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)
11/2013
11/21/2013US20130308237 Vehicle electrical system fault detection
11/21/2013US20130308236 Overvoltage protection circuit
11/21/2013US20130308234 Electrostatic discharge clamp compatible with a fast ramping supply
11/21/2013US20130307327 Device for Connecting a Batter to an Electric or Hybrid Vehicle, and Battery Housing Comprising Said Connection Device
11/20/2013EP2664045A2 Method for operating a recloser
11/20/2013EP1935072B1 A ground-fault circuit-interrupter system for three-phase electrical power systems
11/20/2013CN203301127U Protective circuit with alarm and leakage detection function
11/20/2013CN203301126U Leakage protector for preventing low voltage inverse power transmission
11/20/2013CN203301125U Misoperation-prevention power distribution system for co-location building of communication base station during lightning strike
11/20/2013CN203301124U Pitch-regulated system protective circuit
11/20/2013CN203301123U Overvoltage and undervoltage detection and delay protection circuit
11/20/2013CN203301122U High speed switch automatic detection and protection device of direct current electric locomotive
11/20/2013CN203301121U Protective circuit capable of adjusting rated voltage and rated current
11/20/2013CN203301120U Burnt-up proof automatic protection device for high voltage circuit breaker opening and closing coil
11/20/2013CN203301119U Anti-jumping circuit
11/20/2013CN203301118U Anti-jumping circuit and circuit board
11/20/2013CN203300962U Intelligent protective high-voltage charge control metering cabinet for power grid
11/20/2013CN203300018U Electric bridge type voice alarm capable of realizing automatic circuit break after short circuit
11/20/2013CN203299660U Multiple protection drying and heating device for intelligent toilets
11/20/2013CN103403990A A current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation system
11/20/2013CN103403989A A control device for controlling a circuit breaker, and methods
11/20/2013CN103403831A Fail-safe ground fault circuit interrupter
11/20/2013CN103403830A Current-rise limitation in high-voltage DC systems
11/20/2013CN103401250A Multifunctional intelligent device for compensating reactive power and adjusting active power
11/20/2013CN103401220A Novel switch power supply short-circuit protection circuit and protection method
11/20/2013CN103401215A Over-voltage and under-voltage protection circuit, protection socket and terminal
11/20/2013CN103401214A Electric leakage detection protection circuit with timing self-checking function
11/20/2013CN103401213A Special electricity larceny prevention device of induction lamp illuminating system
11/20/2013CN103401212A Television lightning protection device
11/20/2013CN103401211A Direct-current load overvoltage overcurrent protection device
11/20/2013CN103401210A Automatic reclosure micro circuit breaker with load control signal control function
11/20/2013CN103401209A LED (light emitting diode) backlight short-circuit protection circuit
11/20/2013CN102510122B Multi-power supply control devices and system thereof
11/20/2013CN102377172B Three-phase program controlled power source and power amplifier tube short-circuiting protective circuit thereof
11/20/2013CN102306924B Leakage detecting protection circuit capable of periodically automatically detecting function integrity
11/20/2013CN102290688B Energy-saving socket favorable for realizing zero power consumption in standby or off state of external load
11/20/2013CN102064518B High-sensitivity current measurement and control device
11/20/2013CN101911418B Module mechanically linkable to a circuit breaker
11/20/2013CN101567548B Circuit breaker zone selective interlock for differentiated faults and method of operation
11/20/2013CN101562325B Circuit breaker having seperate restrained and unrestrained zone selective interlock setting capability
11/19/2013US8588988 Method and apparatus for executing secondary functions on an electrical switchgear device
11/19/2013US8587912 Electric circuit protection system and method for protecting an electric circuit
11/19/2013US8587911 Service line safety monitor
11/19/2013US8587910 Function module and coupling module for a switch device control and system for switch device control
11/19/2013US8587906 Photovotaic system including hybrid bi-directional DC contactors and method of detection and isolation of faults therein
11/14/2013WO2013167310A1 Module unit, compound and method for monitoring a power supply network
11/14/2013WO2013167199A1 Method and apparatus for clearing a fuse in a single output multi load configuration
