| 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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| 08/03/2011 | CN201918714U 一种igbt模块过温保护电路 One kind igbt module over-temperature protection circuit |
| 08/03/2011 | CN201918713U 一种太阳能充电控制器的防反接保护电路 A solar charge controller's anti-reverse protection circuit |
| 08/03/2011 | CN201918712U 电机保护器 Motor protection |
| 08/03/2011 | CN201918711U 带相序保护装置的地铁隧道风机控制电路 Subway tunnel fan with phase sequence control circuit protection device |
| 08/03/2011 | CN201918710U 锂电池充电钻限流延时保护电路 Lithium rechargeable drill limiting protection circuit delay |
| 08/03/2011 | CN201918709U 起重机无触点保护柜 Cranes non-contact protection cabinet |
| 08/03/2011 | CN201918708U 同步发电机交流电压辅助灭磁装置 Synchronous generator AC voltage auxiliary eliminate magnetic devices |
| 08/03/2011 | CN201918707U 发电机保护装置 Generator protection device |
| 08/03/2011 | CN201918706U 发电机保护装置 Generator protection device |
| 08/03/2011 | CN201918705U 变压器过流过热保护器 Transformer overheating protection overcurrent |
| 08/03/2011 | CN201918704U Device capable of preventing secondary voltage feedback of voltage transformer |
| 08/03/2011 | CN201915995U 生命信息钻孔探测系统 Life Information drilling detection system |
| 08/03/2011 | CN1835667B Lighting-proof branch means |
| 08/03/2011 | CN102144343A Power supply unit and method for controlling a power supply unit |
| 08/03/2011 | CN102142780A Multi-circuit integration and encapsulation three-phase voltage regulation module |
| 08/03/2011 | CN102142711A Control system of wind driven generator |
| 08/03/2011 | CN102142710A Adaptive storage battery charging device capable of selecting capacity |
| 08/03/2011 | CN102142675A Intelligent digital relay protection device |
| 08/03/2011 | CN102142674A Method for selectively clearing single-phase ground fault of ship shore power system |
| 08/03/2011 | CN102142673A Forced shutoff type bridge solid current limiter |
| 08/03/2011 | CN102142672A Current differential protection method for built-in winding mutual inductor of three-phase transformer |
| 08/03/2011 | CN101469697B Compressor driving apparatus and refrigeration circulating apparatus |
| 08/03/2011 | CN101404406B Lithium battery protection circuit |
| 08/03/2011 | CN101299377B Control apparatus for automatic cyclic permutation switch-throwing of transformer cooling system |
| 08/02/2011 | US7990668 Device protection using temperature compensation |
| 08/02/2011 | US7990662 Systems, methods, and apparatus for superconducting magnetic shielding |
| 08/02/2011 | US7990661 Active shield superconducting electromagnet apparatus and magnetic resonance imaging system |
| 08/02/2011 | US7990125 Method and apparatus to limit output power in a switching power supply |
| 08/02/2011 | CA2371493C Method for operating an electric motor, and an electric motor for carrying out such a method |
| 08/02/2011 | CA2327206C Thermal protection relay |
| 08/02/2011 | CA2282625C Improved fault protection scheme |
| 07/28/2011 | WO2011091256A2 Superconducting fault current-limiter with variable shunt impedance |
| 07/28/2011 | WO2011089186A1 Electronic overcurrent release for circuit breakers |
| 07/28/2011 | US20110182092 An inverter with short circuit protection |
| 07/28/2011 | US20110181992 Short-circuit isolator |
| 07/28/2011 | US20110181989 Transformer inrush current suppression apparatus |
| 07/28/2011 | DE10245098B4 Lastbetriebsvorrichtung mit Überstromschutz Load device with overcurrent protection |
| 07/28/2011 | DE102010001248A1 Three phase two-poled alternating current-synchronous generator e.g. turbogenerator, for supplying power into three phase alternating current grid, has evaluation device determining twist angle of rotor relative to rotational magnetic field |
| 07/28/2011 | CA2787707A1 Electronic overcurrent release for circuit breakers |
| 07/27/2011 | EP2348515A1 Superconducting coil quench detector and detection method |
| 07/27/2011 | EP2347501A1 Three-phase ac power controller |
| 07/27/2011 | EP1771929B1 Method and device for identifying pinching situations in displacing drives in motor vehicles |
| 07/27/2011 | CN201910965U Emergency fluorescent lamp with multiple protection functions |
| 07/27/2011 | CN201910762U Control device for direct-current brushed motor |
| 07/27/2011 | CN201910760U Control circuit for high/low-speed motor |
| 07/27/2011 | CN201910636U Super highway electromobile charging station device |
| 07/27/2011 | CN201910629U Uninterrupted power supply |
| 07/27/2011 | CN201910615U Microcomputer protection device for fault positioning |
| 07/27/2011 | CN201905046U Plastic belt disc mower with battery terminal protecting device |
| 07/27/2011 | CN1987490B Method and device for detecting arcs |
