Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
---|
03/09/2000 | WO2000013281A1 Protection device for low voltage networks |
03/09/2000 | WO2000013280A1 Protection device for low voltage networks |
03/09/2000 | WO2000013279A1 Circuit configuration and method for an electronic fuse |
03/09/2000 | DE19839617A1 Schutzeinrichtung für Niederspannungsnetze Protection device for low-voltage networks |
03/09/2000 | DE19838492A1 Explosionsgeschützte Steckverbindungsanordnung Explosion-proof connector assembly |
03/08/2000 | EP0984478A1 Converting material for leak current protectors and its application |
03/08/2000 | EP0983626A1 Remote-control monitoring of an electronic overcurrent trip |
03/08/2000 | EP0886903B1 Power dissipation limiter for high frequency switch |
03/08/2000 | CN1246971A Circuit for selective power supply to electrical unit |
03/08/2000 | CN1246956A Winding in transformer or inductor |
03/08/2000 | CN1246620A Current transformer saturation crrection using analog nerval net |
03/08/2000 | CN1246616A Monitor of grounding system |
03/08/2000 | CN1050238C Detector for monitoring integrity of ground connection of electrical appliance |
03/08/2000 | CN1050237C Fault current protecting switch with energy storing circuit |
03/08/2000 | CN1050236C Excess current detecting device |
03/07/2000 | US6034497 Apparatus for detecting pinching of an object in a power window |
03/02/2000 | WO2000011773A1 Method for performing instantaneous protection in a trip unit |
03/02/2000 | WO2000011758A1 Explosion-proof plug-in connector |
03/02/2000 | WO2000011696A1 Circuit interrupting system with independent trip and reset lockout |
03/02/2000 | WO2000011692A1 Short-circuiting device |
03/02/2000 | DE19839616A1 Schutzeinrichtung für Niederspannungsnetze Protection device for low-voltage networks |
03/02/2000 | DE19838958A1 Safety protection for a number of electrical loads uses a combination of controlled switches and a common fuse, is simple and cost effective |
03/02/2000 | DE19837628A1 Einrichtung zum Kurzschließen Means for shorting |
03/02/2000 | CA2341552A1 Circuit interrupting system with independent trip and reset lockout |
03/01/2000 | EP0982825A1 Apparatus for regulating the speed of rotation of an electrical motor and apparatus for centrifuging comprising such a device |
03/01/2000 | EP0981848A1 Protective circuit |
03/01/2000 | CN2366999Y 自动开关 Automatic switch |
03/01/2000 | CN2366998Y Self-recovery type electric arrangement for emergency protection |
03/01/2000 | CN2366997Y Delay type disconnection means for leakage |
03/01/2000 | CN2366880Y Voltage stabilization protector for ac circuit |
03/01/2000 | CN2366857Y Circuit arrangement for definite range threshold for measuring alternating voltage signal |
03/01/2000 | CN1246213A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation |
03/01/2000 | CN1246212A Device and method relating to protection of object against over-currents comprising over-current reduction |
03/01/2000 | CN1246211A Device and method relating to protection of object against over-currents comprising over-current reduction |
03/01/2000 | CN1246210A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation |
03/01/2000 | CN1246209A Switching device including spark gap for switching electrical power |
03/01/2000 | CN1246208A Switching device including spark gap for switching electrical power |
03/01/2000 | CN1050001C Current signal correction process and device |
02/29/2000 | US6032268 Processor condition sensing circuits, systems and methods |
02/29/2000 | US6031705 Surge protection circuit, in particular for inputs of integrated circuits |
02/29/2000 | US6031703 Protection relay and process |
02/29/2000 | US6031699 Arc fault detector apparatus, means and system |
02/24/2000 | WO2000010238A1 Earth leakage protective relay |
02/24/2000 | DE19837059A1 Auslösevorrichtung für einen Schutzschalter, insbesondere einen Fehlerstrom-Schutzschalter Tripping device for a circuit breaker, especially a residual current circuit breaker |
02/23/2000 | EP0981195A2 Control arrangement for aperture closures |
02/23/2000 | EP0981193A2 Apparatus sensitive to arc amplitude for envelope detection of low current arcs |
02/23/2000 | EP0981148A2 Trip device for a circuit breaker, especially for an earth fault circuit breaker |
02/23/2000 | EP0980598A1 Electrical plug |
02/23/2000 | EP0980597A1 Matching overcurrent characteristic curves |
