| Patents for H02H 6 - Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images (678) |
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| 09/04/2003 | WO2003073587A1 Method for simulating the temperature curve of electric drives |
| 09/02/2003 | US6614639 Control system including rectifier and method for controlling rectifier bridge by disabling gating of semiconductor device based upon heat sink or junction temperature |
| 08/19/2003 | US6609079 Method and arrangement for ascertaining state variables |
| 08/07/2003 | WO2003065533A1 Method for detecting saturation in a current transformer |
| 08/07/2003 | CA2474052A1 Method for detecting saturation in a current transformer |
| 07/29/2003 | US6600641 Overcurrent protection for the series fuse |
| 07/16/2003 | CN1114988C Protecting method for inrush current preventing resistor |
| 07/03/2003 | WO2003055029A1 Configurable interrupter for circuit overcurrent conditions |
| 07/03/2003 | WO2003055028A1 Determining an operational limit of a power transmission line |
| 07/02/2003 | EP1324455A1 Electric power transmission network state estimation |
| 07/02/2003 | EP1324454A1 Determining an operational limit of a power transmission line |
| 07/02/2003 | CN1427520A Estimating of power transmission net state |
| 06/26/2003 | US20030120440 Electric power transmission network state estimation |
| 06/19/2003 | US20030111976 Detection of loss of cooling air to traction motors |
| 06/12/2003 | US20030107863 Configurable interrupter for circuit overcurrent conditions |
| 05/14/2003 | EP1311047A2 Method of safety-oriented monitoring the rotational speed of a controlled drive motor |
| 05/14/2003 | EP1310030A1 Method for controlling and adjusting a motor-driven adjusting device |
| 05/13/2003 | US6563685 Thermal protection relay |
| 05/02/2003 | EP1306511A1 System and method for optimizing the control program of a window-lifting device with anti-jam protection |
| 04/02/2003 | EP1298771A2 Controller for a motor starter |
| 03/13/2003 | US20030048087 Method for protecting an electrical motor against thermal overload |
| 03/12/2003 | EP1290706A1 Switch, especially a coding switch |
| 03/11/2003 | CA2109258C Electrical circuit interrupting device |
| 02/20/2003 | US20030036821 Relaying method for protecting transformers |
| 02/19/2003 | EP1284039A1 Thermal monitoring of an electric load element |
| 01/01/2003 | CN1097864C 插座 Outlet |
| 12/05/2002 | US20020180611 Apparatus for preventing thermal damage to an electrical power transformer |
| 11/21/2002 | WO2002074567A3 Method and apparatus for preventing motor over temperature for a window closure system |
| 10/31/2002 | WO2002087050A1 Method and device for measuring the temperature of windings of a drive motor |
| 10/24/2002 | DE10119201A1 Method for measuring the winding temperature of drive motor e.g. for washing machine, requires measuring current flow through at least one winding of motor |
| 10/24/2002 | DE10115675A1 Operating motor, especially DC actuator motor, involves summing power loss derived from measured and threshold power values over period and comparing with upper threshold value |
| 10/16/2002 | EP1249060A1 Method for protecting an electrical motor against thermal overload |
| 09/26/2002 | WO2002074567A2 Method and apparatus for preventing motor over temperature for a window closure system |
| 09/26/2002 | US20020135332 Method and apparatus for preventing motor over temperature for a window closure system |
| 08/22/2002 | US20020113599 Apparatus and method for cooling power transformers |
| 08/13/2002 | US6434505 Method for determining the instantaneous winding temperature of the stator winding of a three-phase AC motor, in particular a pole-changeable asynchronous motor |
| 07/23/2002 | US6424266 Apparatus for preventing thermal damage to an electrical power transformer |
| 06/06/2002 | DE10053750A1 Verfahren und Vorrichtung zur überlastungsfreien Ansteuerung eines Aktuators Method and apparatus for congestion-free driving an actuator |
| 05/23/2002 | US20020062160 Method and apparatus for overload-free driving of an actuator |
| 05/02/2002 | DE10048704A1 Verfahren für eine Vorrichtung mit Leistungshalbleitern und Vorrichtung A method for a device with power semiconductors and apparatus |
| 04/04/2002 | DE10057375C1 Temperature monitoring circuit for regulated inductive load operated with pulse width modulation compares actual load current voltage with load current voltage provided by circuit model |
| 04/03/2002 | EP1193756A1 Method for a device with power semiconductors and an apparatus |
| 03/27/2002 | CN1341860A Device and method for determining local short-circuit |
| 03/21/2002 | DE10040080A1 Motor protection e.g. for choke flap in IC engine, involves computing direct current motor winding temperature from motor parameters; power is at least temporarily interrupted if threshold winding temperature exceeded |
| 03/13/2002 | EP1187288A2 Device and method for determining rare short circuit |
| 03/07/2002 | US20020027758 Overcurrent protection for the series fuse |
| 03/07/2002 | DE10042168A1 Verfahren zur Steuerung und Regelung einer motorisch angetriebenen Verstellvorrichtung Method for controlling and regulating a motor driven adjusting device |
| 03/04/2002 | CA2356778A1 Device and method for determining rare short circuit |
| 02/21/2002 | WO2002015359A1 Method for controlling and adjusting a motor-driven adjusting device |
| 02/14/2002 | WO2002012670A1 System and method for optimizing the control program of a window-lifting device with anti-jam protection |
| 01/24/2002 | US20020008951 Device and method for determining rare short circuit |
