| 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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| 02/24/2004 | US6696806 Method and apparatus for facilitating control of a movable barrier operator |
| 02/24/2004 | US6696804 Electronically commutatable motor comprising an electronic control unit |
| 02/24/2004 | CA2230860C Solid state control device for an anti-pump circuit |
| 02/19/2004 | US20040032698 Charge storage device |
| 02/19/2004 | US20040032231 Sensorless stall detection for motors |
| 02/18/2004 | EP1389817A1 Method and circuit for detecting a torque variation of an electric DC motor |
| 02/18/2004 | EP1389355A1 A device for drive equipment for adjustable furniture |
| 02/18/2004 | EP1389256A2 Method and apparatus for facilitating control of a movable barrier operator |
| 02/18/2004 | EP1064162B1 Method and device for operating an adjusting drive in a motor vehicle |
| 02/18/2004 | CN2604018Y Connector plugging status testing circuit |
| 02/18/2004 | CN1475809A Current transfermer system |
| 02/17/2004 | US6694271 Integrated circuit breaker protection software |
| 02/12/2004 | WO2003102338A3 Motor speed-based anti-pinch control apparatus and method with rough road condition detection and compensation |
| 02/12/2004 | US20040027748 Electrical protection system |
| 02/12/2004 | US20040027737 Balanced quench protection circuit |
| 02/12/2004 | US20040027736 Electrical device comprising two supports and a connection terminal connected to a series capacitor and to a voltage limiter |
| 02/12/2004 | DE10236377A1 Verfahren zur Fehlererkennung bei einer Antriebseinrichtung Method for detecting faults in a drive mechanism |
| 02/11/2004 | EP1388920A2 Directional ground relay system |
| 02/11/2004 | CN2603565Y Electricity charger with safety protective circuit for electric driven bicycle |
| 02/11/2004 | CN2603563Y Bus fixing value free protection synchronous sampler |
| 02/11/2004 | CN2603562Y Leakage circuit breaker with phase-loss protection function |
| 02/11/2004 | CN1474491A Full group test method of network reconstruction system of distribution net automatic fault isolation |
| 02/11/2004 | CN1474490A Monostable comparator device |
| 02/11/2004 | CN1474024A Detection clip device for opening/closing part |
| 02/11/2004 | CN1138329C Method for protecting power transmission line and fault locating and travelling wave sensor for it |
| 02/11/2004 | CN1138151C Method and device for detecting zero-line deficiency of three-phase circuit |
| 02/10/2004 | US6690283 Protective device and communication device |
| 02/10/2004 | US6690138 Electric power steering system |
| 02/10/2004 | US6690129 Electronically commutable motor |
| 02/10/2004 | US6688894 Umbilical cable assembly |
| 02/10/2004 | CA2262347C Motor controller for preventing excessive battery discharging |
| 02/05/2004 | WO2004012327A1 Electric machine |
| 02/05/2004 | WO2003102339A3 Motor speed-based anti-pinch control apparatus and method with endzone ramp detection and compensation |
| 02/05/2004 | US20040024937 Power inverter with optical isolation |
| 02/05/2004 | US20040024475 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
| 02/05/2004 | US20040021994 Overload protector with control element |
| 02/05/2004 | US20040021440 Charge/discharge protection circuit for a rechargeable battery |
| 02/05/2004 | DE19800234B4 Bürstenloser Motor Brushless motor |
| 02/05/2004 | DE10327263A1 Verfahren zum Schützen eines Anlassers/Lichtmaschine vor einem Überdrehungszustand A method of protecting one starter / alternator from over-rotation state |
| 02/05/2004 | DE10232540A1 Supplying direct current to electric load e.g. electric motor, involves temperature compensation of load circuit or load voltage drop to align with voltage across very low temperature coefficient reference resistance |
| 02/05/2004 | DE10231923A1 Spannungsdifferentialschutz für ein supraleitendes Bauelement Voltage differential protection for a superconducting device |
| 02/04/2004 | EP1387459A1 Fault detection method for a drive assembly |
| 02/04/2004 | EP0935833B1 Auto up window with obstacle detection system |
| 02/04/2004 | CN2602533Y Electricity limiter |
| 02/04/2004 | CN2602532Y Controller for AC motor |
| 02/04/2004 | CN2602531Y Secondary open circuit protector for current transformer |
| 02/04/2004 | CN1472877A Inverter circuit device with temperature testing circuit |
| 02/04/2004 | CN1472858A Circuit breakdown and oscillation identifying method based on resistance change rule |
| 02/04/2004 | CN1472857A Power transmission line longitudinal linkage protective method |
