| 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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| 03/07/2012 | CN202159959U 一种安全节电保护装置 A safe and energy-saving protection device |
| 03/07/2012 | CN202159958U 一种通机面板 One kind through the machine panel |
| 03/07/2012 | CN202159957U 一种通机面板 One kind through the machine panel |
| 03/07/2012 | CN202159956U 一种三相电检测控制器 A three-phase electrical detection controller |
| 03/07/2012 | CN202159853U 一种智能插座 An intelligent socket |
| 03/07/2012 | CN102368633A Solar energy and mains supply complementation controller |
| 03/07/2012 | CN102368607A Power-off protection system for electronic product drop process |
| 03/07/2012 | CN102368606A Leakage protection method of frequency converter and apparatus thereof |
| 03/07/2012 | CN102368604A Overcurrent protection circuit of electric drive controller for electric vehicle |
| 03/07/2012 | CN102368603A Apparatus for indicating a status of an apparatus that energizes a protective device, and associated method |
| 03/07/2012 | CN102368595A Nuclear power station distribution board |
| 03/06/2012 | US8130480 Circuit interrupting device with reset lockout |
| 03/06/2012 | US8130479 Ground fault interrupts for solid state power controllers |
| 03/06/2012 | CA2549838C Method and device for fault detection in transformers or power lines |
| 03/01/2012 | WO2012026450A1 Combiner box for solar power generation |
| 03/01/2012 | WO2012026448A1 Solar photovoltaic power generation device and method for controlling same |
| 03/01/2012 | WO2012025722A1 Apparatus for use in estimating a fault level in a network providing an electrical power supply to consumers |
| 03/01/2012 | US20120050936 Compact transient voltage surge suppression device |
| 03/01/2012 | US20120050935 Compact transient voltage surge suppression device |
| 03/01/2012 | US20120050934 Power Supply For An Electronic Tripping Unit For A Switch, In Particular A Circuit Breaker For Low Voltages, And A Switch Having A Power Supply Such As This |
| 03/01/2012 | US20120050933 Branch circuit protection with in-line solid state device |
| 03/01/2012 | US20120050932 Switch, In Particular Circuit Breaker For Low Voltages, And Power Supply For An Electronic Tripping Unit Of A Switch |
| 03/01/2012 | US20120050929 Method for feeding a multiphase electric network and associated circuit arrangement |
| 03/01/2012 | US20120049829 Power Supply Apparatus and Electronic Device Provided With Same |
| 03/01/2012 | US20120047927 Solid state control system |
| 03/01/2012 | DE102011012360A1 Short circuit protection circuitry for e.g. generator, has additional measuring elements that are connected at output end of guard object to operate electric circuit of protection apparatus without delay time |
| 03/01/2012 | DE102010039667A1 Schaltungsanordnung zum Betreiben eines Hausgeräts und entsprechendes Verfahren Circuit arrangement for operating a household appliance and corresponding method |
| 03/01/2012 | DE102010036288A1 Method for detecting faulty connection lines e.g. short circuits, involves providing electrical test signal with predetermined pulse length and reception of test pulse for testing connection lines of downstream switch |
| 03/01/2012 | DE102010036211A1 Method for detecting e.g. interrupted or short-circuited two-wire line utilized to connect upstream and downstream switches of current distribution system, involves executing preset error action during erroneous current or voltage level |
| 03/01/2012 | DE102010036209A1 Method for monitoring low voltage circuit breaker used in power distribution system, involves determining whether measurement signal is plausible based on lower resolution of secondary measurement signal by microcontroller |
| 03/01/2012 | DE102010036080A1 Switch i.e. power switch, for interrupting alternating current flowing through conductor, has trip unit selecting alternating current output voltage that corresponds to inputs of trip unit and is reused with respect to resolution |
| 03/01/2012 | DE102010036079A1 Schalter, insbesondere Leistungsschalter für Niederspannungen, und Energieversorgung für eine elektronische Auslöseeinheit eines Schalters Switch, in particular circuit breaker for low voltages, and power supply for an electronic trip unit of a switch |
| 03/01/2012 | DE102010036078A1 Energieversorgung für eine elektronische Auslöseeinheit eines Schalters, insbesondere eines Leistungsschalters für Niederspannungen, und einen Schalter mit einer solchen Energieversorgung Power supply for an electronic trip unit of a switch, in particular a power switch for low voltages, and a switch with such a power supply |
| 03/01/2012 | CA2808931A1 Apparatus for use in estimating a fault level in a network providing an electrical power supply to consumers |
| 02/29/2012 | EP2424063A1 Quench detection system for a superconductor fault current limiter |
| 02/29/2012 | EP2424062A2 Switch, in particular Circuit breaker for Low Voltage, and power supply for an electronic trip unit of a switch |
| 02/29/2012 | EP2424060A2 Redundant systems, methods, and apparatus for use in arc flash prevention systems |
| 02/29/2012 | EP2424059A2 Methods, systems, and apparatus for detecting arc flash events using current and voltage |
| 02/29/2012 | EP2423938A2 Energy supply for an electronic trigger unit of a switch, in particular a circuit breaker for low voltages and a switch with such an energy supply |
| 02/29/2012 | EP2422418A1 Monitoring device for an electrical power source and load |
