| 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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| 04/21/2010 | CN201440604U Neutral point grounding device loading resistor of generator |
| 04/21/2010 | CN201440603U 负荷开关保护装置 Load switch protection device |
| 04/21/2010 | CN201440569U Multi-voltage power supply whole-set device |
| 04/21/2010 | CN201440376U Air switch capable of preventing reverse charge of secondary side of voltage transformer |
| 04/21/2010 | CN101697468A Low-voltage BLDC motor drive integrated circuit |
| 04/21/2010 | CN101697411A Method for protecting transient state energy of DC power transmission line |
| 04/21/2010 | CN101697410A Short-circuit protection circuit adopted in battery charger circuit |
| 04/21/2010 | CN101291054B Diagnosis and protection method for residue current of ground fault in electrical power system |
| 04/21/2010 | CN101279597B Single power supply control system for automobile |
| 04/21/2010 | CN101267107B Method for restraining power grid single-phase short circuit current |
| 04/21/2010 | CN101188355B Method for converting the end electric screen current of mutual inductor into line voltage and insulation line monitoring device |
| 04/21/2010 | CN101055295B Fan system and its power source monitoring device |
| 04/21/2010 | CN101030738B 电动机控制装置 A motor control unit |
| 04/20/2010 | US7701738 Supply unit for a driver circuit and method for operating same |
| 04/20/2010 | US7701686 Power supply controller |
| 04/20/2010 | US7701684 Power supply apparatus and power supply system including the same addressing abnormality |
| 04/20/2010 | US7701683 Apparatus, system, and method for sharing output contacts across multiple relays |
| 04/20/2010 | US7701678 Electric motor control |
| 04/20/2010 | US7701677 Inductive quench for magnet protection |
| 04/20/2010 | US7701169 Lithium secondary battery having internal protection circuit |
| 04/15/2010 | WO2010041319A1 Connection device |
| 04/15/2010 | WO2010040613A1 Protective circuit for an intermediate circuit of an inverter, particularly a solar inverter, against overvoltages |
| 04/15/2010 | US20100091525 Power converters |
| 04/15/2010 | US20100091524 Electronic Power Protection Circuit And Applications Thereof |
| 04/15/2010 | US20100091417 Overvoltage protective device for wind energy installations |
| 04/15/2010 | US20100090527 Solar Powered Ventilation System For Vehicle And Method Of Operating The Same |
| 04/15/2010 | US20100089670 Inverter circuit for vehicles |
| 04/15/2010 | DE10201433B4 Schaltungsanordnung, Schaltmodul mit der Schaltungsanordnung und Verwendung des Schaltmoduls Circuit arrangement, with a switching module of the circuit arrangement and use of the switching module |
| 04/15/2010 | DE102008018619B4 Einschaltstrombegrenzung bei Transformatoren Inrush current in transformers |
| 04/14/2010 | EP2175552A1 Method for operating a drive device and drive device for implementing the method |
| 04/14/2010 | EP2175543A1 Independent power supply system |
| 04/14/2010 | EP2175538A2 Improved line current differential protective relaying method and relay for in-zone tapped transformers |
| 04/14/2010 | EP2175330A1 Method and device for operating crush guard function in an electric sealing machine |
| 04/14/2010 | EP2174396A1 Method and protection device for a power network accounting for route switching in a telecommunication network |
| 04/14/2010 | EP2174395A1 Mems based motor starter with motor failure detection |
| 04/14/2010 | CN201438688U Generator demagnetization circuit of electronic jumper based on self-excited oscillation |
| 04/14/2010 | CN201438675U Single power supply rectification and transmission module and electricity transducer |
| 04/14/2010 | CN201438637U Failure capture terminal used for electrical power distribution automation system |
| 04/14/2010 | CN201438636U Simple bus differential protection device for digital transformer station |
| 04/14/2010 | CN201438635U Circuit preventing battery from being charged in reverse direction |
| 04/14/2010 | CN1996692B Protection method of the dual-power field and its circuit |
| 04/14/2010 | CN101694984A Asynchronous motor energy saver |
| 04/14/2010 | CN101694937A Bus protection method based on steady-state quantity numerical directions |
| 04/14/2010 | CN101694936A Bus protection method based on variation numerical directions |
| 04/14/2010 | CN101330205B Method for controlling section power based on tidal current pursuit and train rescheduling |
| 04/14/2010 | CN101295872B System and method for providing overcurrent and overpower protection for power converter |
| 04/14/2010 | CN101267155B System and method for providing power system with stable control |
| 04/14/2010 | CN101242154B A built-in permanent magnetic brushless DC motor control system for no position sensor |
| 04/14/2010 | CN101212182B Power circuit |
| 04/13/2010 | US7697309 Overpower-protection circuit and power supply apparatus having the same |
| 04/13/2010 | US7697254 Power supply protecting circuit |
| 04/13/2010 | US7696707 Semiconductor integrated circuit device |
| 04/13/2010 | US7696647 Coupling node |
| 04/13/2010 | CA2417696C Reception of digitally coded protection signals in a remote tripping device |
