| 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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| 08/31/2000 | WO2000051217A1 Selective electronic tripping element |
| 08/31/2000 | WO2000030243A3 A system and a method for protecting an electric motor and its control circuit and an electric motor |
| 08/31/2000 | DE19958308A1 Verfahren und Steuerung zum Steuern einer Antriebsvorrichtung für eine Abschlusseinrichtung eines Gebäudes oder einer Einfriedung Method and controller for controlling a driving device for a terminating device of a building or enclosure |
| 08/31/2000 | DE19908658A1 Schließvorrichtung mit Sicherheitsfunktion Closing device with safety function |
| 08/31/2000 | DE19906457A1 Electrical power transmission path has 2 similar m-phase cables fed to start and end of secondaries of 2 m-phase transformers with series primaries forming path input and output |
| 08/30/2000 | EP1031696A2 Window operation control system using a pressure-sensitive sensor and a load sensor |
| 08/30/2000 | EP0789947B1 Protection switch for a battery powered device |
| 08/30/2000 | CN2394372Y Passive demagnetizing automatic controller |
| 08/30/2000 | CN2394364Y Comprehensive electronic protector for motor |
| 08/30/2000 | CN2394363Y Comprehensive protector for ignition and running of motor |
| 08/29/2000 | US6111735 Method for automated reconfiguration of a distribution system using distributed control logic and communications |
| 08/29/2000 | US6111731 Motor controller for preventing excessive battery discharging |
| 08/29/2000 | US6111388 Charge and discharge control circuit |
| 08/29/2000 | US6111379 Circuit configuration for driving an electrical drive unit |
| 08/29/2000 | US6111374 Movable barrier operator having force and position learning capability |
| 08/29/2000 | CA2063977C Circuit bypass device |
| 08/24/2000 | DE19906705A1 Einklemmschutzsystem Anti-pinch |
| 08/23/2000 | EP1030427A2 Anti-trap system |
| 08/23/2000 | EP1028862A1 Method for controlling a sunroof |
| 08/23/2000 | EP1028814A1 Spray gun power supply unit monitor |
| 08/23/2000 | CN2393270Y Multifunction electronic regulator |
| 08/23/2000 | CN2393247Y Colour TV power-supply protector |
| 08/23/2000 | CN2393245Y Protector for motor |
| 08/23/2000 | CN2393244Y Protective service-box for three-phase motor |
| 08/23/2000 | CN2393243Y Protection device for single-phase speed-regulating motor |
| 08/23/2000 | CN2393242Y High-voltage contact protection device for loaded automatic voltage-regulating transformer |
| 08/23/2000 | CN1055807C Driving device for induction motor |
| 08/22/2000 | US6108179 Emergency shut-down apparatus for motor |
| 08/22/2000 | US6107926 Load short-circuit failure detection method and apparatus and electric power steering device |
| 08/22/2000 | US6107808 Internal unbalance detection in capacitors |
| 08/22/2000 | US6107775 Method and apparatus for limiting starting torque in a starter/generator |
| 08/22/2000 | US6107765 Movable barrier operator having force and position learning capability |
| 08/17/2000 | WO2000048284A1 A distributed monitoring and protection system for a distributed power network |
| 08/17/2000 | WO2000048283A1 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 08/17/2000 | WO2000048282A1 Multiple communications protocols in a protective relay |
| 08/17/2000 | WO2000048281A2 Distributed logic in multiple protective relays |
| 08/17/2000 | WO2000028792A3 Electronic transformer for lighting |
| 08/17/2000 | CA2326396A1 Multiple communications protocols in a protective relay |
| 08/16/2000 | EP1028511A2 Power supply system having semiconductor active fuse |
| 08/16/2000 | EP1027759A1 Load indicator |
| 08/16/2000 | EP1027757A1 Redundant communications in a protective relay |
| 08/16/2000 | CN2392293Y Breaker for secondary loss of phase protection |
| 08/16/2000 | CN2392292Y Phase interruption and electricity leakage protective means for three phase motor |
| 08/16/2000 | CN2392291Y Protective switch for single phase motor |
| 08/15/2000 | US6104585 Protection circuit for tap-grounded leakage transformer |
| 08/15/2000 | US6104156 Device for controlling the stopping of a motorized shrouding product |
| 08/15/2000 | US6104149 Circuit and method for improving short-circuit capability of IGBTs |
| 08/15/2000 | CA2178862C Power converter protective apparatus using mechanical and semiconductor bypass means |
| 08/09/2000 | EP1024985A1 Circuit configuration to monitor a regulated output voltage in a motor vehicle |
| 08/09/2000 | EP0916176A4 Coaxial surge protector having thermal fail-safe shunt |
| 08/09/2000 | CN2391365Y Voltage-stabilized source start current-limiting protector |
