| 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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| 01/09/2007 | US7161778 Rotor thermal model for use in motor protection |
| 12/28/2006 | WO2006121694A3 Electronic overload relay for mains-fed induction motors |
| 12/27/2006 | EP1735801A1 Method and device for detecting the degree of pollution in an operational converter |
| 11/16/2006 | WO2006121694A2 Electronic overload relay for mains-fed induction motors |
| 11/16/2006 | CA2608145A1 Electronic overload relay for mains-fed induction motors |
| 11/08/2006 | EP1719232A1 Thermal overload protection |
| 11/08/2006 | EP1719231A1 Thermal overload protection |
| 10/17/2006 | US7123457 System for transitioning to the trip threshold for the start condition thermal model for a motor protection relay |
| 09/21/2006 | US20060209480 Device and method for protecting an electric machine |
| 09/12/2006 | US7107162 Determining an operational limit of a power transmission line |
| 08/10/2006 | WO2006082137A1 Method for monitoring the temperature of at least one bearing of an electric machine, corresponding monitoring device and electric machine comprising such a monitoring device |
| 08/09/2006 | CN1816954A Device and method for protecting an electric machine |
| 08/03/2006 | DE4141837B4 Vorrichtung zur Regelung eines Generators Device for regulating a generator |
| 07/13/2006 | DE102004063252A1 Elektronisches Gerät mit Temperaturverteilungsermittlungsmöglichkeit Electronic device with temperature distribution determination possibility |
| 06/29/2006 | WO2006068615A1 A method and a device for determining the load state of power system components |
| 06/27/2006 | US7069159 Electric power transmission network state estimation |
| 06/22/2006 | WO2006065337A1 Overload protection system for an electrical device |
| 05/23/2006 | US7050281 Device and method for determining rare short circuit |
| 05/10/2006 | EP1655817A2 Actuator with means for determining the temperature of an electric motor |
| 04/12/2006 | EP1645020A1 Device and method for protecting an electric machine |
| 04/05/2006 | EP1643629A2 Circuit interrupter control with extended current range |
| 03/29/2006 | CN1248005C Tap changer condition diagnosing |
| 03/28/2006 | US7019951 Extended trip range motor control system and method |
| 02/23/2006 | US20060038539 Electric machine |
| 02/22/2006 | CN1739227A Condition diagnosing |
| 02/14/2006 | US6998735 Controlled rectifier bridge, control system, and method for controlling rectifier bridge by disabling gate control signals |
| 02/07/2006 | US6995964 Combination-type motor control with extended current range |
| 01/25/2006 | EP0773623B1 Method and device for protecting regenerative resistor in a driving inverter for a servo motor |
| 01/12/2006 | DE10147531B4 Steuereinrichtung für einen Motorstarter Control device for an engine starter |
| 01/05/2006 | DE102004028700A1 Solenoid valve`s control loop malfunction detection system for motor vehicle gearbox, has microcontroller to adjust voltage applied to valve, and to evaluate duty cycle of switch by forming valve model, for applying valve current to valve |
| 12/22/2005 | DE19539753B4 Kraftfahrzeugtürverschluß mit Zentralverriegelungseinrichtung Motor vehicle door lock with central locking system |
| 12/08/2005 | US20050270709 Nuisance trip reducing motor control system and method |
| 12/08/2005 | US20050270708 Combination-type motor control with extended current range |
| 12/08/2005 | US20050270707 Extended trip range motor control system and method |
| 12/01/2005 | DE102004022005A1 Vorrichtung zum Schutz vor thermischer Überlastung Device for protection against thermal overload |
| 11/17/2005 | WO2005109592A1 Device for protection against thermal overload |
| 11/16/2005 | EP1596492A1 Motor control method and motor controller |
| 11/16/2005 | EP1454398A4 Configurable interrupter for circuit overcurrent conditions |
| 11/03/2005 | DE19705925B4 Steuervorrichtung zum Betreiben eines Wischermotors Control device for operating a wiper motor |
| 11/03/2005 | DE102004018578A1 Verfahren und Vorrichtung zur Erfassung eines Verschmutzungsgrades eines betriebenen Umrichtergerätes Method and apparatus for detecting a degree of contamination of an operational converter |
| 10/27/2005 | WO2005101431A1 Method and device for detecting the degree of pollution in an operational converter |
| 10/06/2005 | US20050222808 Determining an operational limit of a power transmision line |
| 10/05/2005 | EP1583197A2 Protection of power semiconductor components |
| 09/29/2005 | US20050212679 Protection of power semiconductor components |
| 09/27/2005 | US6949945 Method and apparatus for measurement of the winding temperature of a drive motor |
| 09/21/2005 | CN1672317A Electric machine |
| 08/17/2005 | EP1382104B1 Method and device for measuring the temperature of windings of a drive motor |
| 08/11/2005 | WO2005074090A1 Thermal overload protection |
| 08/11/2005 | WO2005074089A1 Thermal overload protection |
| 07/27/2005 | CN1212699C Frequent start production and energy-saving controller for starter of motor |