| 04/13/2010 | CA2323682C Pulsed cathodic protection system and method |
| 04/08/2010 | WO2010040106A2 Electronic current interrupt device for battery |
| 04/08/2010 | WO2010039930A1 Airborne power system disconnect system and method |
| 04/08/2010 | WO2010038339A1 Normally-off protection element and control unit provided with same |
| 04/08/2010 | WO2010037711A1 Method and protective device for producing an error signal indicating a winding error in a transformer |
| 04/08/2010 | US20100085785 Method For Limiting Damage To A Converter Having Power Semiconductors In The Case Of A Short Circuit In The DC Voltage Intermediate Circuit |
| 04/08/2010 | US20100085673 Over-voltage and under-voltage protection system |
| 04/08/2010 | US20100085668 Phase-control switching apparatus and switching control method for phase-control switching apparatus |
| 04/08/2010 | US20100085667 Circuit arrangement comprising at least two capacitors connected in series |
| 04/08/2010 | US20100083579 Motor control circuit and power window device |
| 04/08/2010 | DE19655286B4 Verfahren zur automatischen Korrektur eines anormalen Betriebszustandes in einem Servosteuersystem Method for the automatic correction of an abnormal operating condition in a servo control system |
| 04/08/2010 | DE10261454B4 Motorsteuerung mit sicherem Halt Motor control with safe stop |
| 04/08/2010 | DE102008047931A1 Vorrichtung zur Absicherung eines mehrphasig betriebenen elektrischen Gerätes, mechanischer Trennschalter und Betriebsverfahren A device for securing a multi-phase powered electrical equipment, mechanical circuit breaker and operating procedures |
| 04/08/2010 | DE102007051004B4 Verfahren zur Vorrichtung zur Detektion und Lokalisierung von Fehlern in einem Umrichter und/oder einer elektrischen Maschine eines elektrischen Antriebs A process for the apparatus for the detection and localization of faults in a converter and / or an electric machine of an electric drive |
| 04/08/2010 | DE10019123B4 Einrichtung zur Drehmomentbegrenzung und Überlastabschaltung von Antrieben mit einem Einphasenkurzschlußläufermotor, insbesondere für Rauch- und Wärmeabzüge Means for limiting torque and overload shutdown of drives with a Einphasenkurzschlußläufermotor, especially for smoke and heat extraction |
| 04/07/2010 | EP2171821A1 Protective device and method for operating a protective device |
| 04/07/2010 | EP2171488A1 Method for locating a ground fault according to the distance protection principle and electric distance protection device |
| 04/07/2010 | EP2171196A1 Method and device for controlling power car window lift |
| 04/07/2010 | EP2171153A1 A washer/dryer |
| 04/07/2010 | CN201436757U 20KV outdoor combination overvoltage protector |
| 04/07/2010 | CN201436756U Motor protector having function of high accuracy ammeter |
| 04/07/2010 | CN101690922A Control device for small-sized electric spraying machine |
| 04/07/2010 | CN101127484B A digital high voltage DC power |
| 04/07/2010 | CN101022216B Small earthing current electric network single phase fault wire selecting method and apparatus |
| 04/06/2010 | US7693610 Remotely controllable wireless energy control unit |
| 04/06/2010 | US7692938 Multiphase power converters and multiphase power converting methods |
| 04/06/2010 | US7692413 Power control system and method |
| 04/06/2010 | US7692399 DC motor control |
| 04/01/2010 | WO2010036029A2 Apparatus for protecting against the asynchronization of a generator |
| 04/01/2010 | WO2010035778A1 Transformer inrush current suppression device |
| 04/01/2010 | US20100080022 Method and apparatus for pre-charging power converters and diagnosing pre-charge faults |
| 04/01/2010 | US20100079118 Vehicle power generating device and an alternator control method |
| 04/01/2010 | US20100079095 Motor circuit and electric power steering apparatus |
| 04/01/2010 | DE102008042390A1 Error-state identifying method for induction machine, involves comparing measured voltage between reference and representative potentials with expected voltage between reference and representative potentials using comparator |
| 03/31/2010 | EP2169798A2 Self Powered Electronic Overload Method and System |
| 03/31/2010 | EP2169797A2 Method and measuring device for measuring an output current of a metered half bridge circuit |
| 03/31/2010 | EP2168200A1 Power storage unitand vehicle having power storage unit |
| 03/31/2010 | CN201435705Y Combined type low power-consumption starting thermal protector |
| 03/31/2010 | CN201435703Y Electronic starter with low power consumption |
| 03/31/2010 | CN201435700Y Flexible starting motor |
| 03/31/2010 | CN201435614Y Solar-energy mobile power source |
| 03/31/2010 | CN201435611Y Automatic low-voltage reactive power compensation capacitor box |
| 03/31/2010 | CN201435600Y Urban railway traffic DC traction power supply system microcomputer protection and measurement and control unit |
| 03/31/2010 | CN201435599Y Power capacitance protector |
| 03/31/2010 | CN201435598Y Short-circuit protective circuit of switch power supply PWM controller |
| 03/31/2010 | CN201435597Y Protecting device of pulse transformer |