| 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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| 12/27/2006 | EP0910883B1 Method for controlling the closing process of closing devices with at least one part moved by an electromotor |
| 12/27/2006 | CN2852482Y Lightning protection device of wireless amplifier relay |
| 12/27/2006 | CN2852481Y Microcomputer low-tension motor protection device |
| 12/27/2006 | CN1886040A Sprayer thermal protection |
| 12/27/2006 | CN1885698A Switching control circuit and self-excited dc-dc converter |
| 12/27/2006 | CN1885668A Electronic device and its DC power supply input apparatus |
| 12/27/2006 | CN1885663A Surface-protection type switching station fault judging method |
| 12/27/2006 | CN1885662A Integration protection system based on distance algorithm |
| 12/27/2006 | CN1885661A Low voltage latched control circuit with bi-level for improving power supply protection |
| 12/27/2006 | CN1885660A High power motor over-voltage protection device |
| 12/27/2006 | CN1885659A Electronic anti-slip protector |
| 12/27/2006 | CN1885658A Device for restraining AC transformer DC magnetic bias current |
| 12/27/2006 | CN1292524C Combined member of overload protection device for motor-driven compressor |
| 12/26/2006 | US7154722 Loop control for distribution systems |
| 12/26/2006 | US7154241 Wiper control method and wiper control device |
| 12/21/2006 | WO2005055388A3 Stand-alone electrical system for large motor loads |
| 12/21/2006 | US20060285372 Overcurrent protective device for switching element |
| 12/21/2006 | US20060285371 Apparatus and method for controlling power converter |
| 12/21/2006 | US20060285260 Switching circuit using closed control loop to precharge gate of switching transistor and stable open loop to switch the switching transistor |
| 12/21/2006 | US20060284843 Inverter controlled generator set |
| 12/21/2006 | US20060284605 ALternator rectifier with coil-sensor controlled mosfets |
| 12/21/2006 | US20060284584 Drive device for window wipers with a parking position switch |
| 12/21/2006 | DE102005028184A1 Drive and monitoring circuit for bridge circuit load e.g. for vehicle technology, has self-diagnosis circuit with store for electrical charge and self-diagnosis program |
| 12/21/2006 | DE102004024657B4 Anordnung zum Ableiten von Überspannungen mit parallel geschalteten, in einer baulichen Einheit befindlichen überspannungsbegrenzenden Elementen Arrangement for dissipating overvoltages with parallel, located in a structural unit overvoltage-limiting elements |
| 12/20/2006 | EP1734651A1 Protection system for an electrical power generator |
| 12/20/2006 | EP1602166B1 Transferring electric power to a power consumer |
| 12/20/2006 | CN2850140Y Motor driving controller using battery to supply power |
| 12/20/2006 | CN2850137Y Overload short circuit protector for AC generator set |
| 12/20/2006 | CN2850094Y Automatic balance protector for battery charging |
| 12/20/2006 | CN2850090Y Intelligent microcomputer protection measuring controller for transformer substration |
| 12/20/2006 | CN2850089Y Integrated protector for motor |
| 12/20/2006 | CN1881782A Independent safety processor for disabling the operation of high power devices |
| 12/20/2006 | CN1881725A Tidal stream reversion protecting method in high-voltage DC power transmission system |
| 12/20/2006 | CN1881724A Back-to-back differential protection method in high-voltage DC power transmission system |
| 12/20/2006 | CN1881723A Electronic apparatus and control method thereof |
| 12/20/2006 | CN1291543C Fault tolerant power supply conversion circuit |
| 12/19/2006 | US7151359 Variable reluctance generator |
| 12/19/2006 | US7151329 Integrated protection, monitoring, and control system |
| 12/14/2006 | WO2006132138A1 Dc/dc converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same |
| 12/14/2006 | WO2006131533A2 Arrangement provided with a recording device |
| 12/14/2006 | US20060279888 Controller for plural supplies driving single load |
| 12/14/2006 | DE102006023966A1 Torque control device for use in electrical tool, has processor that switches-off one switching circuit of device if actual torque value of motor of tool is determined to be greater than predetermined value |
| 12/14/2006 | DE102005026714B3 Protection device for switching on/off e.g. consumer load, has over voltage protection unit designed in modular form with unipolar protection modules that are mechanically and electrically connected with switch unit in detachable manner |
| 12/13/2006 | EP1219013B1 State advance controller commutation loop for brushless d.c. motors |
| 12/13/2006 | CN2847663Y Motor protector |
| 12/13/2006 | CN2847637Y Device for suppressing transformer neutral point DC current by capacitance method |
| 12/13/2006 | CN2847636Y Three phase AC motor phase-lost protector |
| 12/13/2006 | CN2847633Y High voltage protector for short wave radio station |
| 12/13/2006 | CN2847626Y Three section type over current protector |
| 12/13/2006 | CN1879274A Overheat protection device and electrical system having same |
| 12/13/2006 | CN1877948A Method for implementing electrode isolation of super-high voltage DC system under the condition of dipolar operation and monopolar fault by using phase shifting |
| 12/13/2006 | CN1877947A Automatic electrode |
| 12/13/2006 | CN1877946A Secondary battery protective chip |
