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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01/27/2010 | CN201393045Y Single-phase intelligent safety-protection electronic control device |
01/27/2010 | CN201393044Y Relay protective device |
01/27/2010 | CN201392370Y Mimic-disconnecting switch used for protecting tester |
01/27/2010 | CN101635447A Circuit load loop electronic monitor |
01/27/2010 | CN101635446A Method for processing sample data based on waveform fitting and secondary sampling |
01/27/2010 | CN100586017C Switch voltage stabilizer |
01/27/2010 | CN100585974C Distribution circuit electric voltage over-deviation protectors |
01/27/2010 | CN100585658C CAN bus data collector |
01/26/2010 | US7653516 System and method of establishing a reliability characteristic |
01/26/2010 | US7652863 Semiconductor integrated circuit |
01/26/2010 | US7652862 Hardware based over-current protection circuitry for power distribution systems |
01/26/2010 | US7652861 Overcurrent detecting circuit and reference voltage generating circuit |
01/26/2010 | US7652859 Intelligent electronic device with integrated pushbutton for use in power substation |
01/26/2010 | US7652566 Arc wave generator for testing an arc-fault circuit interrupter |
01/24/2010 | CA2672279A1 Arc detection using discrete wavelet transforms |
01/22/2010 | CA2673162A1 Improved coupling of communications signals to a power line |
01/21/2010 | WO2010006868A1 Method for performing a self-test by a residual current operated device, and residual current operated device |
01/21/2010 | WO2010006632A1 Method for producing a fault signal and electric protective device |
01/21/2010 | US20100014205 Multiple operating voltage electrical surge protection apparatus |
01/21/2010 | US20100014203 Monitoring Method, Circuit, and System |
01/21/2010 | US20100014202 Control Circuit for a Power Field-Effect Transistor and Method for Configuring a Control Circuit for a Power Field-Effect Transistor |
01/21/2010 | US20100014201 Logic output stage of integrated circuit protected against battery inversion |
01/21/2010 | US20100014197 Method and apparatus of detecting and compensating for dc residual fault currents on electrical systems |
01/21/2010 | US20100013394 Ciruitry for portable lighting devices and portable rechargeable electronic devices |
01/21/2010 | DE102008033804A1 Arrangement for switching of short-circuit current in low voltage system for three-phase supply network, has actuators connected with voltage intermediate circuit, where energy required for controlling actuators is provided from conductors |
01/20/2010 | EP2146430A1 Overcurrent protection device |
01/20/2010 | EP2145369A1 Zero sequence current generator |
01/20/2010 | EP2145367A1 Method for determining an adjustment value indicating a ground impedance and measurement device |
01/20/2010 | EP2145343A1 Switching device installable according to different operating configurations |
01/20/2010 | EP1310031B1 Instant tripping device for short circuits in electrical dc and ac networks of surface and underwater vessels, especially combat vessels, and offshore installations |
01/20/2010 | CN201388282Y Electronic alarming type TBU security unit |
01/20/2010 | CN201388074Y Brushless controller capable of automatically charging |
01/20/2010 | CN201388050Y Surge protection device |
01/20/2010 | CN201388042Y Central high-voltage switch equal-height cabinet |
01/20/2010 | CN201388041Y Control circuit of circuit breaker automatic tripping reset structure |
01/20/2010 | CN201388040Y Electricity rationing controller |
01/20/2010 | CN201387994Y Modular distribution cabinet with grounding knife switch |
01/20/2010 | CN201387106Y Novel central air conditioning boost module |
01/20/2010 | CN101630831A Electromagnetic undervoltage release |
01/20/2010 | CN101630830A Electrical load switching-off and switching-on control method |
01/20/2010 | CN100583592C Method, device and apparatus for multiple output distribution |
01/20/2010 | CN100583574C Jack device for traveling |
01/20/2010 | CN100583571C Full-function secure plug |
01/20/2010 | CN100582797C Method and system for identifying faulted phase |
01/19/2010 | US7649724 Protective circuit for a converter |
01/19/2010 | US7649723 ESD protection substrate and integrated circuit utilizing the same |
01/19/2010 | US7649722 Electrostatic discharge protected circuits |
01/19/2010 | CA2474587C Apparatus and methods for restoring traffic during failover in a cable head end |
01/14/2010 | WO2010005987A2 Fault circuit interrupter device |
01/14/2010 | WO2010004260A1 Circuit breaker |