| 06/30/2005 | US20050140352 Method for detecting saturation in a current transformer |
| 06/15/2005 | EP1540812A1 Electric machine |
| 06/15/2005 | CN1206688C Thermal protection relay |
| 05/24/2005 | US6897782 Thermal monitoring of an electric load element |
| 04/19/2005 | US6882123 System and method to simulate and evaluate management algorithms of a panel or mobile window, activated by an electric motor, with anti-crushing security and programme for its execution |
| 04/14/2005 | WO2004110837B1 Thermal model for an electronic component |
| 03/09/2005 | EP0938766B1 Control system using an electric motor |
| 03/03/2005 | US20050047043 Distance protective relay using a programmable thermal model for thermal protection |
| 02/24/2005 | WO2005017638A1 Protection device comprising a rotary coding switch |
| 02/17/2005 | WO2004110837A3 Thermal model for an electronic component |
| 01/27/2005 | WO2005008857A1 Device and method for protecting an electric machine |
| 01/27/2005 | DE10331506A1 Verfahren und Vorrichtung zum Bestimmen der Generatortemperatur aus dem Erregerstrom Method and device for determining the temperature from the generator excitation current |
| 01/25/2005 | US6847187 Detection of loss of cooling air to traction motors |
| 01/12/2005 | EP1496590A2 Method and device for determining the generator temperature from the excitation current |
| 01/12/2005 | EP1496589A1 Apparatus and method for protection of an electrical machine |
| 12/30/2004 | US20040264074 System for transitioning to the trip threshold for the start condition thermal model for a motor protection relay |
| 12/30/2004 | US20040264073 Rotor thermal model for use in motor protection |
| 12/29/2004 | EP1306511B1 System and method for optimizing the control program of a window-lifting device with anti-jam protection |
| 12/23/2004 | WO2004110837A2 Thermal model for an electronic component |
| 12/01/2004 | EP1481461A1 Method for simulating the temperature curve of electric drives |
| 11/02/2004 | CA2057941C Integrated circuit with analog and digital portions and including thermal modelling |
| 10/27/2004 | EP1470625A1 Method for detecting saturation in a current transformer |
| 10/14/2004 | US20040201359 Detection of loss of cooling air to traction motors |
| 10/12/2004 | US6804562 Method and apparatus for overload-free driving of an actuator |
| 09/09/2004 | DE10307708A1 Verfahren zur Temperaturüberwachung eines Elektromotors A method for monitoring the temperature of an electric motor |
| 09/08/2004 | EP1454398A1 Configurable interrupter for circuit overcurrent conditions |
| 09/01/2004 | CN1165101C Apparatus and method for determining local short-circuit |
| 08/25/2004 | EP1450460A2 Method for monitoring the temperature of an electromotor |
| 07/22/2004 | WO2004062082A1 Control method for an electrical drive |
| 07/20/2004 | US6765776 Configurable interrupter for circuit overcurrent conditions |
| 06/24/2004 | DE10257425A1 Electrical voltage supply monitoring arrangement for protecting a system against overloading, e.g. in a motor vehicle, whereby thermodynamic models of cables or components are used to predict over-heating |
| 06/03/2004 | DE10254295A1 Permanent magnet machine rotor or magnet temperature monitoring procedure calculates temperature from no load voltage and remanence function |
| 05/26/2004 | EP1249060B1 Method for protecting an electrical motor against thermal overload |
| 05/19/2004 | DE10250731A1 Method for monitoring junction temperatures of power semiconductors in multiphase inverters or rectifiers e.g. for road vehicles, involves using phase current of at least one selected bridge branch |
| 05/04/2004 | US6731481 Relaying method for protecting transformers |
| 04/29/2004 | US20040080888 Controlled rectifier bridge, control system, and method for controlling rectifier bridge by disabling gate control signals |
| 04/29/2004 | US20040080333 Method and apparatus for measurement of the winding temperature of a drive motor |
| 04/27/2004 | US6727821 Apparatus and method for predicting an overload trip for an electrical power transformer |
| 04/01/2004 | US20040061481 Thermal monitoring of an electric load element |
| 03/30/2004 | US6714022 Apparatus and method for cooling power transformers |
| 03/24/2004 | EP1310030B1 Method for controlling and adjusting a motor-driven adjusting device |
| 02/05/2004 | WO2004012327A1 Electric machine |
| 01/21/2004 | EP1383217A1 Overcurrent trip device for electronic circuit breaker and method for simulating a trip curve |
| 01/21/2004 | EP1382104A1 Method and device for measuring the temperature of windings of a drive motor |
| 12/30/2003 | US6668781 Electric starter device for an internal combustion engine |
| 12/17/2003 | EP1284039B1 Thermal monitoring of an electric load element |
| 10/01/2003 | EP1290706B1 Switch, especially a coding switch |
| 09/30/2003 | US6629044 Electrical distribution analysis method and apparatus |
| 09/30/2003 | CA2170011C Lift truck with internal temperature monitor and system |
| 09/11/2003 | US20030171866 Method for controlling and adjusting a motor-driven adjusting device |