Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
05/2012
05/30/2012CN102480266A Variable frequency speed regulation safety control device for mining industry
05/30/2012CN102480225A 直流电压供应装置 DC voltage supply means
05/30/2012CN102480172A Method for remotely modifying relay protection setting value
05/30/2012CN102480124A 继电保护设备的定值调整方法、装置及系统 Valuation adjustment method protection equipment, apparatus and systems
05/30/2012CN102480123A Current quick-break wireless protection system for high-voltage switch cabinet
05/30/2012CN102480122A 三相电动机断相保护装置 Three-phase motor phase failure protection device
05/30/2012CN102480121A 一种基于自恢复功能的负载过流保护方法 A load current protection method based on self-recovery capabilities
05/30/2012CN102480120A 一种异步电动机自适应控制及保护系统 An asynchronous motor adaptive control and protection system
05/30/2012CN101872958B Input voltage under-voltage protection circuit of switching power supply
05/30/2012CN101854054B Bus protection system of transformer station and protection method thereof
05/30/2012CN101826737B Battery charging control device and battery balance charging controller
05/30/2012CN101789695B Power supply changeover method and circuit thereof
05/30/2012CN101764395B Low-voltage protection method for lead-acid battery and power management system
05/30/2012CN101728819B Intelligent switch and control method thereof
05/30/2012CN101719663B Grounding line selection method, grounding line selection device and application system based on active component of zero sequence current
05/30/2012CN101714751B Differential protection method for introducing transformer tapping switch information
05/30/2012CN101707351B Protection circuit for preventing microcomputer protection device against interference and error actions
05/30/2012CN101697411B Method for protecting transient state energy of DC power transmission line
05/30/2012CN101666840B Method for detecting distortion degree of inrush current of transformer
05/30/2012CN101542856B Esd protection device
05/30/2012CN101471562B Protective circuit for locking single particle
05/30/2012CN101447683B Contactless multi-charger system and controlling method thereof
05/30/2012CN101379686B Method and circuit for adjusting voltage
05/30/2012CN101247038B Method and system for protecting voltage regulator driver circuitry during field coil short circuit condition
05/30/2012CN101068077B Shunt protection circuit and method therefor
05/30/2012CN101031449B Power output apparatus and vehicle having the same
05/29/2012US8190934 Solid state power controllers including current sensing circuitry is configured to bias a general signal to a predetermined level in order to substantially eliminate the offset error in an amplifier and an A/D converter
05/29/2012US8189354 Voltage converter with high efficiency
05/29/2012CA2423162C Power rectifier with power supply cut-off means
05/24/2012WO2012066799A1 Structure for output-stage film capacitor in power conditioner
05/24/2012WO2012065359A1 Islanding detection system for distributed generation based on power frequency carrier and detecting method thereof
05/24/2012WO2011131391A3 Circuit for connecting an electrical load to a control device
05/24/2012DE102010061763A1 Verfahren zum Laden einer Batterie A method for charging a battery
05/24/2012DE102010060623A1 Electrical device for driving mains-powered electric motor e.g. universal motor, of e.g. power screwdriver, has control unit using memory medium of device for determination of present value of force or rotational torque
05/24/2012DE102006021418B4 Verfahren zur Steuerung eines Schrittmotors und zum Erkennen einer Blockierung A method for controlling a stepper motor and for detecting a blockage
05/23/2012EP2455769A1 Capacitor abnormality detector
05/23/2012EP2087569B1 Adaptive relaying controlled by autonomous event detection
05/23/2012CN202231659U Toy lockset direct-current motor driving integrated circuit with temperature protection
05/23/2012CN202231618U Novel frequency converter
05/23/2012CN202231604U Small power IGBT driving circuit
05/23/2012CN202231552U Power transmission control system
05/23/2012CN202231495U High voltage electric power line real-time diagnosis and control system
05/23/2012CN202231450U Charge-discharge control circuit of battery of anti-explosion miner light
05/23/2012CN202231422U Digital line protection device
05/23/2012CN202231421U Total residual current action protector tripping system in distribution desk area
05/23/2012CN202231420U Well-protected IGBT driver
05/23/2012CN202231419U Dual-protection structure of over 220V breaker failure protection loop
05/23/2012CN202231418U Improved cell protection circuit and system for a plurality of serially connected cell units
