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)
12/2010
12/23/2010US20100324747 Composite type electric circuit breaker and method thereof
12/23/2010US20100321849 Overstress protection apparatus and method
12/23/2010US20100321848 Combination current sensor and relay
12/23/2010US20100321847 Semiconductor power conversion apparatus
12/23/2010US20100321846 Semiconductor apparatus and temperature detection circuit
12/23/2010US20100321844 Voltage protection arrangement for an electronic device
12/23/2010US20100321836 Multi-pole arc-fault circuit interrupter
12/22/2010EP2264850A2 Thermal overload relay with trip classification
12/22/2010CN201682619U Mobile communication power supply outage monitor
12/22/2010CN201682274U Intelligent explosion-proof switch integrated protector
12/22/2010CN201682266U Short-circuit protection circuit of output end of electric pressure converter of electrocar
12/22/2010CN201682264U Leakage protector
12/22/2010CN201682263U Leakage protection device
12/22/2010CN201682262U Electric leakage protection device suitable for electric water heater
12/22/2010CN201682261U Overvoltage type leakage protector
12/22/2010CN201682260U Intelligent electric leakage detection protector
12/22/2010CN201682259U Intelligent integrated circuit with functions of leakage protection and reactive power compensation
12/22/2010CN201682258U Intrinsic safety type component
12/22/2010CN201682257U Explosion-proof total station instrument safety protection device and explosion-proof safety power supply
12/22/2010CN201681118U Output current detection device of high voltage electric field and electric potential therapeutic apparatus
12/22/2010CN101926069A Control unit for safely re-enabling ground fault interrupter
12/22/2010CN101926068A Overvoltage protection circuit and power supply system
12/22/2010CN101926067A Fault current limiter incorporating superconducting article
12/22/2010CN101925974A Fault current circuit breaker and method for carrying out self-test of fault current circuit breaker
12/22/2010CN101924363A Protection circuit for preventing misoperations and solar power generation system applying same
12/22/2010CN101924353A Overcurrent electronic protection module for high-voltage integrated gate commutated thyristor (IGCT) and short-circuit current protection method
12/22/2010CN101924347A Leakage protection grounding device for electronic foot basin with functions of health care and massage
12/22/2010CN101924346A Current and zero-sequence difunctional mutual inductor
12/22/2010CN101924345A Electrical switching apparatus providing coordinated opening with a circuit interrupter and method of operating the same
12/22/2010CN101924344A Multifunction control and protection switch device
12/22/2010CN101924343A Multifunctional circuit for controlling and protecting switching apparatus
12/22/2010CN101924342A Abnormal current detecting circuit for circuit breaker
12/22/2010CN101924341A Abnormal protection device of positive-negative double power supply circuit
12/22/2010CN101499642B Intelligent safety protection electric control apparatus
12/22/2010CN101294994B Three-phase four-wire system electric energy quantifier with overload protection
12/21/2010US7855865 Circuitry protection arrangement
12/21/2010US7855864 Switched mode power supply method and apparatus
12/21/2010US7855863 Driver with electrostatic discharge protection
12/16/2010WO2010142646A1 Fused protection circuit of an electric circuit
12/16/2010WO2010142129A1 Method for protecting resistive ac load from being shorted, device and switch
12/16/2010US20100315924 Over Current Protection Device
12/16/2010US20100315754 Transient voltage detection circuit
12/16/2010US20100315749 System for testing power supply unit
12/16/2010CA2763684A1 Circuit protection device for photovoltaic systems
12/15/2010EP2262072A2 Apparatus for preventing over/under voltage, light emitting module and display apparatus
12/15/2010EP2260556A1 Method and arrangement for generating an error signal
12/15/2010CN201674413U High-power DC power supply
12/15/2010CN201674268U Combined power supply system for warehouse ventilation equipment and mains supply
12/15/2010CN201674249U Energy-saving charging device
12/15/2010CN201674209U Bottom-cross, reverse-control and time-base circuit
12/15/2010CN201674207U Intelligent vehicle submergence early-warning notification and power-interrupting protection system
