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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10/12/2006 | DE202005008954U1 Drive system for a facility with conveying/operating processes has moving processing elements driven by drive mechanisms fed by mains voltage for printing strips of paper |
10/12/2006 | DE102005034161B3 Electronic device e.g. turning rate sensor for use in motor vehicles has uncoupling elements for decoupling grids based on noise influence |
10/12/2006 | DE102005016721A1 Three-phase mains power system monitoring relay, has output change-over contact in connection with contactor reversal combination for automatic correction of phase sequence during incorrect phase sequence |
10/12/2006 | DE102005015714A1 Protective device for three-phase motor, has measuring stage for determining phase voltage of each phase of three-phase motor in case of deviation to interrupt current supply to motor relay and separate motor from network |
10/12/2006 | DE102005015620A1 Electrical energy storage unit e.g. accumulator unit, for e.g. mobile cordless equipment, has voltage generator circuit providing supply voltage based on internal supply voltage in contacts of load, where supply voltage is required by load |
10/11/2006 | CN2826829Y Remote control energy-saving safety control cabinet of pumping unit |
10/11/2006 | CN2826827Y Low-power consumption six wire internal earth voltage regulator with overcurrent and overvoltage protection function |
10/11/2006 | CN2826826Y Low-power consumption six wire external earth voltage regulator with overcurrent and overvoltage protection function |
10/11/2006 | CN2826825Y Low-power consumption three wire external earth voltage regulator with overcurrent and overvoltage protection function |
10/11/2006 | CN2826824Y Low-power consumption three wire internal earth voltage regulator with overcurrent and overvoltage protection function |
10/11/2006 | CN2826822Y Fan control circuit device with protection action |
10/11/2006 | CN2826789Y Charge/discharge protection circuit of lithium ion battery pack for electric vehicle |
10/11/2006 | CN2826785Y Overcurrent short-circuit protection circuit of multi-channel output power supply |
10/11/2006 | CN2826782Y Protective electronic combined mutual inductor |
10/11/2006 | CN1845412A Overpower protection device |
10/11/2006 | CN1279365C Satellite connection earthing method and apparatus for monitoring stators |
10/11/2006 | CN1279265C Method for recognising an obstructive situation in a motor driven element |
10/10/2006 | US7120001 Surge voltage protector for use in power transmission networks |
10/10/2006 | US7119523 Semiconductor chip |
10/10/2006 | US7119519 Control apparatus for on-vehicle generator that sends power from the battery to the field winding and from the field winding back to the battery |
10/10/2006 | US7119516 Cordless power tool with tool identification circuitry |
10/10/2006 | US7119504 Protective circuit for reducing electrical disturbances during operation of a DC motor |
10/10/2006 | CA2258201C Direct current electrical power reserve device |
10/05/2006 | WO2006104430A1 Converter valve |
10/05/2006 | US20060221526 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
10/05/2006 | US20060221517 Self-triggering superconducting fault current limiter |
10/05/2006 | US20060221516 Energy storage apparatus and related method |
10/05/2006 | DE112004002396T5 Erweiterter unverzögerter Schutz Extended instantaneous protection |
10/05/2006 | DE102006012044A1 Generator switch for rotary generators has switching unit for controlling switching state of circuit breaker according to phases of load and alternating voltage supply source |
10/05/2006 | DE102005014167A1 Driver protection device for preventing overload of switching mechanism e.g. MOSFET mechanism, has control unit for transferring switching mechanism into predetermined switching status, and suppression unit that cancels transfer process |
10/05/2006 | DE102005011520A1 Vorrichtung und Verfahren zur Bereitstellung einer Gleichspannung Apparatus and method for providing a DC voltage |
10/04/2006 | EP1708330A2 Protective relay system |
10/04/2006 | EP1708329A2 Protective relay system |
10/04/2006 | EP1706937A1 Dc/dc converter and decentralized power generation system comprising a dc/dc converter |
10/04/2006 | EP1706928A1 Method and device fo rfault detection in transformers or power lines |
10/04/2006 | EP1706927A1 Electric power network |
10/04/2006 | EP1445839B1 System of preventing electric arcs in connectors that supply power charges |
10/04/2006 | CN2824403Y Temp controlled automatic charger with three colour LED |
10/04/2006 | CN2824400Y Intelligent controller for starting water pump motor |
10/04/2006 | CN2824399Y Electrocontrol box |
10/04/2006 | CN2824111Y Monitor structure for main air cooling changing system |
10/04/2006 | CN1278467C Full group test method of network reconstruction system of distribution net automatic fault isolation |
10/03/2006 | US7117105 Method and apparatus for ground fault protection |
10/03/2006 | US7116565 Over-power protection apparatus for self-excited power converter |
10/03/2006 | US7116535 Methods and apparatus for protecting an MR imaging system |
10/03/2006 | US7116081 Thermal protection scheme for high output vehicle alternator |
