| 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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| 08/14/2013 | CN203135406U Three-phase phase-sequence identification controller |
| 08/14/2013 | CN203135405U Transformer microcomputer relay protection system |
| 08/14/2013 | CN203135404U Digital transformer protection, monitoring and control apparatus |
| 08/14/2013 | CN203135403U Over-current protection circuit for loader |
| 08/14/2013 | CN203135388U Three-phase motor lacking-phase alarm device |
| 08/14/2013 | CN203120457U Two-pack lithium battery mower |
| 08/14/2013 | CN1821577B 压缩机诊断系统 Compressor diagnostic system |
| 08/14/2013 | CN103250317A Protective device for load circuit |
| 08/14/2013 | CN103249208A Short-circuit protection control circuit and relevant control method |
| 08/14/2013 | CN103248246A Off-line AC-DC (alternating current-direct current) control circuit and switching circuit comprising control circuit |
| 08/14/2013 | CN103248114A Standby power supply charge-discharge control circuit for far-end communication base station |
| 08/14/2013 | CN103248097A Photovoltaic charging system and method for all vanadium flow batteries |
| 08/14/2013 | CN103248027A Monitor for intelligent electricity using |
| 08/14/2013 | CN103248026A Line single-phase ground fault relay protection method capable of preventing distributed capacitive current and transitional resistance |
| 08/14/2013 | CN103248025A Lossy electric transmission line current traveling-wave differential protection method |
| 08/14/2013 | CN103248024A Line current differential protection method capable of preventing influences of both transitional resistance and load current |
| 08/14/2013 | CN103248023A Relay protection method for single-phase earth faults of electric transmission line |
| 08/14/2013 | CN103248022A Voltage protection method for interphase short circuit faults of electric transmission line |
| 08/14/2013 | CN103248021A Lossy electric transmission line voltage traveling wave protection method |
| 08/14/2013 | CN103248020A Voltage protection method for single-phase earth faults of electric transmission line |
| 08/14/2013 | CN103248019A Relay protection method for interphase short circuit faults of electric transmission line |
| 08/14/2013 | CN103248018A DC protection implementation method of high-voltage DC transmission project |
| 08/14/2013 | CN103248017A 100-percent fast protection system and method for internal fault of switch cabinet |
| 08/14/2013 | CN103248016A Short-wave ultraviolet light bus protection device |
| 08/14/2013 | CN103248015A Rapid short-circuit protection system for direct current bus of energy storage converter |
| 08/14/2013 | CN103248014A Battery protecting circuit, battery protecting device, and battery pack |
| 08/14/2013 | CN103248013A Current transformer current-limiting protection system control device and current-limiting control method thereof |
| 08/14/2013 | CN103248012A Thermal overload protection method and device with complete thermal memory function for AC motor |
| 08/14/2013 | CN103248011A Impedance voltage source equivalent circuit design method for doubly-fed generator under machine-side symmetric fault |
| 08/14/2013 | CN103248010A Method for suppressing phenomena of ferromagnetic resonance and fuse melting of voltage transformer |
| 08/14/2013 | CN103248009A Longitudinal differential protection current phase compensation method for YNd5 transformer |
| 08/14/2013 | CN103248008A Longitudinal differential protection current phase compensation method for YNd7 transformer |
| 08/14/2013 | CN103248007A PID (Potential Induced Degradation)-resistant circuit and monitoring device thereof |
| 08/14/2013 | CN103248006A High speed switch automatic check protecting device for direct current electric locomotives |
| 08/14/2013 | CN103248005A Method for same-tower double-lines AC electrical capacity sampling synchronization |
| 08/14/2013 | CN103248004A Strong electricity overlapping protection device for communication power |
| 08/14/2013 | CN103248003A Power input protection device and power input protection method for outdoor comprehensive cabinet |
| 08/14/2013 | CN103245865A Random sequence-dependent photovoltaic island state detection method and device |
| 08/14/2013 | CN103240659A Angle grinder with power-off protection and circuit of angle grinder |
| 08/14/2013 | CN102332828B Simple micro fixed positive output high voltage power circuit |
| 08/14/2013 | CN102177045B Connection device |
| 08/13/2013 | US8508965 Inverter and method for operating the inverter |
| 08/13/2013 | US8508962 Power conversion apparatus |
| 08/13/2013 | US8508957 Power conversion device for converting DC power to AC power |
| 08/13/2013 | US8508900 Overvoltage protection circuit and electronic device comprising the same |
| 08/13/2013 | US8508896 DC feeder protection system |
| 08/13/2013 | US8508300 Circuit for thermal protection in audio power amplifier and method thereof |
