| 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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| 07/01/2009 | CN201266831Y Protection equipment for transformer of resistance welder |
| 07/01/2009 | CN101471562A Protective circuit for locking single particle |
| 07/01/2009 | CN101471560A Locking detection circuit |
| 06/30/2009 | US7555366 Thermal overload protection |
| 06/30/2009 | US7554820 Series resonant DC-DC converter |
| 06/30/2009 | US7554785 Lightning damage protection for composite aircraft |
| 06/30/2009 | US7554780 Inverter system, AC rotating machine and electric power converter |
| 06/30/2009 | US7554778 System and method for managing fault in a power system |
| 06/30/2009 | US7554777 Power supply control apparatus including control circuit chip with reverse-connected battery protection |
| 06/25/2009 | WO2009077214A1 Drive system and associated control method |
| 06/25/2009 | WO2009076769A1 A method and system for protecting an electrical power transmission network |
| 06/25/2009 | DE112007001923T5 Signalerzeugungseinheit und Verfahren zum Erzeugen eines Datensignals in einer Steuereinheit einer Stromversorgungseinrichtung Signal generation unit and method for generating a data signal in a control unit of a power supply device |
| 06/25/2009 | DE102007060188A1 Antriebssystem und zugehöriges Steuerverfahren Drive system and associated control method |
| 06/24/2009 | EP2073367A1 Alternating voltage generator equipped with a current limiting device |
| 06/24/2009 | EP1704636B1 Variable ac voltage regulation control method and apparatus |
| 06/24/2009 | CN201263084Y Protection circuit for electronic gun power supply |
| 06/24/2009 | CN201263083Y Universal renovation charger for electric vehicle |
| 06/24/2009 | CN201263082Y Apparatus for monitoring and analyzing generator excitation system state |
| 06/24/2009 | CN101465539A Battery pack |
| 06/24/2009 | CN100505467C Fake battery detecting device of mobile communication terminal |
| 06/24/2009 | CN100505466C Distributed type battery managing system and managing method |
| 06/24/2009 | CN100505465C Overcurrent protector |
| 06/24/2009 | CN100505464C Electronic anti-slip protector |
| 06/23/2009 | US7551411 Control and protection methodologies for a motor control module |
| 06/23/2009 | US7551410 Superconductor current limiting system and method |
| 06/23/2009 | US7551034 Saturation handling |
| 06/23/2009 | US7550952 Electric power control apparatus, power generation system and power grid system |
| 06/23/2009 | US7550950 Battery pack and protection circuit including thermistor thermally connected to switching element |
| 06/18/2009 | WO2009076410A1 Load restoration for feeder automation in electric power distribution systems |
| 06/18/2009 | WO2009007681A3 Electric motor control |
| 06/18/2009 | US20090154205 Snubber capacitor resetting in a dc-to-dc converter |
| 06/18/2009 | US20090154204 Reverse biasing active snubber |
| 06/18/2009 | US20090154047 Power Node Switching Center |
| 06/18/2009 | US20090153088 Method and device for temperature limitation according to current and/or voltage |
| 06/18/2009 | DE102008055923A1 Verhaltenstest für Abschaltpfad für einen Permanentmagnet-AC-Motor in einem Hybridantriebsstrang Behavioral test for shutdown for a permanent magnet AC motor in a hybrid powertrain |
| 06/17/2009 | EP2071701A1 Breaker open/closure control system |
| 06/17/2009 | EP2071689A1 Discharger and discharge control method |
| 06/17/2009 | EP2071119A2 Monitoring device for a driven gate and gate equipped with same |
| 06/17/2009 | EP2070172A1 Redundant protective system and method for the redundant monitoring of objects to be protected in an electrical energy supply system |
| 06/17/2009 | EP2070171A2 Inverter with improved overcurrent protection circuit, and power supply and electronic ballast therefor |
| 06/17/2009 | CN201260073Y Protection circuit applied to inverter |
| 06/17/2009 | CN201260072Y Digital motor protection device |
| 06/17/2009 | CN201260071Y Transformer cooler control circuit |
| 06/17/2009 | CN201260070Y Digital capacitor protection device |
| 06/17/2009 | CN201260069Y Digital line protective device |
| 06/17/2009 | CN101459334A Electrical power system failure information obtaining method |
| 06/17/2009 | CN101459333A Backlight open loop protection circuit |
| 06/17/2009 | CN100502191C MOS type over-temperature protection circuit |
| 06/17/2009 | CN100502190C Method and circuit of battery under-voltage protection |
| 06/17/2009 | CN100502189C Overcurrent detecting circuit and power supply device provided with it |
| 06/16/2009 | US7548404 Combination current sensor and relay |
| 06/16/2009 | US7548037 Collision monitoring system |