| 08/09/2000 | CN2391364Y 改进型家用冰箱压缩机过热保护器 Improved household refrigerator compressor overheating protection |
| 08/08/2000 | US6101075 System for improving protective relay coordination with other protective elements in power system |
| 08/08/2000 | US6101073 Ground fault protecting apparatus and method for solar power generation and solar power generation apparatus using the apparatus and method |
| 08/08/2000 | US6100702 In-situ fault detection apparatus and method for an encased energy storing device |
| 08/08/2000 | US6100658 Window opening and closing apparatus |
| 08/08/2000 | US6099986 In-situ short circuit protection system and method for high-energy electrochemical cells |
| 08/02/2000 | EP1023649A1 Method and circuit for monitoring the operating condition of electric motors |
| 08/02/2000 | CN2390352Y HF switch type DC power supply complete apparatus for transformer substation |
| 08/02/2000 | CN2390337Y Multifunctional earth leakage protector |
| 08/02/2000 | CN2390336Y Phase interruption protector for motor |
| 08/02/2000 | CN2390335Y Phase interruption protecting device for AC motor |
| 08/02/2000 | CN2390334Y Panel of multifunctional protector for AC motor, and structure for mounting it |
| 08/01/2000 | US6097584 Reserve d.c. power device |
| 08/01/2000 | US6097583 Rapid short circuit protection for a multiple output power supply |
| 08/01/2000 | US6097166 Movable barrier having force and position learning capability |
| 07/27/2000 | WO2000043227A1 Method and device for operating an adjusting drive in a motor vehicle |
| 07/27/2000 | DE19901708A1 Revolution rate regulated motor without motor current limiting, especially burner motor for vehicle heater, is monitored for free-running/resistance, and switched off if resistance excessive |
| 07/27/2000 | DE19901272A1 Verfahren zum Betreiben eines elektrischen Umrichters A method of operating an electric drive |
| 07/26/2000 | EP1021850A1 In situ short-circuit protection system and method for high-energy electrochemical cells |
| 07/26/2000 | CN2389437Y Water pump protection time-piece |
| 07/26/2000 | CN2389436Y External located protection type transformer |
| 07/25/2000 | US6094365 Power supply device of switching mode with leakage current protection circuit |
| 07/25/2000 | US6094026 Overtemperature warning cycle in operation of polyphase DC motors |
| 07/25/2000 | US6094023 Method and device for braking an all-mains motor |
| 07/25/2000 | US6094021 Motor drive apparatus |
| 07/25/2000 | US6094013 Circuit arrangement for limiting the current at make for a transformer |
| 07/20/2000 | WO2000042687A1 Method and control mechanism for controlling a drive device for a closing device of a building or an enclosed area |
| 07/20/2000 | DE19901855A1 Operating method for adjustment drive for motor vehicle involves comparing actuating force with limit force and reversing adjustment drive if limit is exceeded |
| 07/19/2000 | EP1020986A1 Method for operating an electric converter |
| 07/19/2000 | EP1020010A1 Synchronous machine |
| 07/19/2000 | CN2388761Y Intelligent protector of accumulator for railway motor car |
| 07/19/2000 | CN2388760Y Under-voltage open-phase protector |
| 07/19/2000 | CN2388759Y Motor protection |
| 07/19/2000 | CN2388758Y AC/DC integral field-discharge over-voltage protection for generator rotor |
| 07/19/2000 | CN2388757Y Open-phase temp.-rising break protective switch for motor |
| 07/19/2000 | CN1260263A Dould-model non-isolation type wire system of moveable wire-less electric tools |
| 07/19/2000 | CN1054714C Process and circuit for controlling fans |
| 07/18/2000 | US6091226 Voltage judgment circuit and battery cell pack having the same |
| 07/18/2000 | US6090501 Safety device for an electrochemical storage cell |
| 07/12/2000 | EP1018792A1 Protection for battery pack with diode for memorizing |
| 07/12/2000 | EP1018127A1 Power distribution network incorporating a voltage support transformer and process of use |
| 07/12/2000 | CN2387650Y Non-directng earthing system overvoltage limiter for three-phase power network |
| 07/12/2000 | CN2387648Y Phase loss protector for three-phase power source |
| 07/12/2000 | CN1259787A Triple protective method of contrarariant circuit insulated gate bipolar type transister |
| 07/11/2000 | US6087877 Integrated circuit having surge protection circuit |
| 07/11/2000 | US6087807 Charge/discharge control circuit and chargeable electric power source apparatus |
| 07/11/2000 | US6087793 Circuit for controlling a motor with a device for recognizing an overload |
| 07/11/2000 | US6086177 Process for controlling closing movement of closing mechanisms with immediate squeeze protection after activation of a mechanism |
| 07/06/2000 | WO2000039905A1 Intelligent power distribution network |