01/14/2010 | WO2010003281A1 Method and system for rearranging sound conductors in parallel lines in power transmission |
01/14/2010 | US20100008008 Discharge gap device and power supply device |
01/14/2010 | US20100008007 Single-Supply Single-Ended High voltage Peak Detector |
01/14/2010 | US20100008006 Power device and safety control method thereof |
01/14/2010 | US20100008005 Apparatus, system, and method for lossless reverse voltage protection |
01/14/2010 | US20100008004 Electrical Over/Under Voltage Automatic Disconnect Apparatus and Method |
01/14/2010 | US20100008000 Ground fault protection circuit for multi-source electrical distribution system |
01/14/2010 | US20100007321 Dynamic electrical converter system |
01/14/2010 | CA2730014A1 Fault circuit interrupter device |
01/13/2010 | EP2144345A1 Power supply system for a three-phase motor with permanent magnets |
01/13/2010 | CN201383774Y Solar energy portable mobile power supply |
01/13/2010 | CN201383761Y Grounded power supply circuit |
01/13/2010 | CN201383693Y Solar charge/discharge controller |
01/13/2010 | CN201383677Y Solid decoupling device |
01/13/2010 | CN201383670Y Digital-type intelligent malignant load recognizer |
01/13/2010 | CN201383669Y Zero-crossing protection relay |
01/13/2010 | CN201383668Y Over-current protection circuit and motor controller applied to same |
01/13/2010 | CN201383667Y DC system intelligent integrated relay |
01/13/2010 | CN201383666Y USB interface protection circuit |
01/13/2010 | CN100581019C Remote short circuit failure detection method for low voltage power grid and sensitivity protection module |
01/12/2010 | US7647525 Resumption of operations following failover in connection with triangular asynchronous replication |
01/12/2010 | US7646578 Filter circuit and filter device |
01/12/2010 | US7646577 Power plugging device with a function of releasing charges from electric surges |
01/12/2010 | US7646576 Apparatus and method for high-voltage transient blocking using low voltage elements |
01/12/2010 | US7646575 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units |
01/12/2010 | US7646574 Voltage regulator |
01/12/2010 | US7646572 Aircraft system and method of arc fault protection for an aircraft system |
01/07/2010 | WO2010001057A2 Method for electrically securing an electrical power supply of an electrically controlled lighting system or system with variable optical properties and use of the electrically secured system |
01/07/2010 | WO2009126669A3 Quarter wave stub surge suppressor with coupled pins |
01/07/2010 | US20100002350 Protective device and method for its operation |
01/07/2010 | US20100002349 By-pass diode structure for strings of series connected cells of a photovoltaic panel |
01/07/2010 | US20100002348 Distributed bus differential protection using time-stamped data |
01/07/2010 | US20100002347 Street furniture safety device |
01/07/2010 | US20100002343 ground fault interrupts for solid state power controllers |
01/07/2010 | DE102008022744B4 Schaltungsanordnung und System zum Einsatz in einem Kraftfahrzeug A circuit arrangement and system for use in a motor vehicle |
01/07/2010 | DE102005006100B4 Sicherheitsschaltung und Verfahren zur Absicherung einer elektronischen Schaltungsanordnung vor Beschädigung bei Verpolung einer angeschlossenen Energieversorgungseinheit Safety circuit and method for securing electronic circuitry from damage due to reverse polarity of a connected power supply unit |
01/06/2010 | EP2141780A1 Phase control switch and switching pole control method in phase control switch |
01/06/2010 | EP2140277A1 Method and apparatus for communicating loss of alternating current power supply |
01/06/2010 | CN201378730Y Power circuit breaker protective circuit |
01/06/2010 | CN201378726Y Keying pulse trigger circuit |
01/06/2010 | CN201378725Y Intelligent controller for power comprehensive protection |
01/06/2010 | CN201378724Y Safety barrier circuit |
01/06/2010 | CN201378663Y Module-type safe power socket board |
01/06/2010 | CN101622765A Voltage protection arrangement for an electronic device |
01/06/2010 | CN101622764A Apparatus for monitoring discharge processes in a conductor of a medium-voltage or high-voltage system |
01/06/2010 | CN101621196A Automatic power-measuring product |
01/06/2010 | CN101621195A Settings emulator for a circuit interrupter trip unit and system including the same |
01/06/2010 | CN100578884C Electric power terminal protectors with automatic load detection |
01/06/2010 | CN100578241C Method and device for oriental insulating barrier in isolated offground AC network |
01/05/2010 | US7643264 Power supply controller and method for controlling power supply circuit |