| 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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| 07/26/2006 | CN2800612Y 嵌式压缩机保护器 Embedded compressor protection |
| 07/26/2006 | CN1808835A Lithium ion emergency vehicle startup power supply |
| 07/26/2006 | CN1808824A Protection circuit |
| 07/26/2006 | CN1808822A Adaptive earthing distance relay |
| 07/26/2006 | CN1808821A Trip discrimination method for pure electric power system |
| 07/26/2006 | CN1808820A Failure component based symmetrical component distance relay |
| 07/26/2006 | CN1808819A Over low voltage protection device for coil drive device |
| 07/26/2006 | CN1808818A Magnetic-loss protection method for salient-pole generator |
| 07/26/2006 | CN1808817A AC/DC decoupling and deexcitation method for generators |
| 07/26/2006 | CN1808816A Protection circuit for safety electromagnetic actuating unit and for safety energy supply system |
| 07/26/2006 | CN1808640A Monitoring device for lightning arrester |
| 07/26/2006 | CN1266722C Open-circuit method for breaker of power generator and its control equipment |
| 07/26/2006 | CN1266428C Digital direct-current variable frequency air conditioner controller |
| 07/26/2006 | CA2495668A1 Plc output diagnostics device |
| 07/25/2006 | US7082018 Power supply apparatus in electric vehicle |
| 07/20/2006 | US20060158911 Class E amplifier with inductive clamp |
| 07/20/2006 | US20060158797 High-power resistor |
| 07/20/2006 | US20060158796 Overload status indicator for a refrigeration unit |
| 07/20/2006 | US20060158795 Superconducting magnet system with quench protection circuit |
| 07/20/2006 | DE102005025112A1 Trigger circuit for electronically commutated electric motor has power transistor which is controlled over control unit depending on time, current, voltage and rotational speed of control member |
| 07/20/2006 | DE102004030535B4 Control system for a mains frequency clocked supply unit of an intermediate voltage converter circuit |
| 07/20/2006 | DE10007607B4 Ausfallsichere Überspannungsschutzschaltung Failsafe overvoltage protection circuit |
| 07/19/2006 | EP1681753A1 Overheat protection device and electrical system having same |
| 07/19/2006 | EP1680862A2 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 07/19/2006 | CN2798386Y Electricity insulating protector |
| 07/19/2006 | CN1805235A Regioselectivity interlocking apparatus |
| 07/19/2006 | CN1805234A Pattern matching based security protection method for relay protection information of electric system in network environment |
| 07/19/2006 | CN1265544C Method and device for controlling operation of an actuator unit |
| 07/19/2006 | CN1265524C Improved electric motor starting system |
| 07/19/2006 | CN1265205C System and method for detecting open-phase of compressor system |
| 07/18/2006 | US7079406 Power converting apparatus, control method therefor, and solar power generation apparatus |
| 07/18/2006 | US7079368 Electrical resource device and load driving device |
| 07/18/2006 | US7079012 System and method for distributing broadband communication signals over power lines |
| 07/18/2006 | US7079003 Secondary battery with protective circuit |
| 07/18/2006 | US7078882 Active clamping circuit and power supply system using the same |
| 07/18/2006 | US7078881 Vehicle AC generator apparatus having improved generator control apparatus |
| 07/13/2006 | WO2006072630A1 Superconducting switch systems |
| 07/13/2006 | US20060152952 Power semiconductor module with auxiliary connection |
| 07/13/2006 | US20060152873 Over-voltage protection circuit |
| 07/13/2006 | US20060152865 Circuit for protecting a transistor from an open secondary ignition coil |
| 07/13/2006 | US20060152183 Variable resolution single lever speed control for a hydrostatic transmission |
| 07/13/2006 | DE4418050B4 Hochtemperatursupraleiter und dessen Verwendung High temperature superconductors and its use |
| 07/13/2006 | DE202006006508U1 Elektrowerkzeug-Sicherheitssystem Power Tool Safety System |
| 07/13/2006 | DE102004063252A1 Elektronisches Gerät mit Temperaturverteilungsermittlungsmöglichkeit Electronic device with temperature distribution determination possibility |
| 07/13/2006 | DE102004062180A1 Electromechanical energy converter has oscillating working piston and coil with connected protection circuit having coil short circuit |
| 07/13/2006 | DE102004062033A1 Protector circuit for an electrical machine especially a motor vehicle starter has relay with winding controlled by electronic switches in series with a fuse |
| 07/13/2006 | DE102004039601B3 Schaltungsanordnung zum Schutz eines Leiterelements gegen Überstrom Circuitry to protect a lead element against overcurrent |
| 07/13/2006 | DE10156609B4 Sicherungseinheit und Sicherungsanordnung Fuse unit and fuse assembly |