11/14/2013WO2013059611A3 Modular battery disconnect unit
11/14/2013US20130303094 Radio transmission modules having intrinsic safety
11/14/2013US20130301178 Control Circuit and Synchronous Protection Control System
11/14/2013US20130301177 System and method for overvoltage protection
11/14/2013US20130301176 Protection circuit for a cascode switch, and a method of protecting a cascode switch
11/14/2013US20130301175 Power switch with reverse current blocking capability
11/14/2013US20130301168 Device and method for estimating a touch current and protecting an electrical apparatus against such touch currents
11/14/2013US20130301166 Method of measurement for detecting a fault of a three-phase zone
11/13/2013CN203289185U Automatic discrimination apparatus for bus short circuit fault of transformer station electric system
11/13/2013CN203289101U Intelligent electricity use monitor
11/13/2013CN203289090U Backup protection device for novel surge protector
11/13/2013CN203289081U Protective device for abnormal shutdown of novel water wheel generator
11/13/2013CN203289077U Power direction type electric leakage protection device
11/13/2013CN203289076U Default phase protection device
11/13/2013CN203289075U Overvoltage protection circuit
11/13/2013CN203289074U Power supply direct-supply protection circuit and set-top box
11/13/2013CN203289073U Electric leakage protection system for mine power distribution network
11/13/2013CN203289072U Electro-hydraulic servo valve over-current protector
11/13/2013CN203289071U An overcurrent protection circuit of a motor controller
11/13/2013CN203289070U An overcurrent protection circuit
11/13/2013CN203289069U Current detection protective device
11/13/2013CN203289068U DC overcurrent intelligent protector based on power FET turn-on resistance
11/13/2013CN203289067U Novel surge protector
11/13/2013CN203289066U Intelligent controller trip circuit for automatically-reclosing moulded case circuit breaker
11/13/2013CN203289065U Trip circuit for magnetic flux converter
11/13/2013CN203289064U Ground power-off switching device of polishing machine
11/13/2013CN203289063U ATM intermittent operation power equipment protection circuit
11/13/2013CN203288891U Safety earthing universal self-inspection socket faulted neutral wire protector
11/13/2013CN103392067A A wind turbine fault detection circuit and method
11/13/2013CN103390879A Alternating current power supply input high voltage protection device
11/13/2013CN103390878A Lamp power output overvoltage protection circuit and lamp
11/13/2013CN103390877A Overcurrent detection and protection circuit
11/13/2013CN103390876A Emergency energy supply device and method for supplying emergency energy
11/13/2013CN103386934A Power supply device and power supply method of vehicle-mounted electronic device
11/13/2013CN102231515B Control protection method, device and system for series capacitor device
11/13/2013CN101908448B Current transformer with integrated actuator
11/13/2013CN101599629B Universal trip unit
11/12/2013US8583954 Power source coupling and decoupling in medical device
11/12/2013US8582273 Surge absorbing circuit and electric device using the same
11/12/2013US8582272 Protection circuit for protecting light-emitting diodes of laser emitter and protection method
11/12/2013US8582271 Over-voltage protection for power and data applications
11/12/2013US8582267 System and method to limit in-rush current
11/12/2013US8582265 Protection circuit and method for electronic devices
11/12/2013US8582264 Overvoltage protection element
11/12/2013US8582258 Electrostatic discharge protection circuit for integrated circuits
11/12/2013US8581449 Portable power source to provide power to an electronic device via an interface
11/12/2013CA2363743C Fault interrupter using microcontroller for fault sensing and automatic self-testing
11/07/2013WO2013166388A1 Electrical safety device
11/07/2013WO2013166088A2 Non-sequential monitoring of battery cells in battery monitoring systems, and related components, systems, and methods
11/07/2013US20130297088 Method and apparatus for providing a power factor correction (pfc) compatible solution for nonsinusoidal uninterruptible power supply (ups)
11/07/2013US20130293996 System and method for protecting an appliance junction
11/07/2013US20130293995 Non-sequential monitoring of battery cells in battery monitoring systems, and related components, systems, and methods
11/07/2013US20130293994 Circuit Breaker for Protecting an Electrical System
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