| 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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| 02/12/2014 | CN203434609U Current protection circuit of servo driver |
| 02/12/2014 | CN203434604U Intelligent monitoring system for capacitor complete device |
| 02/12/2014 | CN203434594U Motor overheating delay protection device |
| 02/12/2014 | CN203434589U Distribution box protective module |
| 02/12/2014 | CN203434588U Reclosing protection device with leakage protection |
| 02/12/2014 | CN203434587U Relay output short-circuit self-protection device |
| 02/12/2014 | CN203434386U Safety socket with over current protection function |
| 02/12/2014 | CN103580014A Lightning protection device |
| 02/12/2014 | CN103580007A Intelligent frame controller |
| 02/12/2014 | CN103579998A High-disturbance-rejection electric leakage controller and control method |
| 02/12/2014 | CN103579997A Intelligent electric leakage comprehensive controller |
| 02/12/2014 | CN103579996A Reclosure controller having external electric leakage function based on intelligent plastic shell |
| 02/12/2014 | CN103579995A Direct-current input switching power source and undervoltage protection circuit thereof |
| 02/12/2014 | CN103579994A Control device and method with over/under-voltage protection and automatic reset functions |
| 02/12/2014 | CN103579993A 突波保护装置 Surge protection devices |
| 02/12/2014 | CN103579992A Voltage type leakage protection power line over-current protection device for electric water heater |
| 02/12/2014 | CN103579991A 过流保护电路 Overcurrent protection circuit |
| 02/12/2014 | CN103579990A Distributed-generation-contained power distribution system fault recovery method based on mixed decision diagram |
| 02/12/2014 | CN103579989A Novel intelligent residual electricity leakage protection device |
| 02/12/2014 | CN103579988A System for protecting a plurality of electrical outlets against short circuits, and electrical facility comprising such a protective system |
| 02/12/2014 | CN103576825A Power management system |
| 02/12/2014 | CN103576045A Directional detection of a sensitive medium-voltage earth fault by linear correlation |
| 02/12/2014 | CN102593797B Topological structure-based differential combination method |
| 02/12/2014 | CN102412509B Contact network overvoltage protection device |
| 02/12/2014 | CN102231514B Soft recovery control circuit of output short circuit |
| 02/12/2014 | CN102222876B Breakage blocking differential protection method and breakage blocking differential protection system based on current transformer |
| 02/12/2014 | CN102035168B Overcurrent protection circuit and in-vehicle display device |
| 02/11/2014 | US8649146 Capacitance check and current monitoring circuit for use with a circuit protection device |
| 02/11/2014 | US8649145 Circuit arrangement for limiting a voltage |
| 02/11/2014 | US8649144 Method of forming an over-voltage protection circuit and structure therefor |
| 02/11/2014 | US8649143 Improper voltage detection for electronic circuit breaker |
| 02/11/2014 | US8649142 Equivalent alpha plane fault determination for a multi-terminal power apparatus |
| 02/11/2014 | US8649141 By-pass diode structure for strings of series connected cells of a photovoltaic panel |
| 02/11/2014 | US8649140 Voltage activated 2nd level safety circuit for permanent isolation |
| 02/11/2014 | US8649139 Methods, systems, and apparatus for detecting arc flash events using current and voltage |
| 02/11/2014 | US8649138 Electricity storage system and control device |
| 02/11/2014 | US8649137 Semiconductor device and method of forming same for ESD protection |
| 02/11/2014 | US8649133 Plug tail systems |
| 02/11/2014 | US8649130 Motor driving apparatus having fault diagnostic function |
| 02/11/2014 | US8649128 Power supply and power supply system incorporating a plurality of power supplies |
| 02/11/2014 | US8648851 Liquid crystal display device |
| 02/11/2014 | US8648572 Protection circuit and battery pack |
| 02/11/2014 | CA2723783C Building service ground fault interrupter |
| 02/06/2014 | WO2014019864A1 Distributed detection of leakage current and fault current, and detection of string faults |
| 02/06/2014 | WO2014019834A1 Twelve-pulse autotransformer rectifier units |
| 02/06/2014 | US20140036401 Semiconductor device, electronic device, and method of testing the semiconductor device |
| 02/06/2014 | DE102005040487B4 HF-Chirurgiegerät Electrosurgical unit |
| 02/05/2014 | EP2693586A1 Clock synchronization for line differential protection |
| 02/05/2014 | EP2693585A1 System for protecting a plurality of electrical outlets against short circuits, and electrical facility comprising such a protective system |
