| 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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| 12/29/2004 | CN1558529A 微机保护及电力监控系统 Computer protection and power monitoring system |
| 12/29/2004 | CN1558523A Excess current protection method for permanent-magnet device |
| 12/29/2004 | CN1558522A Excess voltage protection circuit and power supply with the circuit |
| 12/29/2004 | CN1558521A Phase-splitting integrated zero-sequence method for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558520A Phase sequence synthesized integration method for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558519A Phase sequence synthesized brake method for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558518A Integrated phase-splitting difference stream method for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558517A Phase-splitting zero-sequence brake method for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558516A Phase-splitting integrated zero-sequence brake method for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558515A Phase sequence synthesizing method for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558514A Phase-splitting difference stream method for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558513A Phase-splitting difference stream method for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558512A Integrated differential flow method for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558511A Phase-splitting differential flow method for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558510A Negative sequence synthesized integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558509A Phase-splitting integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558508A Three-phase integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558507A Maximum difference stream integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558506A Positive sequence synthesized integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558505A Negative sequence synthesized brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558504A Positive sequence synthesized brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558503A Maximum difference stream brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558502A Three-phase brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558501A Phase-splitting brake device for preventing multiple-branch voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558500A Negative sequence differential flow integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558499A Positive sequence differential flow integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558498A Maximum differential flow integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558497A Three-phase integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558496A Negative sequence synthesized brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558495A Phase-splitting integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558494A Positive sequence synthesized brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558493A Maximum differential flow brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558492A Three-phase brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558491A Maximum difference stream brake device for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558490A Integrated difference stream brake device for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558489A Phase-splitting brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558488A Three-phase brake device for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558487A Phase-splitting brake device for preventing voltage transformer differential protection unwanted operation by utilizing fault components |
| 12/29/2004 | CN1558486A Integrated differential flow brake device for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558485A Maximum differential flow brake device for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558484A Three-phase brake device for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558483A Phase-splitting brake device for preventing voltage transformer differential protection unwanted operation |
| 12/29/2004 | CN1558482A Static exciter inrush current inhibition method and apparatus |
| 12/29/2004 | CN1558481A Method for branch line unit protection |
| 12/23/2004 | US20040257741 Control and protection module of a switch device |
| 12/23/2004 | US20040257737 Process and system for emergency control of the switching of a power transistor |
| 12/23/2004 | US20040257723 Method and device for circuit control |
| 12/23/2004 | US20040257017 Method and arrangement for testing a power output stage |
| 12/23/2004 | US20040257010 Open-and-close control system for openable apparatus |
| 12/23/2004 | DE10323908A1 Verfahren und Anordnung zur Überwachung einer Leistungsendstufe Method and apparatus for monitoring a power output stage |
| 12/23/2004 | DE102004026218A1 Auf einen Hindernisdetektor ansprechende Einrichtung und Verfahren zum Betätigen einer bewegbaren Barriere On an obstacle detector responsive means and method for operating a movable barrier |
| 12/22/2004 | EP1489733A2 Rectifier circuit for transponder |
