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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03/07/2007 | EP1413041A4 Electronic control systems and methods |
03/07/2007 | EP1356568B1 Electrical system for a ship |
03/07/2007 | CN2877138Y DC brushless electric machine controller |
03/07/2007 | CN2877116Y Electric machine float type mechanical protection mounting seat |
03/07/2007 | CN2877107Y Lithium battery charging managing circuit |
03/07/2007 | CN2877103Y Automatic cutting device |
03/07/2007 | CN1926741A Protective apparatus for electric appliances branch |
03/07/2007 | CN1926740A Overload release |
03/07/2007 | CN1303749C Power switching means |
03/06/2007 | US7187531 Transient suppressor and power converter employing the same |
03/06/2007 | US7187528 Selective potting for controlled failure and electronic devices employing the same |
03/06/2007 | US7187158 Process device with switching power supply |
03/06/2007 | US7187157 Power supply remote voltage sensing |
03/01/2007 | WO2007025257A2 A relay-to-relay direct communication system and method in a electric power system |
03/01/2007 | WO2005104366A3 Capacitor start-up apparatus and method with fail-safe short circuit protection |
03/01/2007 | US20070047274 Power supplying apparatus and power supplying method |
03/01/2007 | US20070047160 Reprogrammable switch using phase change material |
03/01/2007 | US20070046266 Excitation controlled synchronous permanent magnet machine |
03/01/2007 | US20070046265 Vehicle-use generator |
03/01/2007 | DE19643709B4 Vorrichtung zum Behandeln eines Werkstückes in einer Gasentladung An apparatus for treating a workpiece in a gas discharge |
03/01/2007 | DE10307999B4 Antriebssteuereinrichtung für einen selbstgeführten Stromrichter Drive control device for a self-commutated converter |
03/01/2007 | DE102006039303A1 Fault detecting device for load driver system has load condition anomaly detection mechanism to determine anomaly in load driver system according to terminal voltage on at least one load terminal |
03/01/2007 | DE102005040543A1 Stromrichterschaltung mit verteilten Energiespeichern Converter circuit with distributed energy stores |
03/01/2007 | DE102004046394B4 Steckbare Überspannungsschutz-Anordnung Plug-in surge protection device |
02/28/2007 | EP1758226A1 Battery pack protecting circuit and battery pack |
02/28/2007 | EP1758224A1 Device for associating a command signal to a direction of rotation of an electric motor for a movable barrier |
02/28/2007 | EP1758223A2 Motor control apparatus |
02/28/2007 | EP1758222A2 Electrical protection of a generator controller |
02/28/2007 | EP1756926A1 Method for error handling in a converter circuit for wiring of three voltage levels |
02/28/2007 | EP1755431A1 Central vacuum cleaning system control subsystems |
02/28/2007 | EP1645020B1 Device and method for protecting an electric machine |
02/28/2007 | CN2874891Y High efficiency intelligent timing charger |
02/28/2007 | CN2874883Y Heat protector |
02/28/2007 | CN2874755Y Three phase motor heat protector |
02/28/2007 | CN2874754Y Composite overflow and overheat protector |
02/28/2007 | CN2874215Y Zinc air cell mining lamp with life saving generator |
02/28/2007 | CN1922453A Refrigerating unit |
02/28/2007 | CN1921258A Adjustable large power lithium ion vehicle emergency starting power |
02/28/2007 | CN1921255A Small-sized triphase motor protection switch |
02/28/2007 | CN1302595C Controller for electricity recharge/discharge |
02/27/2007 | US7184287 Rectifier clamping circuit with reverse energy recovery |
02/27/2007 | US7184249 Electric motor circuit with overload protection |
02/27/2007 | US7183835 Semiconductor device which realizes a short-circuit protection function without shunt resistor, and semiconductor device module |
02/27/2007 | US7183750 Vehicle power-generation control unit and vehicle power-generation control system |
02/27/2007 | US7183749 Vehicle generator control system |
02/27/2007 | US7183668 Generator with current and voltage abnormality detection |
02/22/2007 | WO2007020419A1 Motor drive circuit |
02/22/2007 | WO2007020167A1 Cooking appliance |
02/22/2007 | WO2005089257A3 Engine driven power inverter system with cogeneration |
02/22/2007 | WO2005059936A3 Electrical, transmission/substation/distribution shunt capacitor switching and control system with integrated, automatically resettable, overcurrent protection |
02/22/2007 | US20070041228 Control system and method with constant maximum current for power converter protection |
