器 Permanent magnetic actuator controller and computer protection switchgear adapter |
| 09/28/2011 | CN201994640U 一种通用变频器的自动报警停机及定时停机装置 Automatic alarm stop a universal converter and timing shutdown device |
| 09/28/2011 | CN201994639U 电动机断相过热综合保护器 Off-phase motor overheating integrated protection |
| 09/28/2011 | CN201994638U Longitudinal differential protection circuit of high-capacity high-voltage motor |
| 09/28/2011 | CN201994637U 双星型网络检测的电机综合保护器 Dual star network detection Motor Protector |
| 09/28/2011 | CN201994636U 带线圈过热报警及保护装置的智能电动机 With coil intelligent motor overheating alarm and protection devices |
| 09/28/2011 | CN201994635U 自耦变压器保护装置 Autotransformer protection device |
| 09/28/2011 | CN201994634U 一种用于变压器的保护装置 A protective device for the transformer |
| 09/28/2011 | CN201994633U 一种继电保护装置的防误碰装置 Anti one kind of mistake-collision device protection devices |
| 09/28/2011 | CN201994632U 抗干扰综合智能控制器 Jamming integrated intelligent controller |
| 09/28/2011 | CN201994610U 新型双机自动控制配电箱 New Dual automatic control distribution box |
| 09/28/2011 | CN201994588U 一种智能开关 An intelligent switch |
| 09/28/2011 | CN102204098A Half-bridge circuit protected against short circuits and having semiconductor switches |
| 09/28/2011 | CN102204051A Method and device for activating monitoring by a jamming protection function in an electrical closing system |
| 09/28/2011 | CN102201781A Method and apparatus to monitor an electric motor control circuit |
| 09/28/2011 | CN102201728A Bridging Unit |
| 09/28/2011 | CN102201680A Charger of energy-saving electric vehicle |
| 09/28/2011 | CN102201662A Automatic protective distribution system without power starting |
| 09/28/2011 | CN102201661A Short circuit self-protection circuit and method for insulated gate bipolar device |
| 09/28/2011 | CN102201660A Power line |
| 09/28/2011 | CN102201659A Protection control method for electric motor |
| 09/28/2011 | CN102201658A Intelligent alternating-current contactor system for protecting motor |
| 09/28/2011 | CN102201657A Power distributor |
| 09/28/2011 | CN102201600A Travelling emergency charger |
| 09/28/2011 | CN102200561A Function test platform and method for bus relaying protection device based on real time digital system (RTDS) |
| 09/28/2011 | CN102200560A Function test platform and method for transformer relaying protection device based on real time digital system (RTDS) |
| 09/28/2011 | CN101635451B Method for preventing asynchronous reclosing caused by connecting power supply with transformer station and power distribution station |
| 09/28/2011 | CN101599701B Switch power supply with fault protection function and control method thereof |
| 09/28/2011 | CN101369723B Protection system for reconfigurable static reactive-power compensation/DC de-icing composite apparatus |
| 09/27/2011 | US8027181 Load drive device and vehicle equipped with the same |
| 09/27/2011 | US8027178 Power conversion apparatus with adjustable LEB time and over current protection method thereof |
| 09/27/2011 | US8027139 System and method for superconducting magnet ramp-down |
| 09/27/2011 | US8027130 Fan system and power reverse protection apparatus thereof |
| 09/27/2011 | CA2638648C Generator for gas turbine engine having dc bus fault short circuit control using a battery |
| 09/27/2011 | CA2593889C Motor protection system |
| 09/22/2011 | WO2011113199A1 Method of phase-to-phase distance protection for preventing mal-operation during overload |
| 09/22/2011 | US20110228566 Series resonant converter with overload delay and short-circuit protection mechanisms |
| 09/22/2011 | US20110228429 Power feeding circuit |
| 09/22/2011 | US20110227521 Method of starting a fan |
| 09/22/2011 | DE102010012058A1 Method for controlling closing process of electromotively driven pane of motor vehicle, involves measuring start point of deceleration portion from path corresponding with covering of length of acceleration portion |
| 09/22/2011 | DE102010011892A1 Window adjusting system for motor car, has control device connected downstream to drive or electromotor, where drive or electromotor is shutdown when supply voltage of control device is smaller than or equal to threshold voltage value |
| 09/22/2011 | DE102010011788A1 Verfahren zum Betreiben eines Antriebssystem und Antriebssystem A method of operating a drive system and drive system |
| 09/22/2011 | DE102010002993A1 Circuit for brushless electromotor of electro-mechanical steering device of motor car, has safety switches to disconnect windings from power supply in event of error and interrupt electrical interconnection |
| 09/22/2011 | DE102010002946A1 Verfahren und Vorrichtung zur Detektion einer Blockierung oder Schwergängigkeit eines Gleichstrommotors Method and apparatus for detecting a blockage or binding of a DC motor |
| 09/21/2011 | EP2367017A2 Method for detecting capacity leakage of capacitor in power conditioner, power conditioner performing the same, and photovoltaic power system provided with the same |
| 09/21/2011 | EP2366215A1 Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination |
| 09/21/2011 | CN201985812U 离合器电机多功能电控器 Multifunctional electric clutch motor controller |
| 09/21/2011 | CN201985788U Solar power generation controller |
| 09/21/2011 | CN201985770U 一种电子伺服变压器以及伺服/变频系统 An electronic servo and servo transformer / inverter system |
| 09/21/2011 | CN201985765U 用于电子镇流器的高压电源模块 High voltage power supply modules for electronic ballast |
| 09/21/2011 | CN201985698U 一种格栅除污机的电机双重保护装置 One kind of dual screen machine motor protection devices |
| 09/21/2011 | CN201985529U 高压无功自动补偿控制器 High-voltage reactive power automatic compensation controller |