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)
05/2010
05/19/2010CN201478782U Residual current actuation protective relay
05/19/2010CN201478781U Broken-wire ignition detecting circuit for electric blanket heating wire
05/19/2010CN201478780U A setting emulator for a circuit interrupter tripping unit and a system including the same
05/19/2010CN201477582U Serial interface expander circuit
05/19/2010CN201477143U Power supply sampling circuit of release
05/19/2010CN201475945U Water loss protective device
05/19/2010CN101711447A 零序列电流发生器 Zero sequence current generator
05/19/2010CN101711070A LED direct-current input control circuit
05/19/2010CN101710729A Power supply module of elective leakage circuit breaker
05/19/2010CN101710709A Reactive power compensation integrated box of low-voltage distribution transformer
05/19/2010CN101710690A Anticreeping switch circuit
05/19/2010CN101710689A Method for protecting strong feed-in line current
05/19/2010CN101710688A Method for evaluating withstand current of high-resistant neutral point small reactor
05/19/2010CN101710687A Short circuit detection and protection system based on DSP
05/19/2010CN101710686A Electronic trip unit of a circuit breaker
05/19/2010CN101710685A Intelligent recloser
05/19/2010CN101710554A A-type intelligent circuit breaker with automatic switching-on function
05/19/2010CN101159373B Optical fiber longitudinal differential protecting equipment based on multiple terminals self-adapting sample-taking synchronization process
05/19/2010CN101114824B Linkage device for AC two-wire type solid state switch
05/19/2010CN101013811B Method and apparatus of single-phase fault line selection of duplicate supply looped network
05/19/2010CA2686175A1 Operational amplifier circuit and arc fault circuit interrupter including the same
05/18/2010USRE41343 Operational monitoring for a converter
05/18/2010US7719815 Surge absorber
05/18/2010US7719814 Semiconductor device with surge protection circuit
05/18/2010US7719812 Power converters with rate of change monitoring for fault prediction and/or detection
05/18/2010US7719810 Overvoltage protection circuit and electronic device
05/18/2010US7719809 Method and apparatus for distributing electrical power
05/18/2010US7719808 Power converters with operating efficiency monitoring for fault detection
05/18/2010US7719807 Field replaceable module for protection circuitry
05/18/2010US7719804 Protective device with improved surge protection
05/18/2010US7719803 Load driving device and electrical device using the same
05/14/2010WO2010052984A1 Photovoltaic power generation system
05/14/2010WO2010052540A1 Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same
05/14/2010WO2010052107A1 Method and device for activating monitoring by a jamming protection function in an electrical closing system
05/14/2010CA2742768A1 Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same
05/13/2010US20100118461 Overcurrent protection apparatus for load circuit
05/13/2010US20100118460 DC drive
05/13/2010US20100118459 System and Method for Protection Against Loss of Battery in Reverse Battery Protected Devices
05/13/2010US20100118458 Power Switching Arrangement
05/13/2010US20100118452 Safety device for prevention of electrical shocks
05/13/2010US20100118451 Multiple-pole circuit breaker with shared current sensor for arcing fault detection
05/13/2010US20100118450 Differential-current switch
05/13/2010US20100118449 Nulling current transformer
05/12/2010EP2184828A1 A detection circuit and a method for detecting a wrong power line connection
05/12/2010EP2184827A1 Charge monitoring device
05/12/2010EP2183832A1 Low capacitance semiconductor device
05/12/2010EP2183690A1 Configuration of intelligent electronic device
05/12/2010DE102009052212A1 System und Verfahren zum Schutz vor Batterieverlust in Geräten mit Verpolungsschutz System and method for protecting the battery loss in devices with reverse polarity protection
05/12/2010DE102009030724A1 Einstellungsemulator für eine Trennschalterauslöseeinheit und ein System, das diese beinhaltet Setting emulator for a circuit breaker trip unit and a system that includes this