02/22/2007 | DE102006027293A1 Control system for window regulator for motor vehicle, uses two different types of sensors to detect adjustment positions of two window regulators |
02/22/2007 | DE102005029867B3 Schutzschaltung in einer Einrichtung zur Einkopplung von Fernspeisespannungen Protection circuit in a device for coupling remote supply voltages |
02/21/2007 | EP1754302A2 Apparatus and method for minimizing power loss associated with dead time |
02/21/2007 | EP1754296A1 Electronic element adapted to an electric circuit arrangement |
02/21/2007 | CN2871306Y Contact flash with short-circuit protection |
02/21/2007 | CN1918707A Circuit arrangement and method for protecting an integrated semiconductor circuit |
02/21/2007 | CN1917360A Motor controller and control method thereof, and error detecting apparatus of inverter |
02/21/2007 | CN1917323A Method for raising measuring precision of microcomputer protective relay device |
02/21/2007 | CN1917322A System and method for protecting and controlling power converter with constant maximum current |
02/21/2007 | CN1917321A Thermal protection circuit, power transmission integration circuit and power transmission method |
02/21/2007 | CN1916805A Energy saving equipment for machine for returning bittern in salt field |
02/21/2007 | CN1301580C Protector for three phase windings devided ignition motor |
02/20/2007 | US7180759 Push-pull inverter with snubber energy recovery |
02/20/2007 | US7180758 Class E amplifier with inductive clamp |
02/20/2007 | US7180757 Sequential soft-start circuit for multiple circuit channels |
02/20/2007 | US7180729 Arrangement for controlling and monitoring a switchgear assembly |
02/20/2007 | US7180723 Multilayer capacitor |
02/20/2007 | US7180717 Electrical network protection system |
02/20/2007 | US7180396 Superconducting current limiting device with magnetic field assisted quenching |
02/20/2007 | US7180277 Capacitor start-up apparatus and method with fail safe short circuit protection |
02/20/2007 | US7180272 Malfunction detecting apparatus for on-vehicle charging system |
02/15/2007 | WO2006093600A3 Trench capacitor power supply system and method |
02/15/2007 | US20070038396 Parameter estimation for and use of a thermal model of a power line |
02/15/2007 | US20070035976 Method and arrangement for monitoring a power output stage |
02/15/2007 | US20070035902 Protective relay capable of protection applications without protection settings |
02/15/2007 | US20070035897 Motor protection inhibit circuit |
02/15/2007 | US20070035895 Adaptive current limiter for wireless modem |
02/15/2007 | US20070035366 Method and circuit arrangement for rapidly switching off low-voltage circuit breakers |
02/15/2007 | US20070035264 Control and monitoring arrangements for an aperture closure member |
02/15/2007 | DE102006032338A1 Motorsteuerung Motor control |
02/15/2007 | DE102005038225A1 Verfahren und Vorrichtung für eine Überlastdetektion bei Handwerkzeugen Method and apparatus for detecting an overload for hand tools |
02/14/2007 | EP1753108A2 Method and apparatus for sensing brushless DC motor average current from overcurrent protection circuitry |
02/14/2007 | EP1752660A1 Wind turbine over-voltage protection |
02/14/2007 | EP1751562A1 A method of monitoring line faults in a medium voltage network |
02/14/2007 | CN2870263Y Thunder-resistant over-voltage domestic electric appliance protector |
02/14/2007 | CN2870262Y High-pressure high-power safety grid of constant power output |
02/14/2007 | CN2870261Y Machine tool intelligent relay with control and protection function |
02/14/2007 | CN2870260Y Coal electric-drill comprehensive protection full-control apparatus |
02/14/2007 | CN2870259Y Microcomputer oil-pump monitoring protector |
02/14/2007 | CN2870258Y Motor protector |
02/14/2007 | CN2869878Y Microcomputer small-current earthing line-selection apparatus |
02/14/2007 | CN1914778A Thermal overload protection |
02/14/2007 | CN1913339A PLC silicon-controlled static exciting system of synchronous generater |
02/14/2007 | CN1913338A Microcomputer silicon-controlled static exciting system |
02/14/2007 | CN1913337A PLC silicon-controlled static exciting control system |
02/14/2007 | CN1913275A Energy position tandem protection method and device for extra-high voltage transmission line |
02/14/2007 | CN1913274A Protection system for an electrical power generator |
02/14/2007 | CN1913265A Controller of integral fire pumps stabilized pump |
02/14/2007 | CN1300907C Quick differential protective discrimination for critical blocking surge parameter and adaptation of parameter |