| 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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| 07/24/2013 | CN103219699A High-voltage mixing type direct-current breaker |
| 07/24/2013 | CN103219698A Mixing type direct-current breaker |
| 07/24/2013 | CN103219697A Operation method of integrated breaker module and solar power supply system |
| 07/24/2013 | CN103219696A Overcurrent protection method and device |
| 07/24/2013 | CN103219695A Overcurrent protection method and overcurrent protection integrated circuit chip package |
| 07/24/2013 | CN103219694A Over-current protecting circuit |
| 07/24/2013 | CN103219607A Fireproof and overload-proof plug-board |
| 07/24/2013 | CN102354867B Electric leakage protection plug |
| 07/24/2013 | CN102088206B Method for intelligent measurement and control apparatus of high-pressure isolation switch operating mechanism |
| 07/24/2013 | CN102029914B Electric automobile high-voltage safety device and control method |
| 07/24/2013 | CN101964511B Overcurrent protection circuit and television |
| 07/24/2013 | CN101828119B Method for fault location on series compensated power transmission lines with two-end unsynchronized measurement |
| 07/24/2013 | CN101645566B Leakage protection socket |
| 07/23/2013 | US8494684 Substation automatic control system |
| 07/23/2013 | US8493706 Semiconductor module and data memory module having the same |
| 07/23/2013 | US8493704 Circuit protection device and method of manufacturing the same |
| 07/23/2013 | US8493701 Overvoltage protection circuit |
| 07/23/2013 | US8493699 Low viscosity electrostatic discharge (ESD) dissipating adhesive |
| 07/23/2013 | US8493697 Arrangement for ground-fault detection in an AC circuit and power supply arrangement with ground-fault detection |
| 07/23/2013 | US8493680 IC protection circuit, method for protecting IC, and apparatuses having the IC protection circuit |
| 07/23/2013 | CA2785215A1 Circuit breaker remote tripping |
| 07/18/2013 | WO2013106150A1 System, apparatus, and method for reducing inrush current in a three-phase transformer |
| 07/18/2013 | WO2013104764A1 Current measuring device and method |
| 07/18/2013 | WO2013019097A3 Voltage surge protector having a pressure release mechanism |
| 07/18/2013 | US20130182362 Protecting Unit Having a Function of Thermal Energy Guiding |
| 07/18/2013 | US20130182361 Electrical safety devices and systems for use with electrical wiring, and methods for using same |
| 07/18/2013 | US20130182353 Voltage regulator over-voltage detection system, method and apparatus |
| 07/18/2013 | DE102012221212A1 Circuit device has electromagnetic switching elements that are connected in parallel with voltage-dependent components whose voltage values are set to different |
| 07/18/2013 | DE102012219457A1 Circuit breaker i.e. residual current circuit breaker, for use in installation system for detecting fault current during charging electric car, has control device actuating switch to open when fault current is detected with other switches |
| 07/17/2013 | EP2614566A1 Method and system for disconnecting a generator from a power system |
| 07/17/2013 | CN203071568U IGBT (Insulated Gate Bipolar Translator) driving?and?protection?circuit |
| 07/17/2013 | CN203071564U Access control device of storage battery |
| 07/17/2013 | CN203071558U Multi-function distribution transformation overload intelligent protective device |
| 07/17/2013 | CN203071552U Humidity detection security protection system of low-voltage intelligent power distribution cabinet |
| 07/17/2013 | CN203071551U Low-cost DC stabilized power supply for mines |
| 07/17/2013 | CN203071550U Machine-side circuit of converter |
| 07/17/2013 | CN203071549U Machine-side circuit of converter |
| 07/17/2013 | CN103208865A Overvoltage protecting device for resonance wireless power transmitting apparatus and controlling method thereof |
| 07/17/2013 | CN103208792A Follow-current-free discharging tube module with tripping function |
| 07/17/2013 | CN103208787A Mixed line self-adaption reclosing based on fault direction distinguishing principle |
| 07/17/2013 | CN103208776A Breaker circuit with fault self-detection function |
| 07/17/2013 | CN103208775A Protection switch device for detecting fault current and control method |
| 07/17/2013 | CN103208774A Intrinsic-safety power supply short-circuit protection circuit |
| 07/17/2013 | CN103208773A Intelligent release of marine medium-voltage vacuum circuit breaker |
| 07/17/2013 | CN103208772A High-voltage transformer test protection device with multi-protection function |
| 07/17/2013 | CN102593787B Low-current disjunction device and disjunction method for direct-current distribution system |
| 07/17/2013 | CN101897094B Fault direction determination |