12/15/2010CN201674206U Electrical connection protector
12/15/2010CN201674204U Uninterrupted test residual current protection device
12/15/2010CN201674203U Electric wiring protective device
12/15/2010CN201674202U Over-voltage and under-voltage input protection circuit of switching power supply
12/15/2010CN201674201U Protection circuit in surge protective device for high definition camera
12/15/2010CN201674072U Movable earth leakage protection socket
12/15/2010CN201673881U 220v alternating-current power supply overvoltage protection circuit breaker
12/15/2010CN201673580U Energy-storage power failure warner
12/15/2010CN201673576U Alarm and emergency switching-off device of electric motor car battery system
12/15/2010CN1635679B Method of current transformer saturation identification and method of current differential protection on saturation thereof
12/15/2010CN101917057A Multi-functional serial voltage-stabilizing power supply
12/15/2010CN101916996A Power supply apparatus, power supply apparatus control method
12/15/2010CN101916985A Monitoring method of IGBT collector overvoltage double protection
12/15/2010CN101916984A IGBT intelligent driving module for new energy automobile and control method thereof
12/15/2010CN101916547A Driver for driving a plurality of light-emitting components and display equipment
12/15/2010CN101521373B Device and method for limiting short-circuit current
12/15/2010CN101447660B Automatic reclosing controller of general low-voltage circuit breaker
12/15/2010CN101373197B Method and apparatus for on-line monitoring over voltage
12/15/2010CN101345405B Protection circuit of power switch device
12/15/2010CN101217232B A total current type residual current operating device with functions of automatic tripping on element failures
12/14/2010US7852610 Flameproof apparatus using non-grounded energy-limiting barrier
12/14/2010US7852609 Electrical power strip
12/14/2010US7852607 Protection device with lockout test
12/14/2010US7852606 Self-testing circuit interrupting device
12/14/2010US7852605 Arc-flash hazard protection system for three-phase electrical distribution system
12/14/2010US7852090 Apparatus, system and methods for ground current detection
12/09/2010WO2010141645A1 Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection
12/09/2010WO2010140474A1 Protection device for load circuits
12/09/2010US20100309599 Lightning arrestor apparatus
12/09/2010US20100309597 Apparatus for preventing over/under voltage, light emitting module, and display apparatus
12/09/2010US20100309596 Control of operation of protection relay
12/09/2010DE102009024078A1 Gradientenkabelüberwachung Gradientenkabelüberwachung
12/08/2010EP2259402A1 Device and method for the earth-fault protecttion
12/08/2010EP2258031A2 Switching device and method for operating same
12/08/2010CN201667559U Household electricity leakage protection device with remote control terminal
12/08/2010CN201667533U Automatic central signal resetting circuit of transformer substation
12/08/2010CN201667529U Comprehensive third-level selective leakage protective module for fourth-level selective leakage system of IT partition power grid
12/08/2010CN201667528U Branch circuit selective leakage protective module for fourth-level selective leakage system of IT partition power grid
12/08/2010CN201667527U Multifunctional selective protection module for explosion-proof switch
12/08/2010CN201667526U Hand-held automatic reclosing leakage protection switch parameter setting device
12/08/2010CN201667525U Intelligent relay protective unit with wireless networking function
12/08/2010CN201667458U Multi-functional power protection safety converter socket and corresponding plug thereof
12/08/2010CN201666916U Active antenna current detection and short circuit protection circuit of satellite positioning time service receiving machine
12/08/2010CN1998117B Automatically-released over-voltage discharge device and its use
12/08/2010CN1996406B Separated heating device for ATM
12/08/2010CN1879273B Automatic transfer switch and protection device
12/08/2010CN101911421A Load restoration for feeder automation in electric power distribution systems
12/08/2010CN101911418A Module mechanically linkable to a circuit breaker
12/08/2010CN101911417A Nonvolatile status indicator switch
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