05/23/2012CN202231417U Intelligent motor anti-blocking instrument
05/23/2012CN202231416U Electric window-opening device overload protection system
05/23/2012CN202231415U Electric motor protector device used for multifunctional pump
05/23/2012CN202231414U Vibrational temperature detection and protection device of motor
05/23/2012CN202231413U Remote control toy aircraft tail rotor motor and steering gear motor driving circuit
05/23/2012CN202231412U Generation-transformer group non-electricity quantity protection remote transmitting tripping device
05/23/2012CN202231411U Digital protection device for transformer
05/23/2012CN202231410U Protection device for automatic test equipment
05/23/2012CN202231409U Mining explosion suppression type long distance short circuit protective device
05/23/2012CN202230856U Transformer capable of preventing lightning stroke, overcurrent and overvoltage
05/23/2012CN202230168U Current-type circuit-detection automatic reclosing device
05/23/2012CN202230161U Constant value calibrator of series compensation protection device
05/23/2012CN202228328U Dual protector of compressor
05/23/2012CN102474106A 配电系统 Distribution system
05/23/2012CN102474095A 具有远程冗余保护功能的变电站自动化系统 Substation automation system with remote redundancy protection function
05/23/2012CN102474094A Electronic device with protection circuit
05/23/2012CN102473541A 分接开关 Tap changer
05/23/2012CN102468775A 一种电力机车列车供电柜 A power supply cabinet locomotive train
05/23/2012CN102468760A 电源供应器及其控制方法以及其所适用的电源供电系统 Power supply and control method and its application of power supply system
05/23/2012CN102468659A 充电控制系统及其方法 The charging control system and method
05/23/2012CN102468647A 配电箱的控制装置与控制方法以及配电箱 Control Devices and methods of distribution box and distribution box
05/23/2012CN102468646A 用于usb模拟开关的带电/掉电情况下的过压保护电路 Overvoltage protection circuit for charging usb analog switch / power-down case
05/23/2012CN102468645A 保护组件 Protection components
05/23/2012CN101895141B Primary power supply system
05/23/2012CN101877540B Three-switch alternating current brushless voltage regulation device
05/23/2012CN101840776B Secondary open-circuit over-voltage protection device of current mutual inductor
05/23/2012CN101814723B Harmonic wave and overtemperature protecting device of capacitor
05/23/2012CN101777825B Power supply devices
05/23/2012CN101752873B Protection method of DC electricity transmission high-voltage convertor station
05/23/2012CN101752848B Blocking judging method for excess voltage protection of extra-high voltage line
05/23/2012CN101751047B Shutdown temperature energy-saving control and protection method of motor
05/23/2012CN101741063B Redundancy sampling calculation-based superposed square-wave voltage type rotor earth-fault protection method
05/23/2012CN101719656B Adjusting method of differential protection during voltage adjustment of on-load transformer
05/23/2012CN101707353B Inverse time lag over excitation protection method of generator and transformer
05/23/2012CN101688355B A washer/dryer
05/23/2012CN101621255B Cascade connection energy-regenerative type high-voltage converter
05/23/2012CN101593965B Intelligent low-voltage motor protector with function of electric energy measurement
05/23/2012CN101521370B Current differential protection relay
05/23/2012CN101465615B Intelligent regulate and control system for rare-earth permanent magnet generator
05/23/2012CN101442203B Protection device for taking off cover of power battery
05/23/2012CN101431233B Detection protection circuit of constant power output power supply
05/23/2012CN101403391B Novel duplicate-power double-fan intelligent monitoring protection device
05/23/2012CN101375479B Semiconductor unit for protecting secondary battery, battery pack having the semiconductor unit built-in and electronic apparatus using it
05/23/2012CN101340075B Automatic switch control system for three-phase transmission line and electricity power control method thereof
05/23/2012CN101326695B A tool for generating fault response tolerances for a switching device
05/22/2012US8185251 Start/stop operation for a container generator set
05/22/2012US8184457 Switch mode power supply for in-line voltage applications
05/22/2012US8184418 Motor vehicle control device for regulating the pressure of the volumetric flow of a motor vehicle hydraulic apparatus and associated pressure regulation method
05/22/2012US8184413 Fault condition protection
05/22/2012US8184011 Visual indication of fault status, storage and clearance in an arc fault circuit interrupter (AFCI)
05/22/2012US8183808 Motor overload protecting method
05/22/2012CA2379009C Trace fuse for a battery termination
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