05/12/2010DE102008054088A1 Electrical device e.g. intelligent sensor, for use in automation system, has selector switch selecting standard or exception effective path, where paths include function units for implementation of different safety requirement stages
05/12/2010DE102008043424A1 Power supply circuit for use in electronic control circuit of motor drive in motor vehicle, has electromagnetic compatibility filter attached between protection and control circuits such that filter capacitor operates as back- up capacitor
05/12/2010CN201467528U Low cost and high reliability LED open protective circuit
05/12/2010CN201467062U AC frequency conversion speed regulation control equipment of rotary drill rig
05/12/2010CN201466989U Optimization circuit of system power supply for wireless door bell
05/12/2010CN201466986U Switching power supplying device with function of preventing surging
05/12/2010CN201466730U Still idle work generator at power matching network side
05/12/2010CN201466676U Secondary grounding protector of electric power voltage transformer
05/12/2010CN201466675U Leakage detection protection circuit
05/12/2010CN201466674U Automatic protector for using electricity safely
05/12/2010CN201466673U Power-off alarm device
05/12/2010CN201466672U Power-fail protection circuit and system of entire automobile controller of electric automobile
05/12/2010CN201466671U Oil depot electric spark protection device
05/12/2010CN201466670U Open circuit protection device for secondary current circuit
05/12/2010CN201466669U Novel high-resolution medical monitor X-ray protective circuit
05/12/2010CN201466668U Standby electricity saver
05/12/2010CN201466667U Protective device of direct current (DC) power supply and load
05/12/2010CN201466666U VDSL-type photoelectric security unit
05/12/2010CN201466665U Quick switch and trigger vacuum switch-based fault current limiter
05/12/2010CN201466664U Intelligent cutoff with alarm
05/12/2010CN201466663U Voice prompting device for relay protection
05/12/2010CN201466539U Remote automation control high pressure measuring syntheses power distribution device
05/12/2010CN201466489U Protective cap for cable end socket and pressure plate of relay protection device
05/12/2010CN201466394U Leakage protection switch with ground wire protection device
05/12/2010CN201466386U Power socket
05/12/2010CN201466369U Induction type socket with complete switch-off function
05/12/2010CN201466359U Full-automatic energy-saving intelligent socket
05/12/2010CN201465940U Multifunctional minitype circuit breaker
05/12/2010CN201465687U Composite over-voltage protector and device thereof
05/12/2010CN201465241U Antitheft alarm device for exhibition and sale of electronic product
05/12/2010CN201464587U Residual current type monitoring detector for electrical fire protection
05/12/2010CN201463931U Explosion-proof temperature-moisture sensor
05/12/2010CN201463620U Camera device console in heating furnace
05/12/2010CN201462728U Novel light-emitting diode (LED) circuit protecting device
05/12/2010CN1922453B Refrigerating unit
05/12/2010CN1913273B Electric network ground montior
05/12/2010CN1909314B Electronic trip device with a power supply circuit means, and circuit breaker comprising such device
05/12/2010CN1897384B Method for detecting structural change of supply network
05/12/2010CN1877994B Soft-touch type multipoint control switch
05/12/2010CN1870380B Short-circuit fault current limitter
05/12/2010CN1761115B Method for intelligent recognizing and removing faults of powre system
05/12/2010CN1505862B Protection of electrical power lines
05/12/2010CN101707393A Automatic switching circuit of power supply
05/12/2010CN101707359A High-capacity intelligent high-speed breaking device
05/12/2010CN101707349A Electric shock protection method
05/12/2010CN101707348A Intelligent integrative circuit with electricity leakage protection and reactive compensation
05/12/2010CN101707347A Undervoltage protection circuit and LED drive circuit
05/12/2010CN101707346A Switch controller
05/12/2010CN101707345A Method for controlling switch controller
05/12/2010CN101707344A Signal acquisition controller
05/12/2010CN101707169A Electric operation mechanism for realizing automatic switching-on function of miniature circuit breaker
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