| 01/15/2002 | US6339310 Motor driving control device |
| 01/13/2002 | CA2313993A1 Apparatus for preventing thermal damage to an electrical power transformer |
| 01/01/2002 | US6334503 Electrically operated power steering apparatus selectively restricting electric power supply to motor by using initial value and subsequent increase of temperature of heated portion therein |
| 01/01/2002 | CA2031101C Microprocessor-based protective relay system |
| 11/29/2001 | WO2001091264A1 Thermal monitoring of an electric load element |
| 11/29/2001 | DE10026057A1 Thermische Überwachung eines elektrischen Lastelementes Thermal monitoring of an electrical load element |
| 10/24/2001 | EP1148606A1 Method to detect lost information in a microprocessor |
| 10/09/2001 | US6301090 Control system using an electric motor |
| 09/25/2001 | US6294888 Frequent start protection and economizer control for a motor starter |
| 09/12/2001 | EP1131872A1 Electric stator device for an internal combustion engine |
| 09/06/2001 | US20010019299 Thermal protection relay |
| 09/04/2001 | US6285292 Electronic trip device comprising an initialization device |
| 09/04/2001 | US6283631 Electronic device for modeling the temperature of a motor |
| 08/02/2001 | DE10002242A1 Verfahren zum Schutz eines Elektromotors vor thermischer Überlastung A method for protecting an electric motor against thermal overload |
| 07/26/2001 | WO2001054246A1 Method for protecting an electrical motor against thermal overload |
| 07/05/2001 | DE10037779A1 Verfahren und System zur Steuerung der automatischen Abschaltung eines Kraftfahrzeuganlassers Method and system for controlling the automatic shutdown of a motor vehicle starter |
| 07/04/2001 | EP1112616A1 System and method for output power compensation for actual device temperature |
| 06/21/2001 | WO2001045226A1 Overcurrent protection for the series fuse |
| 06/13/2001 | EP1107416A1 Thermal protection relay |
| 06/13/2001 | DE19956657A1 Schaltungsanordnung zum Schutz eines elektrischen Betriebsmittels Circuitry for protection of electrical equipment |
| 06/13/2001 | CN1299146A Thermal protection relay |
| 05/31/2001 | DE10053007A1 Instantaneous stator winding temperature determination for motor, involves solving difference equation where difference in temperature of winding at given time and immediately preceding timepoint is solved w.r.t operating parameters |
| 05/30/2001 | EP1104071A2 Circuit for monitoring an electrical installation |
| 05/30/2001 | EP1104069A2 Energy validation arrangement for a self-powered circuit breaker |
| 05/30/2001 | EP1104068A2 Energy validation arrangement for a self-powered circuit breaker |
| 05/30/2001 | EP1104067A2 Energy validation arrangement for a self-powered circuit breaker |
| 04/25/2001 | CN1292491A Fluid-filled electric equipment intelligent analytical system and method |
| 04/19/2001 | DE19946808A1 Elektrische Startervorrichtung für eine Brennkraftmaschine Electrical starter device for an internal combustion engine |
| 04/12/2001 | DE19948715A1 Verfahren zur Gewinnung einer einen thermischen Zustand eines elektrischen Verbrauchers repräsentierenden Ersatzgröße und Schaltungsanordnung zur Durchführung des Verfahrens A process for obtaining a thermal condition of an electrical load representing the substitute variable and circuit arrangement for performing the method |
| 04/05/2001 | WO2001024340A1 Method for obtaining a replacement quantity which represents a thermal state of an electric consumer, and circuit for carrying out said method |
| 04/05/2001 | WO2001024339A1 Electric stator device for an internal combustion engine |
| 03/29/2001 | DE10042338A1 Motor drive controller reduces current to motor coil according to temperature difference between upper temperature threshold and actual temperature of power switching element |
| 03/21/2001 | EP1085635A2 Fluid-filled electrical equipment intelligent analysis system and method |
| 03/21/2001 | CN1288277A Electronic tripping device having initialization device |
| 03/14/2001 | EP1083645A1 Electronic trip device comprising initializing apparatus |
| 03/08/2001 | DE19940680A1 Verfahren zum Steuern eines elektrischen Gerätes insbesondere eines Schrittmotors und zugehörige Einrichtung A method for controlling an electrical appliance, in particular a stepper motor and associated facility |
| 03/06/2001 | US6198241 Motor protection for a powered door system |
| 02/28/2001 | EP1079288A2 Method and apparatus for controlling an electrical device, especially a stepping motor |
| 02/28/2001 | EP1078433A1 Method and device for determining state variables |
| 01/09/2001 | US6172860 DC power source unit alarming before electrically powered tool is overheated and stopping power supply thereafter |
| 01/07/2001 | CA2311991A1 Motor protection for a powered door system |
| 12/06/2000 | EP1057715A2 Electrical power steering apparatus with temperature dependent current limitation |
| 12/05/2000 | US6157097 Protecting method for inrush current preventing resistor |
| 11/02/2000 | EP1048103A1 Method for performing instantaneous protection in a trip unit |
| 09/20/2000 | EP1037356A2 Frequent start protection and economizer control for a motor starter |
| 09/20/2000 | CN1267122A Fraquent start protection and energy-saving controller for starter of motor |
| 09/05/2000 | US6114828 Apparatus and method for preventing overload on switching device in inverter circuit for motor applicable to electric vehicle |
| 08/29/2000 | US6111379 Circuit configuration for driving an electrical drive unit |
| 08/17/2000 | WO2000011773A9 Method for performing instantaneous protection in a trip unit |