| 07/12/2006 | EP1679777A1 Device for indicating an obstruction of a DC commutated motor based on the ripple of the field current |
| 07/12/2006 | EP1678803A1 Window lift, control device for a window lift and method for controlling a window lift |
| 07/12/2006 | CN2796211Y Electric grid secondary harmonic eliminator with silicon control breakdown protection function |
| 07/12/2006 | CN2796208Y Over-power protector |
| 07/12/2006 | CN1801566A High capacity sealed lead-acid accumulator passive protector |
| 07/12/2006 | CN1801565A Electronic device |
| 07/12/2006 | CN1801564A Switch power supply with overvoltage protection and its overvoltage protection method |
| 07/12/2006 | CN1801563A Method, controller and motor apparatus capable of detecting motor running state |
| 07/12/2006 | CN1264273C Abnormal detector for motor driving system |
| 07/11/2006 | US7075805 Voltage converter with current limiting portion |
| 07/11/2006 | US7075802 Semiconductor device for controlling switching power supply |
| 07/11/2006 | US7075764 Method and arrangement for reducing stress in electrical network |
| 07/11/2006 | US7075762 Inverter circuit device with temperature detection circuit |
| 07/11/2006 | US7075446 Method and apparatus for monitoring motor rotation speed |
| 07/11/2006 | US7075272 Control device for vehicle AC generator |
| 07/11/2006 | US7075271 Power controlling apparatus with power converting circuit |
| 07/06/2006 | WO2006071150A1 Electric power flow control |
| 07/06/2006 | WO2006069568A1 Method for detecting earth-fault conditions in motor a controller |
| 07/06/2006 | WO2006052744A3 Position-sensorless control of interior permanent magnet machines |
| 07/06/2006 | US20060147764 Protection circuit module and battery pack incorporating the same |
| 07/06/2006 | US20060146582 Islanding detection method |
| 07/06/2006 | US20060146465 Protective switch |
| 07/06/2006 | US20060146454 Direct turbogenerator |
| 07/06/2006 | US20060145669 Control system of generator for a vehicle |
| 07/06/2006 | US20060145668 Generator and power supply for use therein |
| 07/06/2006 | US20060145645 Power control apparatus for motor |
| 07/06/2006 | DE4438593B4 Anordnung zum Löschen von Störlichtbögen zwischen Leitern in Schaltanlagen oder Schienenverteilern Arrangement for extinguishing electric arcs between conductors in switchgear or busways |
| 07/06/2006 | DE202006007136U1 Steuereinheit für einen Elektromotor, insbesondere für einen Lüftermotor Control unit for an electric motor, particularly for a fan motor |
| 07/06/2006 | DE19959402B4 Treiberschaltung Driver circuit |
| 07/06/2006 | DE19629481B4 Schaltungsanordnung für eine Hochspannungskabelanlage Circuit arrangement for a high voltage cable system |
| 07/06/2006 | DE102005004141A1 Drive system has voltage collection mechanism with current evaluation circuit connected parallel to switching device of switching off electric circuit |
| 07/06/2006 | DE102004060211A1 Integrierte Schaltung mit einem Unterspannungsdetektor An integrated circuit comprising a low voltage detector |
| 07/05/2006 | CN2794005Y Under-voltage protecting circuit for battery |
| 07/05/2006 | CN2794004Y 磁力起动器 Magnetic starter |
| 07/05/2006 | CN2794003Y Comprehensive protector of three-phase motor |
| 07/05/2006 | CN2794002Y Explosive-proof switching digital protector for mine |
| 07/05/2006 | CN2793992Y Electromagnetic starter of fan working in driving face of coal mine |
| 07/05/2006 | CN2793520Y State on-line monitoring miner's light |
| 07/05/2006 | CN1797889A DC monitoring for breaker and protection system thereof |
| 07/05/2006 | CN1797888A Method for discriminating directions of fault components in positive / negative sequence, and direction of homopolar power |
| 07/05/2006 | CN1797887A Method for starting up and protecting sampling values in three phases at same time |
| 07/05/2006 | CN1797886A Circuit for preventing chip from misoperation |
| 07/05/2006 | CN1797885A Circuit for preventing chip from misoperation |
| 07/05/2006 | CN1796823A Actuator control system |
| 07/05/2006 | CN1263056C Device and method for controlling open/close of electrical switching device |
| 07/04/2006 | US7072159 Current limiter with low drop voltage for surge protection and fuse protection |
| 07/04/2006 | US7071658 Protection of a generator without measuring temperature |
| 07/04/2006 | US7071657 Method and apparatus for the production of power frequency alternating current directly from the output of a single-pole type generator |
| 07/04/2006 | US7071656 Torque computation unit for vehicle generator |
| 07/04/2006 | US7071649 Active temperature estimation for electric machines |
| 06/29/2006 | WO2006068615A1 A method and a device for determining the load state of power system components |
| 06/29/2006 | US20060139973 Semiconductor device |