| 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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| 08/22/2007 | CN1333513C Switching power source circuit |
| 08/22/2007 | CN1333503C Protection and fault positioning method for generator stator winding single-phase earthing |
| 08/22/2007 | CN1333322C Protection system |
| 08/22/2007 | CN101023575A Control and power module for a rotating electrical machine |
| 08/22/2007 | CN101023366A A method of monitoring line faults in a medium voltage network |
| 08/22/2007 | CN101022216A Small earthing current electric network single phase fault wire selecting method and apparatus |
| 08/22/2007 | CN101022215A Phase switch device for three-phase motor |
| 08/21/2007 | US7259948 Power supply device for driving |
| 08/21/2007 | US7259470 Power control device for vehicle |
| 08/16/2007 | WO2007092151A2 Coordinated fault protection system |
| 08/16/2007 | US20070188959 Electronic element adapted to an electric circuit arrangement |
| 08/16/2007 | US20070188957 Energy transfer circuit having an electromagnetic induction device for utilizing energy stored by a snubber |
| 08/16/2007 | US20070188155 Semiconductor integrated circuit device and switching power source device using the same |
| 08/16/2007 | US20070188152 Electric generation control apparatus for vehicle alternator |
| 08/16/2007 | US20070188151 Power generation control device for controlling power generation system of movable body and power generation control method |
| 08/16/2007 | US20070187955 Generator with utility fault ride-through capability |
| 08/16/2007 | DE19654045B4 Verfahren zum Vorhersagen der verbleibenden Kapazität einer Batterieeinheit, Batterieeinheit und Vorrichtung zum Vorhersagen der verbleibenden Kapazität einer Batterieeinheit A method for predicting the remaining capacity of a battery pack, battery pack and apparatus for predicting the remaining capacity of a battery unit |
| 08/16/2007 | DE102005052800A1 Treiberschaltungsanordnung zur Ansteuerung von leistungselektronischen Schaltungen Driver circuitry for control of power electronic circuits |
| 08/16/2007 | CA2641289A1 Coordinated fault protection system |
| 08/15/2007 | EP1819022A1 Establishing switchyard zones of a high or medium voltage switchyard |
| 08/15/2007 | EP1819021A2 Method and device for monitoring polyphase lines and for detecting phase losses based on the phase angle between phase-to-phase voltages |
| 08/15/2007 | CN2935623Y 马达控制器 Motor controller |
| 08/15/2007 | CN2935619Y Precharging circuit protection device of intelligent middle, high-voltage large power frequency converter |
| 08/15/2007 | CN2935582Y DC converter protection circuit of electric cooker |
| 08/15/2007 | CN101018036A Dynamotor brushless excitation adjuster with the protection device |
| 08/15/2007 | CN101017985A Self-switching connection charging relay |
| 08/15/2007 | CN101017974A Single phase grounding failure positioning method and device of neutral point non direct grounding power grid |
| 08/15/2007 | CN101017973A Peak over-current protection of switch voltage stabilization power adjusting pipe |
| 08/14/2007 | US7256569 Apparatus and method for continuous conduction mode boost voltage power factor correction with an average current control mode |
| 08/14/2007 | US7256514 Device and method for operating an electrical machine for a motor vehicle |
| 08/09/2007 | WO2007088932A1 Surge absorbing circuit |
| 08/09/2007 | WO2007088147A1 Protection method for a reversible electric motor |
| 08/09/2007 | US20070183102 Protective device for a consumber branch |
| 08/09/2007 | US20070182425 Safety mechanism for holiday detector |
| 08/09/2007 | US20070182382 Alternator |
| 08/09/2007 | US20070182381 Output voltage regulator for engine-driven generator |
| 08/09/2007 | US20070182351 Power lift gate for automotive vehicle |
| 08/09/2007 | DE102006003904A1 Verfahren zur Umwandlung einer Gleichspannung in eine dreiphasige Wechselspannung A process for converting a DC voltage into a three-phase alternating voltage |
| 08/08/2007 | EP1816733A2 Method in frequency converter, and frequency converter |
| 08/08/2007 | EP1292753B1 Method for determining the rotational position of the drive shaft of a direct current motor |
| 08/08/2007 | CN2932794Y A switching power supply capable of protection against power failure of tax cashing machine |
| 08/08/2007 | CN2932793Y Superconductor quench fault current limiter fault detecting device |
| 08/08/2007 | CN2932792Y Programmable speed measurement brake screen |
| 08/08/2007 | CN2932791Y Programmable temperature measurement brake screen |
| 08/08/2007 | CN1331290C Zero-sequence voltage direction polarizing element for protecting relay |
| 08/08/2007 | CN1331289C Universal overcurrent protector for high-stability electrical appliances |
| 08/08/2007 | CN1331287C Method and equipment for instaneous fault detecting circuit |
