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)
04/2014
04/02/2014CN203522130U Electric leakage automatic power off device of dish-washing machine
04/02/2014CN203522129U Under-voltage protection device
04/02/2014CN203522128U Lightning proof device for computer control place or electrical appliance power supply place
04/02/2014CN203522127U Electrical equipment voltage protection circuit with simple structure
04/02/2014CN203522126U Electric power overvoltage protection circuit used for industrial injection machine
04/02/2014CN203522125U Relay control type null line breaking protector
04/02/2014CN203522124U Short circuit protection circuit and DC power supplying device
04/02/2014CN203522123U Self-recovery LED backlight short circuit protection circuit and self-recovery short circuit protection device
04/02/2014CN203522122U Load line fault detection circuit applied to circuit breaker reclosing
04/02/2014CN203522121U Device for enhancing high-voltage side circuit auto-reclosing correct operation
04/02/2014CN203522120U Circuit breaker failure protection circuit
04/02/2014CN203522119U LED backlight short circuit protection circuit and LED display device
04/02/2014CN203522118U Contact adhesion automatic scram protection device for AC contactor of single-beam bridge type crane
04/02/2014CN203521788U Electric leakage over-current protection socket
04/02/2014CN203520221U Direct-current regulated power supply for infrared camera
04/02/2014CN103701199A Parallel changeover control system with closed-loop switch-off protection
04/02/2014CN103701109A Direct-current power supply lightning protection box circuit
04/02/2014CN103701093A Photovoltaic fire-proof circuit breaker and photovoltaic circuit breaking method
04/02/2014CN103701092A Insulation resistance detection and ground protection device of DC electric system
04/02/2014CN103701091A Electric leakage controller for circuit breaker
04/02/2014CN103701090A Software control method of defending load end short circuit of photovoltaic energy storage inverse control all-in-one machine
04/02/2014CN103701089A Hardware overload or short circuit protection circuit and DC (Direct Current) power supply circuit
04/02/2014CN103701088A Base station-powered, turning-off, high-precision and fast-reaction current protection circuit
04/02/2014CN103701087A On-track monitoring method for space single event latchup effect
04/02/2014CN103701086A Circuit protection device
04/02/2014CN103701085A Manual operation and automation brake-integrated intelligent leakage protector
04/02/2014CN103695957A Hydrogen production device with intelligent control function
04/02/2014CN103692984A Electromagnetic compatibility design method for products carried on vehicular system
04/02/2014CN102545137B Adaptive circuit for monitoring and protecting device of electric power system
04/02/2014CN102427219B Short circuit protection system and safe closing control method of three-level converter power tube
04/02/2014CN102368606B Leakage protection method of frequency converter and apparatus thereof
04/02/2014CN102315806B Smooth soft starting device of direct current motor
04/02/2014CN102208798B Novel electricity-saving protection circuit with electric leakage detection function
04/02/2014CN102208797B Novel protection circuit with electric leakage detection function
04/02/2014CN102074930B Electric leakage detection protective circuit
04/02/2014CN101944716B Electricity leakage detection protective circuit
04/02/2014CN101938111B Control device and control method for residual current circuit breaker
04/02/2014CN101867168B Power protecting circuit and LED lamp
04/02/2014CN101702517B Energy-saving outdoor grid current limiting device
04/02/2014CN101702508B Two-way blocking-up type surge protection device
04/01/2014US8688429 System for comparing real-time data and modeling engine data to predict arc flash events
04/01/2014US8687342 Method of surface charge distribution
04/01/2014US8687335 Electronic circuit breaker of a power supply having dual output ports
04/01/2014US8687334 Power feeding circuit
04/01/2014US8687333 Overcurrent limiting for high side solenoid switch controls
04/01/2014US8687331 Protection to avoid abnormal operation caused by a shorted parameter setting pin of an integrated circuit
04/01/2014US8687329 Anti-lightning protection for telephone connection
04/01/2014US8687328 Photovoltaic inverter with control for performing low voltage ride through
04/01/2014US8686738 Electrical safety devices and systems for use with electrical wiring, and methods for using same