| 12/22/2004 | CN2666009Y Automatic tuning protection device |
| 12/22/2004 | CN2666006Y Automatic judging and removing device for main circuit grounding of electric locomotive |
| 12/22/2004 | CN2666005Y Device for protecting, observing and controlling electric load equipment |
| 12/22/2004 | CN1556571A Universal anti-electrc wall device of electric stove and similar appliance controlled by single chip machine |
| 12/22/2004 | CN1556570A Protective method of oscillaton water column type wave energy device turbine electric generator set |
| 12/21/2004 | US6833990 Electronic controller modules and methods for making and using same |
| 12/21/2004 | US6833983 Current limiting super capacitor charger |
| 12/21/2004 | US6833777 Switching method for an electromagnetic switching device and an electromagnetic switching device corresponding thereto |
| 12/21/2004 | US6833681 Barrier movement control for mid-travel barrier movement start |
| 12/16/2004 | WO2004109892A2 Controller for permanent magnet alternator |
| 12/16/2004 | WO2004109885A2 Self-learning electronic fuse |
| 12/16/2004 | WO2004109571A1 Method for increasing the capacity of an installation used to carry out an industrial process |
| 12/16/2004 | US20040252436 Protection circuit for a digital subscriber line device |
| 12/16/2004 | US20040252432 Protection circuit for power management semiconductor devices and power converter having the protection circuit |
| 12/16/2004 | US20040252423 Intelligent automatic bypass for a motor control device fault |
| 12/16/2004 | US20040252421 Miniaturized motor overload protector |
| 12/16/2004 | US20040252420 Matrix current limiter with transformer configurations |
| 12/16/2004 | US20040251868 Method and system for controlling vehicle door position in response to detection of abnormal operation |
| 12/16/2004 | DE10322888A1 Intergrierter Schaltkreis mit Transponder Integrated circuit with transponder |
| 12/16/2004 | DE10320926A1 Verfahren und Anordnung zur Prüfung einer Leistungsendstufe Method and apparatus for testing a power amplifier |
| 12/16/2004 | DE102004024111A1 Protective circuit against reverse current flow through body diode of FET power switch component for series-connected load, e.g. motor which can deliver voltage along source |
| 12/16/2004 | CA2528778A1 Method for increasing the capacity of an installation used to carry out an industrial process |
| 12/16/2004 | CA2528145A1 Controller for permanent magnet alternator |
| 12/15/2004 | EP1487078A2 initialising method for a power assisted adjustement device and device for performing it |
| 12/15/2004 | EP1487077A2 Self-learning electronic fuse |
| 12/15/2004 | EP1487076A1 Method and device for controlling a motorised roller shutter |
| 12/15/2004 | EP1487075A1 Method and device for controlling a motorised roller shutter |
| 12/15/2004 | EP1010234A4 High power inverter pole employing series connected devices configured for reduced stray loop inductance |
| 12/15/2004 | CN2664258Y Charging controller of electric bicycle |
| 12/15/2004 | CN2664251Y Temperature protecting device for electric motor |
| 12/15/2004 | CN1555116A Fault-tolerant complex judging self adaption high voltage parallel reactor turn-to-turn protection |
| 12/15/2004 | CN1555115A Digital high votage parallel reactor longitudinal protection with end braking |
| 12/14/2004 | US6831445 Automotive alternator having parallel connected circulating circuit to rapidly attenuate field current |
| 12/14/2004 | US6831434 Control circuit for brushless DC motor equipped with protective circuit |
| 12/14/2004 | CA2213426C Circuit arrangement for operating electrical incandescent bulbs |
| 12/14/2004 | CA2108403C Electrical distribution equipment with torque estimating capability |
| 12/09/2004 | WO2004107550A1 Temperature monitoring of parallel-connected inverter modules |
| 12/09/2004 | WO2004084397A3 Control and monitoring arrangements for an aperture closure member |
| 12/09/2004 | US20040249513 Method for initializing a power-activated adjusting device and device for implementing said initialization method |
| 12/09/2004 | US20040246637 Motor condition detection apparatus and vehicle height control apparatus |
| 12/09/2004 | US20040246636 Regulator protection circuit and power supply apparatus incorporating it |
| 12/09/2004 | US20040246138 Method and apparatus for monitoring motor rotation speed |
| 12/09/2004 | US20040245344 Integrated circuit for a transponder |
| 12/09/2004 | DE4411300B4 Verfahren zur Erkennung der Endstellung eines elektromotorisch angetriebenen Fensterhebers und Vorrichtung zur Durchführung des Verfahrens Method for detecting the end position of an electric motor-driven window regulator and a device for carrying out the method |
| 12/09/2004 | DE20316222U1 Fensterheber, Steuerungsvorrichtung eines Fensterhebers Windows, control apparatus of a window lifter |
| 12/09/2004 | DE202004005643U1 Barrier actuator with obstacle detection, e.g. for garage door, has motor with shifted characteristic curve to allow rapid detection of changes in movement of barrier |
| 12/09/2004 | DE10322195A1 Verfahren zur Überwachung einer Leistungsendstufe A method for monitoring a power output stage |
| 12/08/2004 | EP1484656A2 Movable barrier operator having force and position learning capability |