| 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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| 01/29/2014 | CN103548227A Trip unit including separable component to save restore settings, and circuit breaker including the same |
| 01/29/2014 | CN103546069A Novel Y-Deltastarting box |
| 01/29/2014 | CN103545792A ACS710 based frequency converter overcurrent protection circuit and method |
| 01/29/2014 | CN103545786A Leakage current protecting device |
| 01/29/2014 | CN103545785A Power supply MOV surge protection device failure fault current cyclic wave monitoring device and method |
| 01/29/2014 | CN103545784A Pulse controller of control and protection switching device |
| 01/29/2014 | CN103545783A Punching operation reinforcement protection device |
| 01/29/2014 | CN103545782A Distance protection setting method of swing block |
| 01/29/2014 | CN102290788B Measurement protective device of submersible pump motor |
| 01/29/2014 | CN102157922B Reactance relay and re-closing method |
| 01/29/2014 | CN102118909B Step up circuit for driving light emitting diode |
| 01/29/2014 | CN101609970B Ac-dc circuit converter with very broad AC input voltage range |
| 01/28/2014 | US8638535 Vertical mount transient voltage suppressor array |
| 01/28/2014 | US8638534 Load driving device |
| 01/28/2014 | US8638533 Semiconductor device |
| 01/28/2014 | US8638531 Hybrid bi-directional DC contactor and method of controlling thereof |
| 01/23/2014 | WO2013171762A3 A power analyzer with inbuilt auto over voltage cut off circuit |
| 01/23/2014 | WO2012175206A9 State monitoring or diagnostics system |
| 01/23/2014 | US20140022684 Multi-phase switching converter with over current protection and control method thereof |
| 01/23/2014 | US20140022681 Power supply system, vehicle incorporating the same and method for controlling power supply system |
| 01/23/2014 | US20140022680 Current limitation system for limiting the effects of a fault in a dc grid and a method of operating a current limitation system |
| 01/23/2014 | US20140022679 Surge Protection Circuit |
| 01/23/2014 | US20140022678 Electrostatic discharge protection circuit for implantable medical device |
| 01/23/2014 | US20140021893 Driver for switching element and control system for rotary machine using the same |
| 01/23/2014 | DE102012212545A1 Device for intermediate storage of electrical power in wind turbine and photovoltaic system to achieve regulated power output to energy distribution network, has pump transmitting thermal energy in pressurized air before or during expansion |
| 01/23/2014 | DE102012212535A1 Circuit for use with battery for monitoring interlock or pilot lines of electrical network of motor vehicle, comprises evaluation unit and sub-circuit integrated into signal circuit through terminals for monitoring of electrical network |
| 01/23/2014 | DE10159175B4 Halbleiterbauelement mit einem Fühlemitter und einer Schutzvorrichtung Semiconductor component with a probe Mitter and a protective device |
| 01/22/2014 | EP2687860A1 Directional detection of a sensitive medium-voltage earth fault by linear correlation |
| 01/22/2014 | EP2686929A1 Voltage based method for fault identification in a transmission line and apparatus thereof |
| 01/22/2014 | EP2686928A1 Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system |
| 01/22/2014 | EP2686691A1 A method for detecting earth faults |
| 01/22/2014 | CN203407031U Induction cooker and current sampling and current foldback circuit of induction cooker |
| 01/22/2014 | CN203406687U Intelligent vehicle-mounted mobile phone wireless charging system |
| 01/22/2014 | CN203406596U Under-voltage tripping device |
| 01/22/2014 | CN203406595U Safety detection device |
| 01/22/2014 | CN203406594U 电路超负荷自动报警装置 Circuit overload alarm device |
| 01/22/2014 | CN203406593U 220V AC monostabillity coil driving module |
| 01/22/2014 | CN103532109A Fault recovery method of power distribution network including micro grid |
| 01/22/2014 | CN103532095A Novel energy-saving electric load limiter |
| 01/22/2014 | CN103532094A Fireproof electric leakage protector based on single chip microcomputer |
| 01/22/2014 | CN103532093A Leakage protector capable of monitoring |
| 01/22/2014 | CN103532092A Novel electric leakage protector |
| 01/22/2014 | CN103532091A Method for turning on/off electro-mechanical integrated high-voltage direct-current circuit breaker |
| 01/22/2014 | CN103532090A Multilevel, online and adjustable overcurrent protection module |
| 01/22/2014 | CN103532089A Novel circuit breaker |
| 01/22/2014 | CN103532088A Short-circuit resistance self-reset electronic circuit breaker |
| 01/22/2014 | CN103532087A Intelligent monitoring unit for vehicle-mounted single-phase alternating-current power supply |