| 08/08/2007 | CN101015114A Controller for permanent magnet alternator |
| 08/08/2007 | CN101015107A Electrical power switching with efficient switch protection |
| 08/08/2007 | CN101013812A Method for configuring PMU taking regard of high risk cascading failure path |
| 08/08/2007 | CN101013811A Method and apparatus of single-phase fault line selection of duplicate supply looped network |
| 08/08/2007 | CN101013810A Short-circuit and overcurrent detection circuit |
| 08/08/2007 | CN101013809A High-speed sampling interruptive angle locking differential protection numerical method |
| 08/08/2007 | CN101013807A 电子面板 Electronic panel |
| 08/07/2007 | US7254001 Circuit protection system |
| 08/07/2007 | US7253998 Starting and protection device, in particular for refrigerator motors, fitted with a shaped casing so as to keep the protector separate from the other components |
| 08/07/2007 | US7253997 Method and apparatus providing a multi-function terminal for a power supply controller |
| 08/07/2007 | US7253634 Generator protection methods and systems self-tuning to a plurality of characteristics of a machine |
| 08/02/2007 | WO2007085937A2 Wireless system for one or more electrical switching apparatus |
| 08/02/2007 | WO2007085727A2 Device for automatically earthing the neutral of an electrical appliance |
| 08/02/2007 | WO2007085566A1 Process for switching off an electrical machine in the event of a malfunction |
| 08/02/2007 | US20070179719 Circuit arrangement for the overload protection of a controllable switching event |
| 08/02/2007 | US20070177324 Overload release |
| 08/02/2007 | US20070177315 Combination current sensor and relay |
| 08/02/2007 | US20070177314 Method, apparatus and computer program product for injection current |
| 08/02/2007 | US20070177313 Semiconductor integrated circuit device |
| 08/02/2007 | US20070177312 High voltage generation systems and methods |
| 08/02/2007 | US20070177311 Apparatus and method for transferring an analog signal between isolated systems |
| 08/02/2007 | US20070176579 Active rectification of alternator output without using a position sensor |
| 08/02/2007 | DE102006004800A1 Schutzeinrichtung mit einem Leistungsschalter, insbesondere einem Niederspannungs-Leistungsschalter Protection means having a power switch, in particular a low-voltage circuit breakers |
| 08/02/2007 | DE10114908B4 Dimmer Dimmer |
| 08/01/2007 | EP1814214A1 Discharge lamp lighting device, and lighting equipment and lighting system using the device |
| 08/01/2007 | CN2930091Y High reliability DC brushless motor controller |
| 08/01/2007 | CN2930090Y High precision Dc brushless motor controller |
| 08/01/2007 | CN2930053Y General intelligent power saving device |
| 08/01/2007 | CN2930048Y High voltage shock protector and video device using it |
| 08/01/2007 | CN2930047Y Travelling lift motor start protector |
| 08/01/2007 | CN2930046Y Intelligent motor protector for vacuum magnetic starter |
| 08/01/2007 | CN2930045Y Heat protector of motor |
| 08/01/2007 | CN1330068C Secondary cell charging-discharging automatic cut-off device |
| 08/01/2007 | CN101010847A Method and apparatus for preventing overheating in an electronically commutated motor assembly |
| 08/01/2007 | CN101009529A Multiplexing and de-multiplexing method and device for low-speed optical port-based 2M transfer line |
| 08/01/2007 | CN101009428A Overpower-protection circuit and power supply apparatus having the same |
| 08/01/2007 | CN101008932A Mobile terminal and usb device |
| 07/31/2007 | US7251113 Active transient voltage compensator for improving converter fast transient response |
| 07/31/2007 | US7251111 Method of controlling seatbelt retracting device with motor |
| 07/31/2007 | US7250726 Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps |
| 07/26/2007 | WO2007084140A1 Electronic method for starting a compressor |
| 07/26/2007 | WO2007084040A1 A transmission system |
| 07/26/2007 | WO2007084035A1 A converter station |
| 07/26/2007 | WO2007084034A1 A converter station |
| 07/26/2007 | WO2007082631A1 Protective device having a circuit breaker, in particular a low-voltage circuit breaker |
| 07/26/2007 | US20070172360 Method for diagnosing operating states of a synchronous pump, and device for carrying out said method |
| 07/26/2007 | US20070171688 Overpower-protection circuit and power supply apparatus having the same |
| 07/26/2007 | US20070171585 Method for suppressing common mode noise |
| 07/26/2007 | US20070171584 Motor drive unit |
| 07/26/2007 | US20070171583 Electromagnetic contractor for controlling an electric starter |
| 07/26/2007 | US20070171582 Power supply having a transient load |
| 07/26/2007 | US20070171055 Isolated measurement circuit for sensor resistance |
| 07/26/2007 | US20070170896 Energy storage system for a motor vehicle |