| 07/17/2013 | CN101841181B Charger |
| 07/17/2013 | CN101816107B Circuit protector and electric connection box |
| 07/17/2013 | CN101600278B Light emitting diode multiphase driver circuit |
| 07/16/2013 | US8488290 Protective device |
| 07/16/2013 | US8488288 Input protection method with variable tripping threshold and low parasitic elements |
| 07/16/2013 | US8488287 Overcurrent protection circuit and method of protecting power supply circuit |
| 07/16/2013 | US8488286 Apparatus for electric power tool and recording medium |
| 07/16/2013 | CA2771295C Line current differential protection upon loss of an external time reference |
| 07/16/2013 | CA2736009C Arc flash protection with self-test |
| 07/16/2013 | CA2727752C Spa and method of controlling spa system |
| 07/12/2013 | DE202013102620U1 Leckstrom-Erkennungsapparat Leakage current detection apparatus |
| 07/11/2013 | WO2013102990A1 Power load imbalance detection device and power load imbalance detection method |
| 07/11/2013 | US20130176755 Dimmer control with soft start over-current protection |
| 07/11/2013 | US20130176652 Over-voltage protection device for resonant wireless power transmission device and method for controlling the over-voltage protection device |
| 07/11/2013 | US20130176650 Device and method for limiting leakage currents |
| 07/11/2013 | US20130176649 System and method for compressor motor protection |
| 07/11/2013 | US20130176648 Pole-slip protection system and method for synchronous machines |
| 07/11/2013 | DE102012200103A1 Switch device for control device of motor car, has evaluation device which controls switch in function of current that flows through switch and input voltage of switch |
| 07/10/2013 | EP2611645A1 Method and arrangement for supplying voltage to an electrical contact-forming means |
| 07/10/2013 | CN203056995U Mining flame-proof and intrinsic-safety type direct current regulated power supply |
| 07/10/2013 | CN203056568U Lightning protection module |
| 07/10/2013 | CN203056560U Fusing intelligent protection circuit of thyristors |
| 07/10/2013 | CN203056559U An IGBT hardware protection circuit of an induction cooker |
| 07/10/2013 | CN203056554U LLC double bridge arm circle-by-circle current detection and protection circuit |
| 07/10/2013 | CN203056544U Casing electric leakage protection circuit and road traffic signal control machine using the circuit |
| 07/10/2013 | CN203056543U Shunt tripping device |
| 07/10/2013 | CN203056542U Overvoltage under-voltage protection device |
| 07/10/2013 | CN203056541U Over-current protection circuit |
| 07/10/2013 | CN203056540U Auxiliary output protective circuit for Set Top Box circuit board |
| 07/10/2013 | CN203056539U Portable quiescent temporary protection device |
| 07/10/2013 | CN203056538U Power distribution panel for loom |
| 07/10/2013 | CN203056537U Heavy load device used for adjusting fixed value |
| 07/10/2013 | CN203056536U Self-recovery fault treatment circuit |
| 07/10/2013 | CN203056283U Safe socket with current overload protection |
| 07/10/2013 | CN203049058U High-intelligence monitoring power supply for pulse electroplating |
| 07/10/2013 | CN103201922A Thermal memory in a fault powered system |
| 07/10/2013 | CN103201921A Fault interrupting devices and control methods therefor |
| 07/10/2013 | CN103201920A Switching device |
| 07/10/2013 | CN103201919A Sensing and control electronics for a power grid protection system |
| 07/10/2013 | CN103200015A Power over Ethernet (POE) switchboard power supply method |
| 07/10/2013 | CN103199514A Method of eliminating ferromagnetic resonances |
| 07/10/2013 | CN103199510A Ordered binary decision diagram modeling method for distribution network fault recovery |
| 07/10/2013 | CN103199506A Over-current protection circuit and backlight module of light source drive module |
| 07/10/2013 | CN103199505A Output short-circuit protection circuit for high tension battery |
| 07/10/2013 | CN103199503A Protective circuit of vehicle-mounted charger |
| 07/10/2013 | CN103199490A Gas power-off device used for coal mining machine of model MXG-500 in coal mine |
| 07/10/2013 | CN103199489A Ground wire leakage protection device |
| 07/10/2013 | CN103199488A Low-voltage protection circuit free of requiring independent reference source |
| 07/10/2013 | CN103199487A Overvoltage delay protection method and overvoltage delay protection device |
| 07/10/2013 | CN103199486A Low-voltage and high-voltage earth leakage protection circuits |
| 07/10/2013 | CN103199485A Explosion-proof type long distance short circuit protector |
| 07/10/2013 | CN103199484A Electronic loop system control device |
| 07/10/2013 | CN103199392A Alternating current socket with overvoltage protection |