| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 11/07/2013 | US20130293989 Apparatus and method for arc fault detection |
| 11/06/2013 | EP2660940A1 Earthed connection detection |
| 11/06/2013 | CN203278368U Charger |
| 11/06/2013 | CN203278357U Charging port circuit with overvoltage protection function |
| 11/06/2013 | CN203278233U Interlock wiring circuit with double-power supply wire inlet switch and bus tie switch |
| 11/06/2013 | CN203278222U Charger with surge-resistant function and reversal connection alarm function |
| 11/06/2013 | CN203278214U Novel multifunctional electric power electronic current-limiting system |
| 11/06/2013 | CN203278208U Electronic overload relay capable of improving phase loss protection reliability |
| 11/06/2013 | CN203278194U Safety switch for limiting temperature and anti-electric shock alarming |
| 11/06/2013 | CN203278191U Leakage and power-off protection device of electrical equipment |
| 11/06/2013 | CN203278190U Leakage protection device of ungrounded high voltage supply system of electric car |
| 11/06/2013 | CN203278189U Drive circuit for shunt releasing device of intelligent electric leakage breaker |
| 11/06/2013 | CN203278188U Zero line breaking protection device |
| 11/06/2013 | CN203278187U Broken wire protection device |
| 11/06/2013 | CN203278186U Overvoltage protection inhibition loop and electronic equipment |
| 11/06/2013 | CN203278185U Intelligent motor electricity-saving device |
| 11/06/2013 | CN203278184U Wireless access point protection device |
| 11/06/2013 | CN203278183U 自动过流保护充电器 Automatic over-current protection Chargers |
| 11/06/2013 | CN203278182U Short circuit protection circuit possessing automatic recovery function |
| 11/06/2013 | CN203278181U Current protection circuit and air-conditioning system with same |
| 11/06/2013 | CN203278180U Simple electronic backup protective device of alternate current breaker |
| 11/06/2013 | CN203278179U Cleaning machine overload protection touching device |
| 11/06/2013 | CN203278178U Explosion-proof commodity inspection box for compressor |
| 11/06/2013 | CN203278177U Breaker electronic release with rotary dial input expansion device |
| 11/06/2013 | CN203278176U Signal output protection device |
| 11/06/2013 | CN203276459U Electrical fire monitoring detector having overvoltage under-voltage detecting and protective functions |
| 11/06/2013 | CN203276446U 防雷保护型电话报警器 Lightning protection-type telephone alarm |
| 11/06/2013 | CN203276440U Early warning device capable of protecting lock hole |
| 11/06/2013 | CN203275560U AC charging connection system for electromobile |
| 11/06/2013 | CN203275557U Broken wire protection device for PE wire |
| 11/06/2013 | CN203274807U Voltage-current-temperature monitoring circuit for medical use |
| 11/06/2013 | CN103384951A Leakage detection breaker |
| 11/06/2013 | CN103384082A Long-distance automatic reclosure monitoring system and method for operating same |
| 11/06/2013 | CN103384056A 12-V power supply protection circuit for electric driving controller of electromobile |
| 11/06/2013 | CN103384055A Short circuit protection method using common luminous body for replacing relay |
| 11/06/2013 | CN103384054A Circuit breaker for protecting an electrical system |
| 11/06/2013 | CN103384053A Electrical device protective circuit |
| 11/06/2013 | CN102709869B Short circuit protecting device |
| 11/06/2013 | CN102368604B Overcurrent protection circuit of electric drive controller for electric vehicle |
| 11/06/2013 | CN102340246B Thick-film magnetic isolation direct current solid-state power controller |
| 11/06/2013 | CN102237667B Overcurrent detecting circuit of USB port |
| 11/06/2013 | CN102177440B Fault location in electrical power supply grids using the distance protection principle |
| 11/06/2013 | CN102122810B Current diagnosing device and method for monitoring state of current transformer |
| 11/06/2013 | CN102089948B Method for rearranging sound conductors in parallel lines in power transmission |
| 11/06/2013 | CN102057573B Overcurrent protective device for load circuit |
| 11/06/2013 | CN102047518B Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 11/06/2013 | CN102014564B Practical and efficient LED drive circuit |
| 11/06/2013 | CN101976825B Short circuit protection circuit for audio power amplifier |
| 11/06/2013 | CN101959348B LED stepless dimming drive circuit and LED lamp |