| 06/16/2009 | US7547994 Apparatus and method for managing power of mobile terminal |
| 06/11/2009 | WO2009073868A1 Safety mechanisms, wake up and shutdown methods in distributed power installations |
| 06/11/2009 | WO2009073407A1 Transformer inrush current detector |
| 06/11/2009 | US20090149141 Signal shielding box with a plurality of shielding covers |
| 06/11/2009 | US20090147552 Systems and methods involving balancing currents for thyristors |
| 06/11/2009 | US20090147412 Transformer inrush current detector |
| 06/11/2009 | US20090147411 Thyristor controlled series capacitor module |
| 06/11/2009 | US20090146599 System and method for motor fault detection using stator current noise cancellation |
| 06/11/2009 | CA2707481A1 Transformer inrush current detector |
| 06/10/2009 | EP2068415A2 Method for monitoring the operation of a household appliance, and related household appliance |
| 06/10/2009 | EP2067226A1 Thyristor valve of a hvdc transmission system |
| 06/10/2009 | DE112007001754T5 Spiegeleinstellmechanismus, Seitenspiegeleinheit und Verfahren dafür Mirror adjustment mechanism, side mirror assembly and method therefor |
| 06/10/2009 | DE10321168B4 Motorsteuereinrichtung mit einer elektronischen Schutzschaltung gegen Einschaltstoßströme Motor control means having an electronic protective circuit against inrush |
| 06/10/2009 | DE10196629B4 Sensorsystem für ein angetriebenes Schliesssystem und Verfahren zum bedarfsweisen Verhindern des Schliessens eines angetriebenen Schliesssystems Sensor system for a powered closing system and method for required preventing the closing of a locking system driven |
| 06/10/2009 | CN201256289Y Remote controlling electric switching device for output clamping circuit |
| 06/10/2009 | CN201256288Y Bias protection device and circuit for avalanche photo diode |
| 06/10/2009 | CN201256287Y Intelligent protection switch for vehicle-mounted mobile television |
| 06/10/2009 | CN201256286Y Under voltage protection system for electric vehicle |
| 06/10/2009 | CN201256285Y Overload protection system for electric power vehicle |
| 06/10/2009 | CN201256284Y Overvoltage and overcurrent protection control system for large power inversion module |
| 06/10/2009 | CN201256283Y Healthcare pre-alarming and relay protection fusion device for large asynchronous motor |
| 06/10/2009 | CN101453115A Instant collision detection device for internal combustion locomotive machine winding |
| 06/10/2009 | CN100499308C Method for selective leakage protection of electric feeding switch protector |
| 06/10/2009 | CN100499307C Method for correcting identificating paradrop excitation surge and paradrop fault in transformer protection |
| 06/10/2009 | CN100499306C Method for judging TA saturation |
| 06/09/2009 | US7545613 Method of controlling seatbelt retracting device with motor |
| 06/09/2009 | US7545611 Electric power circuit protecting apparatus using superconductor |
| 06/09/2009 | US7545610 Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit |
| 06/09/2009 | US7545609 Direct-current stabilized power supply device |
| 06/09/2009 | US7545163 Three phase motor diagnostics and phase voltage feedback utilizing a single A/D input |
| 06/09/2009 | US7545056 Saturation control of electric machine |
| 06/04/2009 | US20090141522 System and method for protection during inverter shutdown in distributed power installations |
| 06/04/2009 | US20090141415 Electrostatic discharge circuit |
| 06/04/2009 | US20090141411 Voltage regulator module control circuit |
| 06/04/2009 | US20090140688 Inverter Device |
| 06/03/2009 | EP2064564A2 Inductive quench for magnet protection |
| 06/03/2009 | CN201252399Y Main and branch route selection device with grounding single phases in high-voltage power network |
| 06/03/2009 | CN201252398Y Electric protective device for electro-magnetism forming machine |
| 06/03/2009 | CN201252397Y Storage battery reverse connection protection circuit |
| 06/03/2009 | CN201252396Y Overvoltage protective circuit for inputted high voltage of switch power supply |
| 06/03/2009 | CN201252395Y Spark suppressor |
| 06/03/2009 | CN101447667A High voltage transducer power unit input phase loss detector |
| 06/03/2009 | CN101447666A Power supply system and power overvoltage safety protection control method |
| 06/03/2009 | CN101447665A Motor drive circuit |
| 06/03/2009 | CN101447664A Transformer operation control apparatus and method for suppressing magnetizing inrush current |
| 06/03/2009 | CN100495898C A brushless motor controller having overload switching and adjusting function |
| 06/03/2009 | CN100495853C Circuit-breaker operation interface module of relay protector for power system |
| 06/03/2009 | CN100495852C Protective circuit for a secondary battery pack and method of operating the same |