| 02/04/2004 | CN1472856A Generator stator monophase grounding protection by fault component phase angle diffrentiation |
| 02/03/2004 | US6687573 Recloser and fuse coordination scheme |
| 02/03/2004 | US6687104 Algorithm for detecting faults on electrical control lines |
| 02/03/2004 | US6687103 Charge/discharge protection circuit |
| 02/03/2004 | US6687101 Fault condition protection |
| 02/03/2004 | US6686857 Information dependent data transmission for pilot protective relays |
| 02/03/2004 | US6686722 Battery pack containing a circuit breaker |
| 02/03/2004 | US6686715 Motor control device |
| 02/03/2004 | US6686669 Method and device for operating an adjusting drive in a motor vehicle |
| 01/29/2004 | WO2004010557A2 Intermediate circuit capacitor short-circuit monitoring |
| 01/29/2004 | US20040019410 Protection system for power distribution systems |
| 01/29/2004 | US20040017642 Diode fault detection system and method |
| 01/29/2004 | DE10232423A1 Verfahren zum Betreiben einer Windenergieanlage und Windenergieanlage zum Ausführen derartiger Verfahren A method for operating a wind turbine and wind turbine to perform such procedures |
| 01/29/2004 | DE10232145A1 Zwischenkreiskondensator-Kurzschlussüberwachung DC link capacitor short-circuit monitoring |
| 01/29/2004 | DE10231198A1 Verfahren und Schaltungsanordnung zum Begrenzen einer Überspannung Method and circuit for limiting surge |
| 01/29/2004 | DE10230992A1 Elektrisches Antriebssystem Electric propulsion system |
| 01/28/2004 | EP1385360A1 Inverter system and fault current detection method therefor |
| 01/28/2004 | EP1385255A1 Electric drive system |
| 01/28/2004 | EP1385249A1 Device and method for overcurrent protection in an electric power distribution cabinet |
| 01/28/2004 | EP1384301A1 Protection of electrical power lines |
| 01/28/2004 | EP1384300A1 Monitoring apparatus |
| 01/28/2004 | CN2601476Y Protective circuit of power converter |
| 01/27/2004 | US6684134 Electrical fault protection system |
| 01/27/2004 | US6683799 Inverter protecting apparatus |
| 01/27/2004 | US6683431 Movable barrier operator |
| 01/22/2004 | WO2004008627A1 Method for operating a wind power plant and method for operating it |
| 01/22/2004 | WO2004008601A1 Method and circuit for limiting an overvoltage |
| 01/22/2004 | WO2004008600A2 Electrical network protection system |
| 01/22/2004 | WO2003073224A3 Electrical protection system for reliability improvement based on sensitivity analysis |
| 01/22/2004 | US20040012987 Anomaly detection circuit of inverter and electronic apparatus comprising inverter incorporating the same |
| 01/22/2004 | US20040012901 Electrical arc furnace protection system |
| 01/22/2004 | US20040012381 Inverter system |
| 01/22/2004 | DE10245144B3 Überspannungs-Schutzanordnung mit einer Funkenstrecke als Grobschutzelement Surge protection order with a spark gap as coarse protection element |
| 01/22/2004 | DE10230253A1 Anordnung und Verfahren zum Schutz vor Überlast eines Elektromotors Apparatus and method for protection against overload of an electric motor |
| 01/22/2004 | DE10222768B3 Quenchdetektor Quench |
| 01/22/2004 | CA2492429A1 Electrical network protection system |
| 01/22/2004 | CA2491833A1 Method for operating a wind power plant |
| 01/21/2004 | EP1383220A2 Overload protection for a rotating-field driven load |
| 01/21/2004 | EP1382104A1 Method and device for measuring the temperature of windings of a drive motor |
| 01/21/2004 | CN1469823A Vehicle electrical system with battery and security disconnection |
| 01/15/2004 | WO2004006406A2 Circuit and method for protecting against overload of an electric motor |
| 01/15/2004 | WO2004006405A1 Voltage balance protection for a superconducting component |
| 01/15/2004 | US20040008461 Electrical network protection system |
| 01/15/2004 | US20040008459 Protected exciter for an electrical power generator and associated methods |
| 01/15/2004 | US20040008457 Inverter circuit device with temperature detection circuit |
| 01/15/2004 | US20040008008 Control apparatus for electrical generator of vehicle |
| 01/15/2004 | US20040008001 Entrapment detecting device for an opening/closing member |
| 01/15/2004 | DE20316189U1 DC motor electronic protection module especially for linear drives, includes voltage monitoring stage, amplifier and flip-flop stages for overload protection of DC motor |
| 01/14/2004 | EP1381131A1 Improved protection device with 1S circuits for electrochemical battery assemblies |
| 01/14/2004 | EP1381130A1 Protected exciter for an electrical power generator and associated methods |
| 01/14/2004 | EP1379925A1 Electro-mechanical actuator including brushless dc motor for providing pinch protection |