| 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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| 07/06/2000 | WO2000039598A1 Internal unbalance detection in capacitors |
| 07/05/2000 | EP1017173A2 Power supply control device and method of controlling the same |
| 07/05/2000 | EP1017149A2 Dual-mode non-isolated corded system for portable cordless power tools |
| 07/05/2000 | EP1017145A2 Obstruction detecting method for use in power window apparatus, and power window apparatus |
| 07/05/2000 | EP1016481A1 Control device for boring machine |
| 07/05/2000 | EP1016179A1 Synchronous machine |
| 07/05/2000 | EP0671028B1 A compressor control circuit |
| 07/05/2000 | CN2386567Y Protecting device for dry vacuum on-load tap changer |
| 07/05/2000 | CN2386566Y Protector for electric motor |
| 07/05/2000 | CN2386565Y Start protecting device for electric motor |
| 07/05/2000 | CN2386564Y Large DC. electric motor testing and protecting device for steel rolling main mill |
| 07/05/2000 | CN1259256A Residential protection service center |
| 07/04/2000 | US6084787 Device for supervising in a high voltage converter station |
| 07/04/2000 | US6084755 Protective relay-based monitoring system of DC power within an electric power substation |
| 06/29/2000 | WO2000038205A1 Window control apparatus |
| 06/28/2000 | EP1014530A2 Electrical power distribution installation for electrical power system |
| 06/28/2000 | EP1014528A1 Electrical installation comprising transformer, off load tap changer and load breaker |
| 06/28/2000 | EP1012960A1 Three-phase motor |
| 06/28/2000 | EP1012959A1 A microprocessor-controlled drive unit with limitation of current consumption for electrically operated devices |
| 06/28/2000 | EP1012958A1 Motor reversing circuit |
| 06/28/2000 | EP1012955A2 Precharging circuit for a capacitor connected to the output of a line-commutated power converter |
| 06/28/2000 | EP1012945A1 Series compensation of electric alternating current machines |
| 06/28/2000 | EP1012941A1 Short-circuit current limiter for a converter circuit with a capacitive accumulator |
| 06/28/2000 | CN2385472Y Energy saving protector for motor |
| 06/28/2000 | CN2385459Y Long service power supply protector |
| 06/28/2000 | CN2385458Y Protective switch for electric machine |
| 06/28/2000 | CN1258123A Electric power system protection and control system and method, and storage medium for program module |
| 06/27/2000 | US6081768 Digital peak detector |
| 06/27/2000 | US6081088 Automatic opening/closing apparatus |
| 06/22/2000 | WO2000036725A1 Safety device associated with a sliding panel powered by an electric motor and method using same |
| 06/21/2000 | EP1011185A2 Improved fault protection scheme |
| 06/21/2000 | EP1011184A1 Safety device for an electric motor-driven sliding panel and method for carrying out this arrangement |
| 06/21/2000 | EP1010234A1 High power inverter pole employing series connected devices configured for reduced stray loop inductance |
| 06/21/2000 | DE19960289A1 Fault detection system for brushless electric motor, e.g. for power-steering system; has fault detector constructed to measure fault by detecting excitation in electromagnet coil of either rotor or stator |
| 06/21/2000 | CN2384355Y Damping winding starting heat protector according to time limit characteristic for synchronous motor |
| 06/21/2000 | CN1257335A Fault protector |
| 06/21/2000 | CN1257294A Electric equipment with transformer, unloading connector converter and load switching off device |
| 06/21/2000 | CN1053761C Circuit breaker and remote closing controller thereof |
| 06/20/2000 | US6078511 Temperature protection circuit for power converter and method of operation thereof |
| 06/20/2000 | US6078160 Bidirectional DC motor control circuit including overcurrent protection PTC device and relay |
| 06/20/2000 | CA2147949C Controlling start-up of electrically-powered equipment such as a compressor |
| 06/15/2000 | WO2000034964A1 A charge storage device |
| 06/15/2000 | DE19959397A1 Residential load station with flashover fault protection has main flashover device for interrupting current through main breaker when flashover fault condition arises in protected circuit |
| 06/15/2000 | CA2348668A1 A charge storage device |
| 06/14/2000 | EP1008221A1 Overcurrent protection circuit with improved ptc trip endurance |
| 06/14/2000 | EP1008220A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
| 06/14/2000 | EP1008219A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
| 06/14/2000 | EP1008194A2 Bypass apparatus and method for series connected energy storage devices |
| 06/14/2000 | EP0681310B1 Load driving circuit |
| 06/14/2000 | CN2383261Y Power-off protector for three phase asynchronous motor |
| 06/14/2000 | CN2383260Y 离心式电动机保护器 Centrifugal motor protection |
| 06/14/2000 | CN2383258Y Short phase automatic protective AC contactor |
| 06/14/2000 | CN1256786A Power distributing transformer-switch combination |
