| 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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| 06/15/2011 | CN201867478U Audio-visual alarm circuit of motor |
| 06/15/2011 | CN1909315B Multiple-output electric power and its overcurrent detecting and protecting method |
| 06/15/2011 | CN102099979A Method for performing a self-test by a residual current operated device, and residual current operated device |
| 06/15/2011 | CN102098848A High power factor constant current light-emitting diode (LED) lighting circuit |
| 06/15/2011 | CN102098826A Light emitting diode light source driving circuit |
| 06/15/2011 | CN102098163A Distributed power supply system |
| 06/15/2011 | CN102097782A Safety circuit breaking method and device for electric blanket |
| 06/15/2011 | CN102097781A Setting of high-voltage line three-phase current unbalanced state fiber longitudinal differential protection definite value |
| 06/15/2011 | CN102097780A Electric shock and electric leakage protection device for low voltage power grid |
| 06/15/2011 | CN102097779A Novel anti-interference electricity intelligent control device |
| 06/15/2011 | CN102097778A Energy-saving undervoltage/overvoltage protective device |
| 06/15/2011 | CN102097777A Input voltage limiting protection circuit and method thereof |
| 06/15/2011 | CN102097776A Fully-automatic solid-state circuit breaker |
| 06/15/2011 | CN102096999A Ultramicro power consumption stand-by remote control energy-saving controller |
| 06/15/2011 | CN101542662B A method and an apparatus for predicting the future behavior of currents in current paths |
| 06/15/2011 | CN101317243B Circuit breaker including open neutral interlock |
| 06/15/2011 | CN101262127B Actuation module for an electric protective circuit breaker, method for its operation and electric safety system |
| 06/14/2011 | US7961450 Antistatic apparatus |
| 06/14/2011 | US7961447 Device for a remote monitoring the state of at least a single-pole surge protection device |
| 06/14/2011 | US7961445 Method of detecting fault extinction during a three-phase autoreclosing cycle in an AC transmission line |
| 06/14/2011 | US7961443 Hybrid power relay using communications link |
| 06/14/2011 | US7961111 Home control protection system |
| 06/14/2011 | US7960866 Pulse generation circuit and UWB communication device |
| 06/14/2011 | CA2648610C Rechargeable battery pack |
| 06/09/2011 | WO2011067847A1 Secondary battery system |
| 06/09/2011 | WO2011067255A1 Ground fault handling in power distribution systems with mixed underground and aerial power lines |
| 06/09/2011 | US20110134577 Over-voltage protection |
| 06/09/2011 | US20110134576 Power delivery circuit having protection switch for reverse battery condition |
| 06/09/2011 | US20110134575 Heat sensor responsive to electrical overloads |
| 06/09/2011 | US20110133574 Safety switching apparatus |
| 06/09/2011 | US20110133571 Protection circuit and battery pack |
| 06/09/2011 | DE102009057084A1 Verpolungsschutzschaltung für ein Kraftfahrzeugbordnetz sowie Kraftfahrzeugbordnetz mit einer Verpolungsschutzschaltung Reverse connection protecting circuit for a motor vehicle electrical system and vehicle electrical system with a reverse connection protecting circuit |
| 06/09/2011 | DE102009047480A1 Control device for control of e.g. airbag in passenger car, has voltage regulator connected between vehicle supply voltage and input voltage of supply component, where voltage regulator limits input voltage to predetermined value |
| 06/08/2011 | EP2330709A1 Ground fault handling in power distribution systems with mixed underground and aerial power lines |
| 06/08/2011 | EP2329681A1 Automatic heat tracing control process |
| 06/08/2011 | EP2329580A1 Method and protective device for producing an error signal indicating a winding error in a transformer |
| 06/08/2011 | EP2329579A1 Device and method for limiting the rail potential in a dc railway |
| 06/08/2011 | EP2329578A1 Current limiting controlling for power supply, e.g. led driver, having automatic reset |
| 06/08/2011 | EP2329577A1 Arc flash protection with self-test |
| 06/08/2011 | EP2329576A1 Electro-optical radiation collector for arc flash detection |
| 06/08/2011 | EP2329575A1 Protective device with metering and oscillography |
| 06/08/2011 | CN201860494U Light-emitting diode driving circuit with light modulating sequential control |
| 06/08/2011 | CN201860489U Automobile lighting LED drive short circuit protection circuit |
| 06/08/2011 | CN201860487U LED driving device with high conversion efficiency |
| 06/08/2011 | CN201860478U Anti-falling pin type connection LED constant current power supply |
| 06/08/2011 | CN201860102U Back-up type multiple grounding device of standby power supply |
