Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
02/2014
02/26/2014CN203456861U Intelligent safety protection system for capacitor assembly device
02/26/2014CN203456859U Short-circuit protection circuit
02/26/2014CN203456852U Fee-control intelligent ammeter tripping loop protection circuit
02/26/2014CN203456849U A leakage protection breaker
02/26/2014CN203456848U Electric leakage detection and protection device for electric kettle
02/26/2014CN203456847U Overvoltage and undervoltage?judgment and protection device with lightning protection function
02/26/2014CN203456846U Water heater and earth wire detection device for water heater
02/26/2014CN203456845U Isolation LED backlight short circuit protection circuit and LED display equipment
02/26/2014CN203456844U Intrinsic safety controller of mining device
02/26/2014CN103607021A Portable solar mobile power source with MPPT function
02/26/2014CN103606910A Wide area information based fault self-healing method for dead zone of feeder outlet of distribution network
02/26/2014CN103606886A A novel intelligentized leakage relay
02/26/2014CN103606885A Anti-overheating electric leakage protection breaker
02/26/2014CN103606884A Over-current protection circuit, LED backlight drive circuit and liquid crystal display
02/26/2014CN103606883A A short circuit protection circuit
02/26/2014CN103606882A Novel 750kilovolt breaker energy storage motor control loop
02/26/2014CN103606491A Lightening-proof electric leakage breaker
02/26/2014CN102255276B Power supply protection device applied to vehicle-mounted electrical equipment
02/26/2014CN102148498B Digital subscriber line (DSL) protection circuit
02/26/2014CN101783503B Overvoltage protection circuit
02/25/2014US8659865 System and method for protection of electrical appliances
02/25/2014US8659864 Power semiconductor device current detector circuit and detection method
02/25/2014US8659863 Circuit protection device and protection method thereof
02/25/2014US8659862 Directional fault location and isolation system
02/25/2014US8659860 Transient voltage blocking for power converter
02/25/2014US8659859 Electrostatic discharge protection scheme for high-definition multimedia interface transmitters
02/25/2014US8659858 Ground-fault detecting device, current collecting box using the ground-fault detecting device, and photovoltaic power generating device using the current collecting box
02/25/2014US8659857 Leakage current detection and interruption circuit powered by leakage current
02/25/2014US8659856 DC arc fault detection and protection
02/25/2014US8659270 Battery pack overcharge protection system
02/20/2014WO2014027571A1 Digital protection relay, digital protection relay test device, and method for testing digital protection relay
02/20/2014WO2014026743A2 Method of diagnosing an operating fault of a power supply relay of an automotive vehicle computer
02/20/2014US20140049866 Method for Controlling a Transistor and Control Circuit
02/20/2014US20140049865 Soft Restarting of a Power Network Using Inverter-Controlled Energy Storage System
02/20/2014US20140049860 Earth fault detection circuit and power source device
02/20/2014DE102012214774A1 Electronic circuit for motor vehicle control unit, has secondary functional assembly with components and/or circuit units, in which malfunction due to polarity is not tolerated so that permanent damage and/or malfunction is caused
02/19/2014EP2698892A1 DC overcurrent protection device
02/19/2014EP2698079A2 Mains-linked power supply unit
02/19/2014EP2697879A1 Monitoring device for an isolated network of a photovoltaic system
02/19/2014EP2697878A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network
02/19/2014EP2697661A1 Method and apparatus for determining a fault current portion in a differential current
02/19/2014CN203445819U Intelligent energy saving motor for drag system of oil pumping unit of production well
02/19/2014CN203445786U Zero line judgment three-phase power supply module with overload protection
02/19/2014CN203445607U Mine power grid electricity leakage protection device
02/19/2014CN203445601U Control circuit and switch converter
02/19/2014CN203445598U Overload protection circuit of refrigerating unit
02/19/2014CN203445594U Novel explosion-proof type low-voltage selective electric leakage protector used for mining
02/19/2014CN203445593U Electric leakage safety protection circuit and electric scraper circuit