| 07/27/2011 | CN102138265A Assembled battery, and control system for the assembled battery |
| 07/27/2011 | CN102138264A Device having a converter |
| 07/27/2011 | CN102136728A Flexible combiner and control method thereof |
| 07/27/2011 | CN102136721A Multi-object optimized power supply recovery reasoning and searching method |
| 07/27/2011 | CN102136720A Method for detecting short circuit and open circuit faults of IGBT device and controller in online manner |
| 07/27/2011 | CN102136719A Method and device for restricting overvoltage stall of inverter |
| 07/27/2011 | CN102136718A Voltage differential protection device of current feedback type |
| 07/27/2011 | CN101483333B Short circuit protection apparatus for electricity generator |
| 07/27/2011 | CN101223832B Circuit arrangement and method for operating at least one electric lamp |
| 07/27/2011 | CN101212135B Battery protection circuit and battery using the same |
| 07/26/2011 | US7986537 Overcurrent-protected switching-mode power supply |
| 07/26/2011 | US7986220 Automatic door system |
| 07/26/2011 | US7986136 Switching mode power supply apparatus and power supply method thereof |
| 07/26/2011 | US7986055 Adjustment of control strategy based on temperature |
| 07/26/2011 | CA2596286C Battery pack |
| 07/21/2011 | WO2011087105A1 Protected power conversion device and control method |
| 07/21/2011 | WO2011085882A1 Disconnection from mains using switches for power tools |
| 07/21/2011 | WO2011041356A3 System and method for polyphase ground-fault circuit-interrupters |
| 07/21/2011 | US20110176342 Converter Device and Method for Converting Electrical Power |
| 07/21/2011 | DE102010000991A1 Phase cutoff detection method for e.g. permanently excited synchronous machine of drive device, involves examining longitudinal current to find whether actual phase currents correspond to target current according to current level |
| 07/21/2011 | DE102010000939A1 Leuchtmittel-Betriebsgerät mit temperaturabhängiger Schutzschaltung Lamp operating device with temperature-dependent protection circuit |
| 07/21/2011 | DE102008008201B4 Hochspannungsgenerator für Luftionisationsgeräte High voltage generator for Luftionisationsgeräte |
| 07/21/2011 | CA2787294A1 Smart battery charging system for electrical generator |
| 07/20/2011 | EP2346140A2 Control and protection device for an electric facility |
| 07/20/2011 | EP2346132A1 Fast three-phase reclosing method in shunt reactor compensated transmission lines |
| 07/20/2011 | EP2345555A1 Connection device |
| 07/20/2011 | EP2345132A2 Life safety device with extended shelf life |
| 07/20/2011 | CN201904718U DC-DC converter |
| 07/20/2011 | CN201904633U MPPT type solar charge controller based on PSoC |
| 07/20/2011 | CN201904621U Intelligent magneto-electric reversible matching type electricity saving device |
| 07/20/2011 | CN201904613U USP control signal interlocking protection circuit |
| 07/20/2011 | CN201904612U Driving circuit of switch unit of reverse-connection preventing protection circuit of solar charge controller |
| 07/20/2011 | CN201904611U Battery pack protecting circuit board used for bearing heavy current |
| 07/20/2011 | CN201904610U Overcurrent locking circuit for lithium battery protection circuit |
| 07/20/2011 | CN201904609U Battery leakage protection device for uninterrupted power supply (UPS) module |
| 07/20/2011 | CN201904608U Direct-current protecting system for photovoltaic inverter |
| 07/20/2011 | CN201904607U Overvoltage protection circuit applied to double-flyback topological structure power supply module |
| 07/20/2011 | CN201904606U Shuttle car electronic control system provided with open-phase protection device |
| 07/20/2011 | CN201904605U Self-adaptive control and protecting system of asynchronous motor |
| 07/20/2011 | CN201904604U Overvoltage protection device for wind turbine generator set |
| 07/20/2011 | CN201903835U Charging adaptive device |
| 07/20/2011 | CN201903575U Direct current detection circuit and inverter air-conditioner applying same |
| 07/20/2011 | CN1808640B Monitoring device for lightning arrester |
| 07/20/2011 | CN102132469A Substation automation wiht redundant protection |
| 07/20/2011 | CN102130651A Operation control circuit of alternating current motor |
| 07/20/2011 | CN102130607A High-frequency electronic transformer |
| 07/20/2011 | CN102130487A Portable charger for electric vehicle and design method thereof |
| 07/20/2011 | CN102130486A 充电装置及其方法 A charging device and method |
| 07/20/2011 | CN102130476A Electronic equipment quick-acting charging device based on dynamic switching and using method thereof |
| 07/20/2011 | CN102130446A Minimum breakpoint set calculating method adapted to network topology change |