10/03/2006 | US7116072 Motorized barrier operator system for setting a down force adjustment to a minimum value and method for programming the same |
10/03/2006 | US7116009 Power distribution apparatus for distributing power to various electrical loads |
10/03/2006 | US7115922 H-bridge drive utilizing a pair of high and low side MOSFET's in a common insulation housing |
09/28/2006 | US20060215427 Circuit for reducing inrush current generated during startup of a switching power supply |
09/28/2006 | US20060215344 Electrostatic protection device for semiconductor device |
09/28/2006 | US20060215334 Rechargeable battery |
09/28/2006 | US20060215333 Conduction terminal and adapter for conduction terminal |
09/28/2006 | US20060214645 Frequency converter for high-speed generators |
09/28/2006 | US20060214644 Power generation controller |
09/28/2006 | US20060214508 Vehicle battery protection device |
09/28/2006 | DE202005010858U1 Vorrichtung zum Überwachen und Steuern mehrerer in Serie geschalteter Kapazitäten Apparatus for monitoring and controlling a plurality of series-connected capacity |
09/28/2006 | DE112004002301T5 Elektrische Schutzeinrichtung für ein Fahrzeug und System, das diese einsetzt Electrical protective device for a vehicle and system employing this |
09/28/2006 | DE102006013425A1 Industrial production plant, has power bus connected with load feeding supply lines that have reduced cross section, and protection unit integrated in control unit for safeguarding supply lines against high over current |
09/27/2006 | EP1704636A1 Variable ac voltage regulation control method and apparatus |
09/27/2006 | EP1704627A2 Device for controlling a final power-output stage |
09/27/2006 | CN2822029Y No-load cut-off power saver for clothes vehicle |
09/27/2006 | CN2822026Y Closed centrifugal cold water unit high voltage start cabinet |
09/27/2006 | CN2821989Y Microwave isolation power source |
09/27/2006 | CN2821988Y Lithium ion cell impedance continuous high voltage impact device |
09/27/2006 | CN2821987Y Leakage protective circuit of air conditioner |
09/27/2006 | CN2821986Y Built-in over current protector for AC silicon rectifier generator |
09/27/2006 | CN2821985Y Intelligent controller for transformer |
09/27/2006 | CN2821984Y Full network digital protector |
09/27/2006 | CN2821879Y Battery unit and cordless power tool with said battery unit |
09/27/2006 | CN2821586Y Dry transformer complex monitor |
09/27/2006 | CN1839536A Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
09/27/2006 | CN1837613A 压缩机诊断系统 Compressor diagnostic system |
09/27/2006 | CN1277340C Circuit breakdown and oscillation identifying method based on resistance change rule |
09/26/2006 | US7113379 DC-DC converter |
09/26/2006 | US7113376 Motor control apparatus |
09/26/2006 | US7113050 Integrated circuit with oscillator and electrostatic discharge protection |
09/26/2006 | US7112900 Method and system for sensing switch position to prevent inadvertent startup of a motor |
09/21/2006 | US20060209480 Device and method for protecting an electric machine |
09/21/2006 | US20060209475 Power distribution panel with modular inserts |
09/21/2006 | US20060208709 Method and device for providing the supply voltage for the loads of a vehicle on-board electrical system, using a plurality of generators |
09/21/2006 | US20060208679 Temperature sensor-actuated infrared type load control system |
09/21/2006 | DE202006010911U1 Mains adaptor as ecological part of measuring temperature converter, with mains rectifier, input filter, switching controller and potential separator, switching controller so arranged that high energy signal of up to 1 kv are passed |
09/21/2006 | DE202005007220U1 Schutzschaltersystem Circuit breaker system |
09/21/2006 | DE19819704B4 Verfahren zur zyklischen Überprüfung von Überwachungseinrichtungen in Türschließanlagen Method for cyclic testing of monitoring devices in door locking systems |
09/21/2006 | DE102006010528A1 Batterie-Verpolschutz durch Nmos Reverse battery protection by Nmos |
09/21/2006 | DE102005010899A1 Steuersystem mit Funktionsüberwachung für einen elektromechanischen Antrieb in einem Fahrzeug Control system having a function for monitoring an electromechanical drive in a vehicle |
09/20/2006 | EP1703612A2 Protective relay system |
09/20/2006 | EP1410114B1 Drive unit comprising a device for the controlled and/or modulated gradual slow-down and shut-down of a funicular |
09/20/2006 | CN2819629Y Energy-saving controlling cabinet of motor |
09/20/2006 | CN2819581Y Self-restored protecting circuit of paper cutter |
09/20/2006 | CN2819580Y Protector of charaeable battery |
09/20/2006 | CN2819579Y Power-supply switch cut-off outputting short-circuit protector |
09/20/2006 | CN1835667A Lighting-proof branch means |
09/20/2006 | CN1835371A Apparatus for power conversion in electric rolling stock |
09/20/2006 | CN1835320A Modularity dynamo integrated control protector |
09/20/2006 | CN1835319A Transformer bias protector of large power power electronic appliance |
09/20/2006 | CN1835318A Quench protection arrangement for a superconducting magnet |
09/20/2006 | CN1835315A Device, arrangement and system for ESD protection |
09/20/2006 | CN1834666A Power conditioner |