02/19/2014CN203445592U High-side output circuit with short-circuit protection
02/19/2014CN203445591U Low power consumption high precision single-phase power supply module with overload protection
02/19/2014CN203445590U Distribution protection circuit
02/19/2014CN203445589U Delay protection circuit for modem
02/19/2014CN103595021A High-power microwave active protection device
02/19/2014CN103595020A Earth fault breaker with safe display function
02/19/2014CN103595019A Method and device used for free tripping neutral pole of switch
02/19/2014CN103595018A Over-voltage protecting circuit, LED backlight drive circuit and liquid crystal displayer
02/19/2014CN103595017A System for accurately controlling voltage through digital display voltage meter
02/19/2014CN103595016A Current-limiting protection circuit
02/19/2014CN103595015A LED open-circuit protecting circuit
02/19/2014CN103595014A Protective device for photovoltaic power generation system
02/19/2014CN103595013A Power supply source fault-phase and default-phase protective circuit of corona processor
02/19/2014CN103594985A Junction box with temperature monitor
02/19/2014CN103594293A C type intelligent breaker having automatic closing function
02/19/2014CN103594282A Vibration switch and LED protection circuit applying same
02/19/2014CN103592550A Arc fault detection method and protection device
02/19/2014CN103587484A Electric vehicle charging connection device
02/19/2014CN102587734B Electromechanical dual-controlled intelligent lockset and door lock system
02/19/2014CN102510233B Multifunctional current impulse transmitter control method
02/19/2014CN102347168B Low-voltage intelligent circuit breaker with plastic shell
02/19/2014CN102201654B Overcurrent protection circuit
02/19/2014CN102136721B Multi-object optimized power supply recovery reasoning and searching method
02/19/2014CN102013661B 断路器 Breaker
02/18/2014US8655846 System and method for generating and managing quick recovery volumes
02/18/2014US8655500 Method and system for reducing feeder circuit loss using demand response
02/18/2014US8655499 Controlling virtual power circuits
02/18/2014US8654496 Trip unit including separable component to save and restore settings, and circuit breaker including the same
02/18/2014US8654495 Battery energy storage system with short circuit protection, and method
02/18/2014US8654494 Systems and methods for limiting voltage on an auxiliary bus
02/18/2014US8654493 Protection circuit and input/output circuit
02/18/2014US8654491 Low voltage ESD clamping using high voltage devices
02/18/2014US8654489 Method and apparatus for switched electrostatic discharge protection
02/18/2014US8654487 Methods, systems, and apparatus and for detecting parallel electrical arc faults
02/18/2014US8654486 Superconducting fault current limiter system
02/18/2014US8654485 Electronic ballast with protected analog dimming control interface
02/18/2014US8654484 Continuous power protection
02/18/2014DE202013100012U1 Fehlerstromschutzschalter Residual current circuit breakers
02/18/2014CA2463779C Control and protection module of an interrupter apparatus
02/13/2014WO2014025087A1 Earth leakage circuit breaker
02/13/2014WO2014023357A1 Device for connecting to a power network and method for protecting such a device
02/13/2014US20140043874 Circuit for controlling a latch mode of a pulse width modulation circuit and method thereof
02/13/2014US20140043715 Apparatus and methods for amplifier fault protection
02/13/2014DE102011083710B4 Prüfmittel für einen Schalter, insbesondere Leistungsschalter für Niederspannungen Test equipment for a switch, in particular circuit breakers for low voltages
02/12/2014EP2696461A2 Electromechanical apparatus and electrical switching apparatus employing electronic circuit to condition motor input power
02/12/2014EP2696460A1 Switchgear including a circuit breaker having a trip unit with an interface to a number of arc fault sensors
02/12/2014EP2695266A1 Residual-current circuit breaker
02/12/2014EP2695265A2 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
02/12/2014EP2695264A1 A switch mode current limiter
02/12/2014EP2694322A2 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
02/12/2014CN203435049U Hybrid signal help-seeking device
02/12/2014CN203434917U Motor fault tolerance driving control system capable of automatic fault repairing
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