| 02/05/2014 | EP2693227A2 System for detecting an impedance variation in a neutral conductor, transformer station including such a system and method for detecting an impedance variation in a neutral conductor with such a system |
| 02/05/2014 | CN203423478U Electric heat tracing tape intelligent temperature control protection system |
| 02/05/2014 | CN203423477U Overvoltage protection circuit |
| 02/05/2014 | CN203423476U Load control signal control type automatic reclosing miniature circuit breaker |
| 02/05/2014 | CN203423475U Over-current automatic power off protection circuit |
| 02/05/2014 | CN203423474U Automatic closing controller |
| 02/05/2014 | CN203423473U Transformer substation accident resultant signal reset circuit |
| 02/05/2014 | CN103563201A Method for the operation of an inverter, and inverter |
| 02/05/2014 | CN103563200A Residual-current circuit breaker |
| 02/05/2014 | CN103563199A Method for the operation of inverter, and inverter |
| 02/05/2014 | CN103560482A Differential protection method based on phasor set |
| 02/05/2014 | CN103560481A High shock tolerance surge protection device |
| 02/05/2014 | CN103560480A Line-breaking-prevention protection device of high pressure washer |
| 02/05/2014 | CN103560479A Load circuit fault detection circuit and method applied to breaker reclosing |
| 02/05/2014 | CN103560478A Unexpected power outage protection device |
| 02/05/2014 | CN103560477A Power supply line arc fault protector embedded into electrical equipment |
| 02/05/2014 | CN103560036A Method for preventing high-voltage power-driven disconnecting switch supporting insulator from being fractured |
| 02/05/2014 | CN103558496A Single pole grounding system and fault detection device and method thereof |
| 02/05/2014 | CN102412569B Method for starting longitudinal differential protection by using fault component |
| 02/05/2014 | CN102280850B Corridor public electricity current limiting protector |
| 02/05/2014 | CN102124622B Fault-current detection device |
| 02/04/2014 | US8643995 Method and a device for overvoltage protection, and an electric system with such a device |
| 02/04/2014 | US8643993 Short-circuit detection circuit and short-circuit detection method |
| 02/04/2014 | US8643991 System for monitoring over voltage protection of battery pack and method thereof |
| 02/04/2014 | US8643990 Protection circuit |
| 02/04/2014 | US8643988 ESD power clamp using a low-voltage transistor to clamp a high-voltage supply in a mixed-voltage chip |
| 02/04/2014 | US8643987 Current leakage in RC ESD clamps |
| 02/04/2014 | US8643986 Bipolar photovoltaic array grounding apparatus and method |
| 01/30/2014 | WO2014017146A1 Power supply apparatus |
| 01/30/2014 | US20140029149 Surge protection device |
| 01/30/2014 | US20140029146 Electronic Device for Protecting Against a Polarity Reversal of a DC Power Supply Voltage, and its Application to Motor Vehicles |
| 01/30/2014 | US20140028116 System for detecting a falling electric power conductor and related methods |
| 01/30/2014 | DE102007009731B4 Steuerschaltung für eine Halbleitervorrichtung mit Überhitzungsschutzfunktion Control circuit for a semiconductor device having overheating protection function |
| 01/29/2014 | EP2690784A1 Self-test of over-current fault detection |
| 01/29/2014 | EP2689507A1 Determining the direction of intermittent earth faults in energy supply networks |
| 01/29/2014 | EP2689506A1 Domestic appliance with protection circuit |
| 01/29/2014 | EP2689462A2 Photovoltaic system |
| 01/29/2014 | CN203415973U Integrated video three-in-one lightning protection device |
| 01/29/2014 | CN203415969U Arc extinguishing and overvoltage protection apparatus for transformer station |
| 01/29/2014 | CN203415962U A driving circuit containing overcurrent protection and overcurrent feedback |
| 01/29/2014 | CN203415955U Novel short-circuit protection circuit for switching power supply |
| 01/29/2014 | CN203415949U Solar cell protection module |
| 01/29/2014 | CN203415948U Intelligent temperature control self-check alarm device of charger |
| 01/29/2014 | CN203415947U Active short-circuit protection equipment for direct-current power distribution |
| 01/29/2014 | CN203415946U Overcurrent protection circuit with isolation function |
| 01/29/2014 | CN203415945U Circuit protective apparatus for building automatic control system |
| 01/29/2014 | CN203415944U Output-control switching module |
| 01/29/2014 | CN203415943U Equipment power supply circuit |
| 01/29/2014 | CN203415942U Fault signal processing circuit |
| 01/29/2014 | CN203414839U Low voltage temperature control alarm electric heating blanket |
| 01/29/2014 | CN103548228A System and method for protecting an electrical power grid |