| 11/06/2013 | CN101916996B Power supply apparatus, power supply apparatus control method |
| 11/06/2013 | CN101599632B Monitoring and control circuit for adjusting current |
| 11/06/2013 | CN101442201B Tripping connection device, module for protection against voltage surges and device for protection against voltage surges |
| 11/05/2013 | US8576533 Discharge gap device and power supply device |
| 11/05/2013 | US8576531 Multiphase electric circuit for shutting down a current conducted over respectively one AC power controller |
| 11/05/2013 | US8576530 Adaptive power management system for aircraft galleys |
| 11/05/2013 | US8576529 Power stage control circuit |
| 11/05/2013 | US8576525 Serial surge suppression and overload protection optimization device |
| 11/05/2013 | US8576523 Charge pump electrostatic discharge protection |
| 11/05/2013 | US8576520 Method for detecting arcs in photovoltaic systems and such a photovoltaic system |
| 11/01/2013 | CA2813933A1 Apparatus and method for arc fault detection |
| 10/31/2013 | WO2013162816A1 Techniques for detecting removal of a connector |
| 10/31/2013 | WO2013161364A1 Protection device for electricity supply circuit |
| 10/31/2013 | WO2013161363A1 Protection device for electricity supply circuit |
| 10/31/2013 | WO2013109169A3 Mobile device and method for selective management of a non-priority load |
| 10/31/2013 | US20130286521 Fault detection, isolation, location and reconnection systems and methods |
| 10/31/2013 | US20130286515 Fault Protection for Aircraft Power Systems |
| 10/31/2013 | US20130286514 Power conversion apparatus |
| 10/30/2013 | EP2658065A1 Method for improving power distribution protection |
| 10/30/2013 | EP2658063A2 Subtransient current suppression |
| 10/30/2013 | EP2658062A2 Fault protection for aircraft power systems |
| 10/30/2013 | CN203261025U Interphase overvoltage protector for vacuum circuit breaker |
| 10/30/2013 | CN203261016U Traction power supply system for thyristor rectification |
| 10/30/2013 | CN203261004U All-around anti-failure safe leakage protector |
| 10/30/2013 | CN203261003U Ground fault protection device |
| 10/30/2013 | CN203261002U PFC under-voltage protection circuit |
| 10/30/2013 | CN203261001U Electromagnetic type under-voltage tripping device |
| 10/30/2013 | CN203261000U Two-in-one lightning protection device for video monitoring system |
| 10/30/2013 | CN203260999U Load non-linear increasing time-delay protection circuit |
| 10/30/2013 | CN203260998U Charging protection circuit of USB interface used for vehicle |
| 10/30/2013 | CN203260997U Three-phase safety electricity-using appliance |
| 10/30/2013 | CN203260996U Marine multifunctional protection apparatus |
| 10/30/2013 | CN203260995U Single-phase safety electricity-using appliance |
| 10/30/2013 | CN203260994U Protection circuit for preventing power-on restart after powering off |
| 10/30/2013 | CN203260843U Zero-line disconnection protector of voltage-reduction universal self-inspection socket of capacitor |
| 10/30/2013 | CN203259616U Device for monitoring and protecting series reactor |
| 10/30/2013 | CN103380476A Residual-current-operated circuit breaker |
| 10/30/2013 | CN103380474A Human-machine interface for a self-supplied relay |
| 10/30/2013 | CN103379698A LED constant current drive circuit with short-circuit protection |
| 10/30/2013 | CN103378720A Compressor capacity charge control device and method and compressor |
| 10/30/2013 | CN103378585A Fault protection system for a power system of dynamically positioned vessel |
| 10/30/2013 | CN103378583A Feeder automation technical scheme based on intelligent rapid vacuum circuit breaker |
| 10/30/2013 | CN103378581A AFCI comprehensive protecting device |
| 10/30/2013 | CN103378580A Power supply grounding protection circuit |
| 10/30/2013 | CN103378579A Method, device, and system for monitoring current provided to load |
| 10/30/2013 | CN103378578A 风扇保护电路 Fans protection circuit |
| 10/30/2013 | CN103378577A Power supply control device of household appliance and air conditioner |
| 10/30/2013 | CN103377861A Line switching control assembly and circuit breaker for preventing overload current in line |
| 10/30/2013 | CN102098826B Light emitting diode light source driving circuit |
| 10/30/2013 | CN101594064B Switch power controller |
| 10/30/2013 | CN101447666B Power supply system and power overvoltage safety protection control method |