| 08/13/2013 | US8508168 Linear actuator |
| 08/13/2013 | CA2729357C Movable barrier operator auto-force setting method and apparatus |
| 08/13/2013 | CA2613314C Power storage apparatus |
| 08/08/2013 | WO2013115915A1 Control and protection of a dc power grid |
| 08/08/2013 | WO2013115814A1 Offline power supply |
| 08/08/2013 | WO2013113627A1 Fault detection in subsea power cables |
| 08/08/2013 | WO2013093814A3 Overload detection device |
| 08/08/2013 | WO2013000630A3 Electrical machine comprising a safety circuit |
| 08/08/2013 | WO2012160092A3 Method and device for operating a brushless motor |
| 08/08/2013 | DE102013201811A1 Transistor mit Übertemperaturschutz Transistor with over-temperature protection |
| 08/08/2013 | DE102012221536A1 Motorsteuerungsvorrichtung, auf eine Motorsteuerungsvorrichtung angewendetes Stromsteuerungsverfahren und eine Motorsteuervorrichtung verwendende elektrische Servolenkungsvorrichtung Motor control device may be applied to a motor control device power control method and a motor control apparatus using electric power steering apparatus |
| 08/08/2013 | DE102012201827A1 Verfahren und Vorrichtung zur Entladung eines Zwischenkreises eines Spannungsnetzes Method and device for discharge of an intermediate circuit of a voltage network |
| 08/08/2013 | DE102012201769A1 Device for rescuing person from passenger car, has measuring unit for measuring parameter of electromagnetic field of vehicle, and control unit for deactivating rescuing tool when measured parameter lies in impermissible area |
| 08/08/2013 | DE102012100866A1 Verfahren zur Ausbildung einer Transportsicherung sowie akkubetriebenes Elektrogerät A method of forming a transport lock and battery-powered electric appliance |
| 08/07/2013 | EP2624442A1 Electric winch elevator device drive circuit fault inspection device |
| 08/07/2013 | EP2624396A2 Arc control in a fuse protected system |
| 08/07/2013 | EP2622732A2 Vibration energy harvester for converting mechanical vibrational energy into electrical energy |
| 08/07/2013 | EP2622699A1 Integrated photovoltaic source circuit combiner and protection subsystem |
| 08/07/2013 | EP2622698A2 Systems and methods for protecting three-phase motors |
| 08/07/2013 | CN203119782U Electromagnetic transmitter |
| 08/07/2013 | CN203119781U Safety protection device with under-voltage protection function for direct-constant-current high-voltage power supply |
| 08/07/2013 | CN203119586U Portable mobile wireless charging power supply |
| 08/07/2013 | CN203119457U Combination circuit breaker |
| 08/07/2013 | CN203119456U Adaptive feeder protection device based on wavelet decomposition |
| 08/07/2013 | CN203119455U Insulated gate bipolar transistor (IGBT) overcurrent locking protecting circuit |
| 08/07/2013 | CN203119454U Novel highly-intelligent balancing protection board |
| 08/07/2013 | CN203119453U Alternating-current transducer |
| 08/07/2013 | CN203119452U A DC power output protection circuit |
| 08/07/2013 | CN203119451U Novel motor open-phase protecting device |
| 08/07/2013 | CN203119450U Motor remote-monitoring device |
| 08/07/2013 | CN203119449U Electronic power protection control system |
| 08/07/2013 | CN103238197A Magnetizing inrush current suppression device |
| 08/07/2013 | CN103236871A Novel receiving and transmitting system for control of wireless remote control vehicle |
| 08/07/2013 | CN103236810A Intelligent motor control and protection system |
| 08/07/2013 | CN103236794A DC-DC sectionalizer |
| 08/07/2013 | CN103236698A Filter |
| 08/07/2013 | CN103236687A Short-time controllable reactor compensation method |
| 08/07/2013 | CN103236683A Grid fault accident management method |
| 08/07/2013 | CN103236682A Simple and quick relay protection action simulation method for power system |
| 08/07/2013 | CN103236681A Rotor one-point grounding protection device |
| 08/07/2013 | CN103235199A Out-of-step separation judgment method based on frequency difference of buses at two ends of branch |
| 08/07/2013 | CN102412613B Intrinsically safe battery with self recovery function |
| 08/07/2013 | CN101867199B Device and method for storing electricity for fiber access device |
| 08/06/2013 | US8503263 Memory module and power supply system |
| 08/06/2013 | US8503202 Modular voltage source converter |
| 08/06/2013 | US8503201 Transient clamping circuitry for voltage converter |
| 08/06/2013 | US8503195 System and method for zero volt switching of half bridge converters during startup and short circuit conditions |
| 08/06/2013 | US8503142 Method for selectively triggering circuit breakers in the event of a short circuit |
| 08/06/2013 | US8503137 Arc fault protection circuit and method |
| 08/06/2013 | US8503136 Protecting circuit and control circuit for reducing leakage current |
| 08/06/2013 | US8502513 Voltage regulator |
| 08/06/2013 | CA2602930C Adaptor, assembly of battery pack and adaptor, and electric tool with the same |
| 08/01/2013 | WO2013112609A1 Switch wear leveling |