| 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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| 03/13/2002 | EP1186084A1 Electrical circuit breaker for protecting against overcurrents |
| 03/13/2002 | EP1185993A1 A method for overcurrent protection in a superconducting cable |
| 03/13/2002 | CN2482266Y Automatic vacuum de-excitation device for large electric generator |
| 03/13/2002 | CN1080943C Protection system for power receiving station |
| 03/13/2002 | CN1080942C Self adaptive weighing differential protection method for bus |
| 03/13/2002 | CN1080941C 供电装置 Power supply unit |
| 03/13/2002 | CN1080864C Ice removal motor control circuit and method for automatic ice maker |
| 03/13/2002 | CN1080863C A compressor control circuit |
| 03/12/2002 | US6356421 System for power transformer differential protection |
| 03/07/2002 | WO2002018172A1 Electronic controller for vehicular wheelchair access |
| 03/07/2002 | WO2001091265A3 Fault tolerant motor drive arrangement with independent phase connections and monitoring system |
| 03/07/2002 | WO2001069750A3 Improved recloser coordination scheme |
| 03/07/2002 | US20020027758 Overcurrent protection for the series fuse |
| 03/07/2002 | US20020027432 Power supply negative phase detecting circuit |
| 03/07/2002 | DE10042168A1 Verfahren zur Steuerung und Regelung einer motorisch angetriebenen Verstellvorrichtung Method for controlling and regulating a motor driven adjusting device |
| 03/06/2002 | EP1183764A1 An electrical machine winding ground-fault protection system |
| 03/06/2002 | EP1183763A1 An electrical machine winding ground-fault protection system |
| 03/06/2002 | CN2481033Y Three-phase ac all-control comprehensive starter |
| 03/06/2002 | CN2481032Y AC contact for phase losing protection |
| 03/06/2002 | CN1338817A Control unit of motor for plastic injection machine |
| 03/06/2002 | CN1080477C Circuit for detecting overcharging and overdischarging |
| 03/06/2002 | CN1080475C Ground fault protecting apparatus and method for solar power generating and solar power generation apparatus using apparatus and method |
| 03/06/2002 | CN1080474C 同步电机 Synchronous motors |
| 03/05/2002 | US6353307 Controlled rectifier bridge with over-voltage protection |
| 03/05/2002 | US6351960 Apparatus and method for protecting motor of inverter refrigerator |
| 03/04/2002 | CA2356778A1 Device and method for determining rare short circuit |
| 02/28/2002 | WO2002017459A1 A control circuit for controlling a power supply to a motor |
| 02/28/2002 | WO2001078209A3 Improved line current differential protective relaying method and relay for in-zone tapped transformers |
| 02/28/2002 | WO2001076036A3 Differential protective relay for electrical buses with improved immunity to saturation of current transformers |
| 02/28/2002 | US20020024310 Entrapment detection device of opening/closing member |
| 02/28/2002 | US20020024070 Integrated circuit with protection device |
| 02/28/2002 | DE10040231A1 Kurzschluss-Schutzsystem für Schiffe Short circuit protection system for ships |
| 02/27/2002 | EP1182770A2 Electromotive drive and method for operating of an electronic commutated electric motor |
| 02/27/2002 | EP1182762A2 Electrical tool and method of its use |
| 02/27/2002 | EP1181760A2 Devices and methods for protection of rechargeable elements |
| 02/27/2002 | EP1181757A1 Method for operating an electric motor, and an electric motor for carrying out such a method |
| 02/27/2002 | EP1181628A1 Method for nonvolatile storage of at least one operating data value of an electrical motor and electrical motor for said method |
| 02/27/2002 | EP0998776B1 Control circuit for a direct current motor |
| 02/27/2002 | CN2479678Y Automatic protector for submersible electric pump |
| 02/27/2002 | CN1338054A Battery power source protecting device for an electromotive device |
| 02/27/2002 | CN1080015C Improved electrophoresis circuit for electronic products |
| 02/26/2002 | US6351359 Circuit for blocking a semiconductor switching device on overcurrent |
| 02/21/2002 | WO2002015361A1 Instant tripping device for short circuits in electrical dc and ac networks of surface and underwater vessels, especially combat vessels, and offshore installations |
| 02/21/2002 | WO2002015359A1 Method for controlling and adjusting a motor-driven adjusting device |
| 02/21/2002 | WO2002014736A1 Cryostat for electrical devices such as superconducting current limiters and electrical machines such as transformers, motors, generators and electrical magnets with a superconducting winding |
| 02/21/2002 | DE10038192A1 Current limiting device e.g. for electric motor, has voltage-dependent resistance element in parallel with one or more high-temperature superconductive structures |
| 02/21/2002 | DE10034014A1 Verfahren zum Betrieb einer elektrischen Antriebseinheit A method of operating an electric drive unit |
| 02/20/2002 | EP1180850A2 Control unit of motor for injection molding machine |
| 02/20/2002 | EP1180840A2 Power supply negative phase detecting circuit |