| 02/29/2012 | EP2422417A1 A method and a device for supervising the sensitivity of a protection function |
| 02/29/2012 | CN202153636U 一种智能车载终端的宽电压电源保护装置 Wide voltage power protection device for intelligent vehicle terminal |
| 02/29/2012 | CN202153635U 一种汽车仪表电源掉电保护电路 An automobile instrument power failure protection circuit |
| 02/29/2012 | CN202153633U 一种汽车电路短路保护与指示报警装置 An automobile circuit protection and indication alarm device |
| 02/29/2012 | CN202153632U 通信系统自动重合闸电源保护器 Communications systems automatic reclosing power protection |
| 02/29/2012 | CN102364799A Differential protection system for power system substation |
| 02/29/2012 | CN102364798A Under-voltage protection device and protection method for circuit breaker |
| 02/29/2012 | CN102364797A Overvoltage leakage protector |
| 02/29/2012 | CN102364796A Voltage and phase sequence protection circuit |
| 02/29/2012 | CN102364763A Leakage protection plug |
| 02/29/2012 | CN102364762A Leakage protection plug |
| 02/29/2012 | CN102364761A Leakage protection plug |
| 02/29/2012 | CN101794978B Single-wire explosion-proof travel switch |
| 02/29/2012 | CA2751169A1 Branch circuit protection with in-line solid state device |
| 02/28/2012 | US8125752 Coaxial broadband surge protector |
| 02/28/2012 | US8125751 Method for sectioning with a section switch a medium-voltage electric power distribution line exhibiting a disturbance, section switch for medium-voltage electric power distribution line applicable thereon and electronic circuit for detecting a fault current and comprised by said section switch |
| 02/28/2012 | US8125750 Street furniture safety device |
| 02/28/2012 | US8125749 Electrostatic protection circuit |
| 02/28/2012 | US8125748 Ground fault circuit interrupter |
| 02/28/2012 | US8125228 Protective device with automated self-test |
| 02/28/2012 | US8125191 Early warning method for abnormal state of lithium battery and recording medium |
| 02/28/2012 | US8125189 Systems for charging a battery in a closed loop configuration |
| 02/23/2012 | WO2012023209A1 Grounding device |
| 02/23/2012 | WO2012021909A1 Switching device |
| 02/23/2012 | WO2011143320A3 Dc pass rf protector having a surge suppression module |
| 02/23/2012 | WO2011102777A8 Current control device, a charging station, and a method therefor |
| 02/23/2012 | US20120044608 Receiver circuit with high input voltage protection |
| 02/23/2012 | US20120044607 Overvoltage and Overcurrent Protection Scheme |
| 02/23/2012 | US20120044599 Surge Suppression Circuit for a Load Control Device |
| 02/23/2012 | US20120043925 Protection circuit for battery and battery charger apparatus using the same |
| 02/22/2012 | EP2421110A1 Directional detection of an earth fault with a single sensor |
| 02/22/2012 | EP2419748A1 Method and apparatus for detecting a fault in an active line, neutral return line or earth return path of an electrical network |
| 02/22/2012 | CN202150693U 电流过载可恢复电磁调速电机控制装置 Current overload restore electromagnetic motor speed control device |
| 02/22/2012 | CN202150691U 一种用于小功率电器的电源保护电路 A small power electrical power supply protection circuit |
| 02/22/2012 | CN202150688U 一种足浴器的漏电保护电路 One kind of foot bath leakage protection circuit |
| 02/22/2012 | CN202150687U 智能电源保护器 Intelligent Power Protector |
| 02/22/2012 | CN202150686U Electrified detection circuit used for forced blocking device |
| 02/22/2012 | CN202150685U 节能安全控制电路 Saving safety control circuit |
| 02/22/2012 | CN202150684U 电磁铁电流过流检测保护电路 Solenoid current protection circuit overcurrent detection |
| 02/22/2012 | CN202150683U 一种电暖桌的安全保护装置 An electric heater safety devices table |
| 02/22/2012 | CN102362405A Circuit breaker having detection of the aperiodic current change |
| 02/22/2012 | CN102361319A IGBT (Insulated Gate Bipolar Translator) short circuit protection detection circuit based on driving chip |
| 02/22/2012 | CN102361317A Leakage protection test circuit |
| 02/22/2012 | CN102360037A Monitoring device for electric leakage of power supply and protection system for electric leakage of power supply |
| 02/22/2012 | CN101390265B 电流差动继电装置和其信号处理方法以及输电线保护系统 Current differential relay device and its signal processing method, and transmission line protection system |
| 02/21/2012 | US8122108 Database-less leasing |
| 02/21/2012 | US8120887 MOS transistor triggered transient voltage suppressor to provide circuit protection at a lower voltage |
| 02/21/2012 | US8120884 Reverse voltage protection circuit |
| 02/21/2012 | US8120883 Protective device with improved surge protection |
| 02/21/2012 | US8120882 Protective electrical wiring device with light |
| 02/16/2012 | WO2012021351A1 Battery optimization and protection in a low power energy environment |
| 02/16/2012 | WO2012020571A1 Electronic circuit |
| 02/16/2012 | WO2012019985A1 Fault parameter indicator device and related methods |
| 02/16/2012 | US20120039011 Transmission device for a wind turbine |
| 02/16/2012 | US20120039009 Integrated protection circuit |
| 02/16/2012 | US20120039008 Over-voltage protection circuit |
| 02/16/2012 | US20120039006 Compressor Protection And Grid Fault Detection Device |
| 02/16/2012 | US20120039005 Current controller and protection circuit |
| 02/16/2012 | US20120039003 Bipolar photovoltaic array grounding apparatus and method |
| 02/16/2012 | DE102010034001A1 Direct current (DC) fault current detection and deactivation arrangement for earth-leakage circuit breaker, has magnetic trigger element to open switching contact by not canceling magnetic fluxes during existence of fault current |