02/23/2000 | EP0980546A1 Non-intrusive power control for computer systems |
02/23/2000 | CN2365802Y Short-distance connecting line cipher locking protector |
02/23/2000 | CN2365800Y Automatic circuit protector for switch power supply |
02/23/2000 | CN2365756Y Overload switch |
02/23/2000 | CN2365755Y Remote-control leakage protector |
02/23/2000 | CN2365705Y Full-automatic multiple protection AC regulated voltage stabilized power supply |
02/22/2000 | US6028756 Using topological features to lower the blowing current needed for fuses |
02/22/2000 | US6028754 System for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients |
02/17/2000 | WO2000008663A1 Arc fault detection system |
02/17/2000 | DE19836828A1 Unterspannungsauslöser Undervoltage release |
02/17/2000 | DE19835781A1 Triggering of safety device protecting vehicle electrical wiring is avoided during transient start-up current peak by temporarily raising electronically-controlled triggering threshold |
02/16/2000 | EP0980129A2 Current transformer saturation correction using artificial neural networks |
02/16/2000 | EP0980128A2 Undervoltage release device |
02/16/2000 | CN2364612Y High-voltage, high-frequency lightning-arresting filter |
02/16/2000 | CN2364608Y Overvoltage protection device for leakage protector |
02/16/2000 | CN2364607Y Overcurrent, leakage and shock protection device |
02/16/2000 | CN1244964A System for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients |
02/16/2000 | CN1244742A High electric resistance earthing system for oil welle lectric system |
02/15/2000 | US6025981 Flexible voltage transient detector circuit |
02/15/2000 | US6025980 Earth leakage protective relay |
02/10/2000 | WO2000007205A1 Device for short-circuit protection |
02/10/2000 | WO2000007185A1 Method and apparatus of recording data in the optical recording medium |
02/10/2000 | WO1999059224A3 Electrical light socket |
02/10/2000 | DE19835485A1 Tripping safety mechanism for electrical conductors in motor vehicle |
02/10/2000 | DE19834474A1 Einrichtung zum Kurzschlußschutz Means for short-circuit protection |
02/10/2000 | DE19829802A1 Elektromagnetisches Relais Electromagnetic relay |
02/09/2000 | EP0978921A2 Secured shutdown and delayed re-start of DC power supply in broadband network |
02/09/2000 | EP0978919A2 High resistance grounding system for oil well electrical system |
02/09/2000 | EP0978918A2 Circuit interrupter with arcing fault protection and PCT (positive temperature coefficient resistivity) elements for short circuit and overload protection |
02/09/2000 | CN2363412Y All signal electronic protective circuit breaker |
02/09/2000 | CN2363411Y Diaphragm pressure overvoltage protector |
02/09/2000 | CN2363410Y Intelligent electric distribution switch monitoring controller |
02/08/2000 | US6023400 Safety adapter for ungrounded electrical socket |
02/08/2000 | CA2124496C Transient voltage protector |
02/03/2000 | DE19834469A1 Self-test method for digital or microprocessor-controlled overload protection arrangement |
02/02/2000 | EP0822908B1 Dc input cell for data acquisition circuits |
02/02/2000 | EP0822907B1 Ac input cell for data acquisition circuits |
02/02/2000 | CN2362221Y Arrester for distribution network |
02/02/2000 | CN2362218Y Voltage automatic monitoring modular |
02/02/2000 | CN2362217Y Improved integral electrical leakage automatic protector |
02/02/2000 | CN1049075C Thermistor type protector |
02/02/2000 | CN1049074C Breaker |
02/01/2000 | US6021037 Device including a thermally protected switching transistor |
02/01/2000 | US6021035 Apparatus for protection of power-electronics in series compensating systems |
02/01/2000 | US6021034 Ground fault protection circuit for multiple loads with separate GFCI branches and a common neutral for the GFCI electronics |
01/27/2000 | WO2000004619A1 Arcing fault detection system |
01/27/2000 | DE19833224A1 Electric load protection circuit e.g. for protecting power switch used for switching DC motors, asynchronous motors and similar devices |
01/26/2000 | EP0974993A2 Electrical switchgear with synchronous control system and actuator |
01/26/2000 | EP0974181A1 Improvements in transient overvoltage and lightning protection of power connected equipment |
01/26/2000 | EP0974180A1 System comprising hot insertable/removable function units |
01/26/2000 | CN2361021Y Full automatic phase loss protector |