04/01/2014DE202012104973U1 Anordnung zur unterbrechungsfreien Stromversorgung, nämlich Online-USV Arrangement for uninterruptible power supply, namely on-line UPS
04/01/2014CA2528778C Method for increasing the capacity of an installation used to carry out an industrial process
04/01/2014CA2515004C Circuit interrupting device with lock out and reversible wiring
03/2014
03/27/2014WO2014044297A1 Circuit for protecting an electric load against reverse voltage and over -voltage and bearing assembly comprising such a circuit
03/27/2014US20140085947 Off-line power converter and integrated circuit suitable for use in same
03/27/2014US20140085763 Fault detection and short circuit current management technique for inverter based distributed generators (dg)
03/27/2014US20140085761 Low power analog switch circuits that provide over-voltage, under-voltage and power-off protection, and related methods and systems
03/27/2014US20140085760 Active Clamp Protection Circuit For Power Semiconductor Device For High Frequency Switching
03/27/2014US20140085759 Power supply circuit and polarity reversal protection circuit
03/27/2014US20140085756 Protection circuit and electronic device using the same
03/27/2014US20140085096 Rail surge voltage protector with fail disconnect
03/27/2014US20140084828 Power supply system for vehicle
03/26/2014EP2711248A1 Dual-voltage onboard power supply system with excess voltage protection
03/26/2014EP2710700A1 System and method for protecting an electrical power grid
03/26/2014CN203504151U Motor overload controlling device
03/26/2014CN203504147U Power energy saving and emission reduction contrast device
03/26/2014CN203504146U Indirect type thermal overload protection device
03/26/2014CN203504145U Small electric-leakage breaker circuit
03/26/2014CN203504144U Electric leakage sampling circuit
03/26/2014CN203504143U Self-locking sound equipment power supply capable of preventing electricity pollution
03/26/2014CN203504142U Automatic control circuit used for aviation DC power supply circuit
03/26/2014CN203504141U Low power consumption outage protection switch
03/26/2014CN203504140U Inverse time lag type overvoltage protection device
03/26/2014CN203504139U Overvoltage protection device of water-turbine generator set
03/26/2014CN203504138U Multipurpose protective device for electrical appliance
03/26/2014CN203504137U Induction cooker with surge protection
03/26/2014CN203504136U Novel breaker
03/26/2014CN203504135U Circuit breaking protection system
03/26/2014CN203504134U Current circuit breaking protection device
03/26/2014CN203504133U Intrinsic safety association device for connecting non-intrinsic safety circuit and alternating current/direct current intrinsic safety circuit
03/26/2014CN203504132U Overcurrent protection device for mining mobile transformer station of flame-proof type
03/26/2014CN203504131U Capacitance absorber provided with alarming function
03/26/2014CN203504130U Illumination signal comprehensive protection device
03/26/2014CN203502569U Detection circuit with function of protection
03/26/2014CN103688434A Fault identification and location in a power supply line which is fed from one side
03/26/2014CN103687126A Lamp and lamp charging overvoltage protection circuit
03/26/2014CN103683924A Controller with protection function
03/26/2014CN103683493A Power electronic equipment failure self-healing device
03/26/2014CN103683228A Control method of breaker failure protection and automatic reclosing device
03/26/2014CN103683219A Lighting protection module
03/26/2014CN103683207A Under-voltage and over-voltage protection circuit for power supply circuit
03/26/2014CN103683188A Safety detection apparatus of solar energy inverter
03/26/2014CN103683187A Nuclear plant two-stage electric leakage fault protection method
03/26/2014CN103683186A Residual current breaker with self-tuning function
03/26/2014CN103683185A Electric leakage protection method, device and electronic device
03/26/2014CN103683184A Undervoltage-overvoltage protection device and method
03/26/2014CN103683183A Overvoltage protection circuit
03/26/2014CN103683182A Circuit arrangement used for electric protective device
03/26/2014CN103683181A Power distribution system and method for operating same
03/26/2014CN103683180A Methods, systems, and apparatus for automated maintenance mode switching
03/26/2014CN103683179A Switching device in current distribution system
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