| 12/13/2006 | CN1877945A Short trouble protective method for converter valve assembly |
| 12/13/2006 | CN1877944A Reverse current protective circuit for switching power supply |
| 12/13/2006 | CN1877942A Method for judgement of converter transformer grounding on valve side by simultaneously using zero sequence voltage and phase voltage |
| 12/13/2006 | CN1877936A Method for introducing second operating power supply into gas-insulated high voltage switch cabinet |
| 12/13/2006 | CN1290261C Overcurrent detection and protection apparatus for switching element |
| 12/13/2006 | CN1290242C Dual-loop current limitation controller of motor controller |
| 12/12/2006 | US7149098 Over-power protection apparatus with programmable over-current threshold |
| 12/12/2006 | US7149068 Circuit for controlling the minimum operating voltage of switching power supply |
| 12/12/2006 | US7149066 Fault detector for two line power distribution system and protection apparatus incorporating the same |
| 12/12/2006 | CA2321358C Method of reducing failure of an alternator due to voltage spikes and an alternator |
| 12/07/2006 | WO2006128397A1 Method for avoiding undesired, measurement error-induced protective tripping within a protection system of an hvdc transmission system |
| 12/07/2006 | US20060275970 H-bridge drive utilizing a pair of high and low side MOSFETs in a common insulation housing |
| 12/07/2006 | US20060274459 Modular contactor assembly having independently controllable contactors |
| 12/07/2006 | US20060274458 Superconducting FCL using a combined inducted magnetic field trigger and shunt coil |
| 12/07/2006 | DE202005011235U1 Vorrichtung zum Überlastschutz einer Versorgungsleitung für eine elektrische Last in einem Kraftfahrzeug A device for overload protection of a supply line for an electrical load in a motor vehicle |
| 12/07/2006 | DE102005036153A1 Schutzschalteinrichtung für ein Solarmodul A protective circuit device for a solar module |
| 12/07/2006 | DE102005024634A1 Protective circuit for e.g. insulated gate bipolar transistor, has monitoring circuit supplying voltage as control factor, such that monitoring circuit is designed to control operating condition of logic unit depending on amount of voltage |
| 12/07/2006 | DE10149113B4 Spannungsversorgungsvorrichtung, insbesondere für ein Kfz-Bordnetz, mit Schutzfunktion zum Schutz elektronischer Bauelemente vor Überspannungen Power supply device, in particular for a motor vehicle electrical system, with a protective function to protect electronic components from overvoltage |
| 12/06/2006 | EP1729391A1 Fuse detection device with arc control for self-protected transformers |
| 12/06/2006 | EP1728592A2 Angle grinder |
| 12/06/2006 | EP1728591A2 Angle grinder |
| 12/06/2006 | EP1647079B1 Protection system for medium-voltage potential transformers |
| 12/06/2006 | CN2845308Y Motor speed stabilizing and energy saving device with load matching automatically |
| 12/06/2006 | CN2845274Y Automotive voltage stabilized protector |
| 12/06/2006 | CN2845268Y Complete circuit phase-off protector |
| 12/06/2006 | CN2845267Y Automatic phase selecting protector for three phase motor |
| 12/06/2006 | CN1875530A Apparatus for high surge voltage protection |
| 12/06/2006 | CN1873874A Ground fault circuit interrupter of possessing function for safeguarding inversed connection |
| 12/06/2006 | CN1873873A Unit for safeguarding inversed connection in ground fault circuit interrupter |
| 12/06/2006 | CN1288817C Motor overload coil controller |
| 12/05/2006 | US7145757 System for eliminating arcing faults and power distribution system employing the same |
| 12/05/2006 | US7145315 Over-current detection circuit in a switch regulator |
| 12/05/2006 | CA2264056C Phase monitor |
| 11/30/2006 | WO2006127732A2 Cable management techniques for power converters |
| 11/30/2006 | WO2006126904A1 A protection circuit for potential transformers |
| 11/30/2006 | US20060268486 Automatic placement based ESD protection insertion |
| 11/30/2006 | US20060268471 Resistive superconducting fault current limiter |
| 11/30/2006 | DE202005011504U1 Arc detector for switch cabinets has at least one high frequency receiver by which signals are evaluated through an evaluation circuit |
| 11/30/2006 | DE10235788B4 Elektrisches Verbindungssystem für ein Kraftfahrzeug An electrical interconnect system for a motor vehicle |
| 11/30/2006 | DE102005042114B3 Process and device to detect a current-weakening arc in a mains-supplied unit obtain time-dependent signals from current measurement and compare with unit-specific criteria from arc-free and simulation data |
| 11/30/2006 | DE102005024347A1 Elektrisches Bauteil mit abgesichertem Stromzuführungsanschluss Electrical component with fused power supply terminal |
| 11/30/2006 | DE102005024346A1 Sicherungselement mit Auslöseunterstützung Fuse element with push support |
| 11/30/2006 | DE102005024321A1 Absicherungsschaltung Protection circuit |
| 11/29/2006 | EP1727270A1 Actuator with electrical motor and a control device to control the motor speed |
| 11/29/2006 | EP1727257A1 A protection circuit for potential transformers |
| 11/29/2006 | EP1726085A1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit |
| 11/29/2006 | EP1726076A1 Method for monitoring the adjustment movement of a component driven by a driving device |