| 02/20/2002 | CN2478271Y High frequency high voltage switch mains for electrostatic cooker hood |
| 02/20/2002 | CN1079609C Fault control circuit for switched power supply |
| 02/20/2002 | CN1079600C 数字电流差分系统 Digital current differential system |
| 02/20/2002 | CN1079573C Method and device for preventing explosions and fires in electrical transformers |
| 02/19/2002 | US6348847 Control device for breaker |
| 02/19/2002 | US6347482 Safety device for power windows |
| 02/14/2002 | WO2002012670A1 System and method for optimizing the control program of a window-lifting device with anti-jam protection |
| 02/14/2002 | WO2001043253A3 System for power transformer differential protection |
| 02/14/2002 | US20020018823 Control unit of motor for injection molding machine |
| 02/14/2002 | US20020017974 Electrical transformer |
| 02/14/2002 | US20020017970 Superconducting switching element and method |
| 02/14/2002 | US20020017942 Voltage division method for protection a gainst load dump conditions |
| 02/14/2002 | US20020017893 Method and circuit for using polarized device in AC applications |
| 02/13/2002 | CN1335660A Low voltage comprehensive power station monitoring and protecting system |
| 02/12/2002 | US6347030 Battery supply control unit |
| 02/12/2002 | US6347028 Load control system having an overload protection circuit |
| 02/12/2002 | US6347027 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 02/07/2002 | WO2001054247A8 Coaxial surge protector having thermal fail-safe shunt |
| 02/07/2002 | US20020015271 Methods and arrangements to detect and respond to faults in electrical power distribution equipment and systems |
| 02/07/2002 | US20020014945 Protective element |
| 02/07/2002 | US20020014877 Electric power steering system |
| 02/07/2002 | US20020014871 Power window apparatus provided with control part for detecting pinching and method for controlling the same |
| 02/07/2002 | DE10129321A1 Fahrzeugwechselstromgenerator mit einer Spannungssteuereinheit Vehicle AC generator having a voltage control unit |
| 02/06/2002 | EP1177925A2 Power window system with control unit for detecting foreign object caught in car window |
| 02/06/2002 | EP1177616A1 Electronically commutable motor, in particular, for a liquid pump |
| 02/06/2002 | EP1177609A1 Fail-safe mechanism for dc-drive |
| 02/06/2002 | CN2476124Y Outdoor circuit breaker comprehensive control protector |
| 02/06/2002 | CN1334627A Relay protection and failure location system for power distribution network |
| 02/06/2002 | CN1078967C Line protection system for optical interface |
| 02/06/2002 | CN1078966C Rechargeable battery with built-in safety circuit for portable electric apparatus |
| 02/05/2002 | US6344633 Stacked protective device lacking an insulating layer between the heating element and the low-melting element |
| 01/31/2002 | WO2000059094A9 Devices and methods for protection of rechargeable elements |
| 01/31/2002 | US20020012217 Controls for loads such as air conditioner compressors |
| 01/31/2002 | US20020011935 Electric system with electricity leakage prevention and warning system for hybrid electric vehicle and method for controlling same |
| 01/31/2002 | DE10122853A1 Motor control unit has error detection device connected in parallel with each switch to detect error state in which winding(s) is permanently connected in single phase between supply line pair |
| 01/30/2002 | EP1176687A2 Power window apparatus provided with control part for detecting pinching and method for controlling the same |
| 01/30/2002 | CN2475211Y Over-current protector |
| 01/30/2002 | CN1333938A System and method for protecting electric motor and its control circuit, and electric motor |
| 01/30/2002 | CN1078760C Electric power distribution system with automatic protection breakers and related method |
| 01/30/2002 | CN1078759C Double silicon control automatic regulator fault population detecting protection method and device |
| 01/30/2002 | CN1078756C Sequence based network protector relay with forward overcurrent protection and anti-pumping teature |
| 01/30/2002 | CN1078708C Checking device for wrong wire distribution of power supply |
| 01/29/2002 | US6342791 Diode defect detecting device |
| 01/24/2002 | WO2002006615A2 Method for operating an electrical drive unit |
| 01/24/2002 | US20020008951 Device and method for determining rare short circuit |
| 01/24/2002 | DE10122851A1 Automatische Zündänderung, wenn Motorleitungen bei einem Soft-Starter für einen Dreiecksmotor vertauscht sind Automatic Zündänderung if motor leads are reversed with a soft starter for a delta motor |
| 01/24/2002 | DE10036762C1 Output voltage regulation device for automobile electrical generator uses central processing element with memory holding stored switching information for supplied load |
| 01/23/2002 | CN2473798Y Intelligent motor protector |
| 01/23/2002 | CN2473797Y high precision digit display motor protector |
| 01/23/2002 | CN1332507A Combined member of overload protection for motor-driven compressor |
| 01/22/2002 | US6341054 Intelligent power distribution network |