| 06/14/2000 | CN1256542A Overvoltage suppressor blocking static reactive power generator under pulse mode |
| 06/14/2000 | CN1256540A Improved fault protection circuit |
| 06/14/2000 | CN1256539A Microcomputer bus protection using the integration of multiple element current variables as main parameter of criterion |
| 06/13/2000 | US6075685 Speed protection system for a machine and a method thereof |
| 06/13/2000 | US6075378 Electrical energy storage capacitor power supply capable of shorting out defective capacitors |
| 06/13/2000 | US6075344 Secondary-battery protection control |
| 06/13/2000 | US6075329 Speed control device for a ceiling fan |
| 06/08/2000 | WO2000032443A2 Electrical system with battery and security disconnection |
| 06/08/2000 | DE19953606A1 Motor drive arrangement e.g. for power steering system for motor vehicle, contains four FETs and resistances, each of whose electrical resistance is higher than that of each FET if the FET has an ON state fault |
| 06/08/2000 | DE19855006A1 Verfahren zum Erzeugen eines einen Kurzschluß kennzeichnenden Fehlersignals A method of generating a short circuit fault characterizing signal |
| 06/07/2000 | EP0795183B1 Method and device for preventing explosions and fires in electrical transformers |
| 06/06/2000 | US6072675 Control device for boring machine |
| 06/06/2000 | US6072674 Motor controller having automatic swapped lead wiring detection capability |
| 06/02/2000 | WO2000031850A1 System and method for resetting modular circuit breakers |
| 06/02/2000 | WO2000031849A1 Method for generating an error signal identifying a short circuit |
| 06/02/2000 | WO2000031554A1 Method for determining an earth-faulted branch |
| 06/02/2000 | WO1999063561A3 Device for safely disconnecting an electrical load with especially high inductivity from an electrical dc-voltage supply |
| 05/31/2000 | CN2381055Y Phaseloose protector for motor |
| 05/31/2000 | CN2381054Y Automatic alarming device for motor protection and fault |
| 05/31/2000 | CN1254975A Special circuit for electric motor protector |
| 05/30/2000 | US6070116 Arrangement for the electronic monitoring of an adjustment drive |
| 05/30/2000 | US6069811 DC power supply apparatus |
| 05/25/2000 | WO2000030243A2 A system and a method for protecting an electric motor and its control circuit and an electric motor |
| 05/25/2000 | WO2000030234A1 Load protection system in a power modulator |
| 05/25/2000 | DE19950144A1 Motor drive controller for choke flap drive motor for internal combustion engine controls motor current to first level during motor starting period and to second, lower level thereafter |
| 05/25/2000 | DE19946414A1 Betätigungseinrichtung für bewegbare Schranken Actuating device for movable barriers |
| 05/25/2000 | DE19901840A1 Electrical actuator for motor vehicle electric window, sliding roof or seat adjuster measures instantaneous rotation speed and/or torque and adjusts motor current accordingly |
| 05/25/2000 | DE19852723A1 Schutzsystem in einem Leistungsmodulator zum Schutze der Last Protection system in a power modulator for the Protection of load |
| 05/25/2000 | DE19842256C1 Protection circuit for switching transistors in H-bridge circuit e.g. for model railway DC motor, sets transistors into off state if and as soon as voltage significantly different from half the motor operating voltage is detected |
| 05/24/2000 | EP1003262A2 Circuit breaker |
| 05/24/2000 | CN2379959Y Fin type radiator controlling box for transformer |
| 05/24/2000 | CN2379958Y Electromagnetic type main switch device for electric power for motor vehicle having protective function |
| 05/24/2000 | CN1052831C Method and equipment for controlling converter |
| 05/24/2000 | CN1052822C Method and apparatus for protecting switching element of inverter from being overheated |
| 05/23/2000 | US6067216 Safeguard feature in a circuit arrangement for protecting an electrical component from an undesirable electrical potential |
| 05/23/2000 | US6066932 Motor reversal protection apparatus |
| 05/23/2000 | US6066931 Motor controller unit having thermal startup protection |
| 05/18/2000 | WO2000028792A2 Electronic transformer for lighting |
| 05/17/2000 | EP1001518A1 Protection circuit for a switched-mode power supply |
| 05/17/2000 | EP1000453A1 Device and method for powering down a receiver, and electric apparatus equipped therewith |
| 05/17/2000 | CN2378866Y Rotor de-excitation apparatus for synchronous dynamo-electric generator |
| 05/17/2000 | CN2378865Y Self-supplying power memory type protector for dynamo-electric motors |
| 05/17/2000 | CN1253405A Power distribution control device and power distribution control method |
| 05/17/2000 | CN1253404A Protective circuit of switch type power source |
| 05/16/2000 | US6064165 Power window or panel controller |
| 05/10/2000 | EP0999635A1 Power supply monitoring ic and battery pack |
| 05/10/2000 | EP0999634A1 Power supply monitoring integrated circuit device and battery pack |