| 06/08/2011 | CN201860097U High-low voltage bus temperature protector |
| 06/08/2011 | CN201860095U Safety protection power supply |
| 06/08/2011 | CN201860093U Overload early warning protecting device for conveying belt motor of conveyer |
| 06/08/2011 | CN201860090U Leakage protector for underground low-voltage power supply |
| 06/08/2011 | CN201860089U Zero line breakage safety protection device of three-phase four-wire power supply |
| 06/08/2011 | CN201860088U Electricity leakage protector |
| 06/08/2011 | CN201860087U Under-voltage protection circuit |
| 06/08/2011 | CN201860086U Medical power supply management circuit |
| 06/08/2011 | CN201860085U Shot-blasting circuit capable of monitoring flux of steel sand |
| 06/08/2011 | CN201860084U Short-circuit protection circuit of single-stage power factor correction circuit |
| 06/08/2011 | CN201860083U Monitoring device for electric power |
| 06/08/2011 | CN201860082U Small home appliance and protection device thereof |
| 06/08/2011 | CN1804644B Method for capturing out-of-step interface based on reactive power |
| 06/08/2011 | CN102089950A Method for producing a fault signal and electric protective device |
| 06/08/2011 | CN102089949A Fault protector for opto-electronic devices and associated methods |
| 06/08/2011 | CN102089948A Method and system for rearranging sound conductors in parallel lines in power transmission |
| 06/08/2011 | CN102088206A Intelligent measurement and control apparatus of high-pressure isolation switch operating mechanism and method thereof |
| 06/08/2011 | CN102088183A Protection circuit with locking control function |
| 06/08/2011 | CN102088178A Locking device for disconnecting link of arc suppression coil |
| 06/08/2011 | CN102088177A Arc-extinguishing electric fireproofing short circuit protection device and method |
| 06/08/2011 | CN102088176A 110 KV line microcomputer protection reclosing apparatus |
| 06/08/2011 | CN101651326B Signal wire lightning protection protector with failure display function |
| 06/08/2011 | CN101615776B Aircraft applicable circuit imbalance detection and circuit interrupter thereof |
| 06/08/2011 | CN101478153B Pilot type control circuit |
| 06/08/2011 | CN101477919B Intelligent control module for permanent magnet contactor |
| 06/08/2011 | CN101427338B Circuit breaker having fault-current cutoff |
| 06/08/2011 | CN101389856B Wind energy installation with blade adjustment device and blade adjustment method |
| 06/08/2011 | CN101316036B Self-adapting three-phase reclosure decision method of ultra-high voltage electric power line with shunt reactor |
| 06/08/2011 | CN101179184B Sampling frequency control method and protective relay |
| 06/08/2011 | CN101069333B Automobile circuit |
| 06/07/2011 | US7957844 Device and a method for power balancing |
| 06/07/2011 | US7957116 System and method for detection of multiple current limits |
| 06/07/2011 | US7957115 Drive circuit of voltage driven element |
| 06/07/2011 | US7957114 Circuit breaker and method for triggering a circuit breaker, particularly a low voltage circuit breaker |
| 06/07/2011 | US7957113 Undervoltage lockout circuit |
| 06/07/2011 | US7957111 Differential current output driver with overvoltage protection |
| 06/03/2011 | WO2011065536A1 Protective relay |
| 06/03/2011 | WO2011063759A1 Indicting mechanism for surge protector |
| 06/02/2011 | US20110128659 Low power load swich with protection circuitry |
| 06/02/2011 | US20110128277 Operational amplifier and liquid crystal drive device using same, as well as parameter setting circuit, semiconductor device, and power supply unit |
| 06/02/2011 | US20110128005 Sluggish circuit breaker detection system and method |
| 06/01/2011 | EP2328271A1 Device for protecting load circuit |
| 06/01/2011 | EP2328249A1 Reclosing method for electrical power transmission line |
| 06/01/2011 | EP2328246A1 Electricity distribution system and method for adapting a TT electricity distribution network |
| 06/01/2011 | EP2327275A1 A surge protection circuit |
| 06/01/2011 | EP2327130A1 Validation of arc flash detection systems |
| 06/01/2011 | EP2327129A1 Secure arc flash detection |
| 06/01/2011 | CN201854467U Replacement type LED fluorescent tube circuit |
| 06/01/2011 | CN201854068U Automatic alarming charger |
| 06/01/2011 | CN201854039U Line pile power regulator |
| 06/01/2011 | CN201854038U Intelligent damage resistance protector |
| 06/01/2011 | CN201854030U Protection circuit for preventing misoperation and solar power generation system applying protection circuit |
| 06/01/2011 | CN201854029U Direct current power supply surge protection circuit |
| 06/01/2011 | CN201854024U Protecting device of feedback unit |