| 01/22/2014 | CN103532086A Over-current protective device actively avoiding peak current of anode of high-power gyrotron |
| 01/22/2014 | CN103532085A Emergency protection circuit provided with indicator light |
| 01/22/2014 | CN103532084A Integrated accident signal resetting circuit in microcomputer type relay protection circuit |
| 01/22/2014 | CN103532083A Electric shock signal moment identification method and residual current protection action criterion |
| 01/22/2014 | CN103531421A Field-emitted electron source drive and control circuit |
| 01/22/2014 | CN102255298B Power electronic failure current limiter |
| 01/22/2014 | CN102208306B Low-voltage intelligent circuit breaker |
| 01/22/2014 | CN101939889B Earth leakage detection method |
| 01/22/2014 | CN101898524B Electric traction chain for a rail vehicle |
| 01/21/2014 | US8634177 Coupling structure for airframe components |
| 01/21/2014 | US8634174 Gate dielectric breakdown protection during ESD events |
| 01/21/2014 | US8634171 Over voltage protection of a switching converter |
| 01/21/2014 | CA2593971C Independent automatic shedding branch circuit breaker |
| 01/16/2014 | WO2014011593A1 Reverse current fault prevention in solar panel |
| 01/16/2014 | WO2014011184A1 Isolation contactor state control system |
| 01/16/2014 | WO2013165753A3 System and method for ground fault detection and protection in adjustable speed drives |
| 01/16/2014 | US20140016240 Driver circuit and television set using the same |
| 01/16/2014 | US20140016238 Relay-welding detection circuit and power supplying system |
| 01/16/2014 | US20140016237 Protective circuitry controls power supply enablement |
| 01/16/2014 | US20140016236 Switch for a transmission path for high-voltage direct current |
| 01/15/2014 | EP2684267A2 A current limitation system for limiting the effects of a fault in a dc grid and a method of operating a current limitation system |
| 01/15/2014 | CN203398820U Charger and undervoltage protection circuit thereof |
| 01/15/2014 | CN203398755U Three-phase earth leakage protection and power-off automatic recovery apparatus |
| 01/15/2014 | CN203398754U Anti-creeping switch |
| 01/15/2014 | CN203398753U Three-phase self-reset overvoltage/undervoltage protector |
| 01/15/2014 | CN203398752U Overvoltage protection circuit unrelated to input voltage polarities |
| 01/15/2014 | CN203398751U Air breaker controlled by electronic circuit |
| 01/15/2014 | CN203398750U Overcurrent detection and control device |
| 01/15/2014 | CN203398749U Intrinsically safe energy suppression circuit |
| 01/15/2014 | CN203398748U Multiple fault detection and protection device of bus |
| 01/15/2014 | CN203398747U Wireless intelligent power supply management apparatus |
| 01/15/2014 | CN203398746U Signal surge protector capable of failure indication and remote signaling |
| 01/15/2014 | CN203398745U Stable type overvoltage protection device |
| 01/15/2014 | CN203398744U Field operation multifunctional power source distributing device |
| 01/15/2014 | CN203398743U Safe starting circuit with self-locking function |
| 01/15/2014 | CN203397943U Driver for permanent magnetic mechanism |
| 01/15/2014 | CN203397188U Underwater lamp electric control system for nuclear power station |
| 01/15/2014 | CN203391712U Automobile wire connector |
| 01/15/2014 | CN103518299A Method and apparatus for clearing a fuse in a single output multi load configuration |
| 01/15/2014 | CN103516053A Outdoor lighting power distribution cabinet protection controller |
| 01/15/2014 | CN103515928A Indirect type thermal overload protection device |
| 01/15/2014 | CN103515927A Electric leakage sampling circuit and method |
| 01/15/2014 | CN103515926A Inverse-time-lag overvoltage protection device |
| 01/15/2014 | CN103515925A Low-voltage over-voltage protection breaker |
| 01/15/2014 | CN103515924A Device and method for protection of electric reactors in series connection |
| 01/15/2014 | CN103515923A Interface unit having overcurrent and overvoltage protection device |
| 01/15/2014 | CN103515922A Self-recovery and overcurrent protection circuit for power amplifier integrated circuit |
| 01/15/2014 | CN103515921A Online protection circuit of high-voltage breaker opening/closing coil and protection method thereof |
| 01/14/2014 | US8630076 Safe disconnect switch |
| 01/09/2014 | WO2014007490A1 Driver circuit for an electric vehicle and a diagnostic method for determining when an electrical short circuit to a ground voltage is present between a contactor coil and a voltage driver |
| 01/09/2014 | WO2014007489A1 Driver circuit for an electric vehicle and a diagnostic method for determining when a voltage driver is shorted to a ground volatge |
| 01/09/2014 | WO2014006356A2 Protecting electrical distribution equipment against overheating |
| 01/09/2014 | WO2014006308A1 Differential protection device |