Patents
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)
01/2013
01/23/2013CN102891512A Control chip of mobile power supply and working control method of mobile power supply
01/23/2013CN102891480A Protection coordination system with current limiter
01/23/2013CN102891479A Method for locking a switch
01/23/2013CN102891478A Line load distributing device and method for distribution network automation system
01/23/2013CN102891477A Battery protection circuit
01/23/2013CN102891476A Communication standby lithium alternating-current power supply device, battery discharging protection system and method
01/23/2013CN102891475A 三相自动开关 Three-phase automatic switch
01/23/2013CN102891474A One-point grounding protective device of alternating-current and direct-current injection type rotors and protection method thereof
01/23/2013CN102891473A Power system differential protection method and system for aircraft electric power source
01/23/2013CN102887076A Drive system and method for operating such drive system
01/23/2013CN101882782B Method for calculating reliability of relay protecting system
01/23/2013CN101728857B Uninterruptible power supply and method for selective tripping uninterruptible power supply
01/23/2013CN101540550B Circuit device with full-voltage starting, partial-voltage work and power-off delay
01/23/2013CN101339981B Accumulator with fuse protector
01/22/2013US8358036 Generator set control system
01/17/2013WO2013009985A1 Transient voltage blocking for powerconverter
01/17/2013WO2013009968A1 Automatic power converter bypass
01/17/2013WO2013007414A1 Method, regulating and/or control unit, and parking brake having a regulating and/or control unit of said type for adjusting a parking brake in a vehicle
01/17/2013WO2013007151A1 Control protection method, device and system for series capacitor device
01/17/2013WO2013007134A1 Short-circuit current limiting and protection device for electrical circuit
01/17/2013WO2012156799A3 Trip unit including separable component to save restore settings, and circuit breaker including the same
01/17/2013US20130016542 Electric power conversion device and surge voltage suppressing method
01/17/2013US20130016541 Ac/dc converter station and a method of operating an ac/dc converter station
01/17/2013US20130015796 Converter for an electrical machine, controller and method for operating a converter
01/17/2013DE102011079120A1 Battery management system for battery of motor vehicle, has cell monitoring unit for monitoring multiple battery cells of battery module, where cell monitoring unit has microcontroller and conducting chip
01/17/2013DE102011078923A1 Verfahren zum Regeln der Drehzahl eines elektrischen Antriebsmotors eines Haushaltsgeräts und Haushaltsgerät A method for controlling the speed of an electric drive motor of a household appliance and home appliance
01/17/2013DE102011078921A1 Method for operating e.g. brushless direct current motor of laundry dryer, involves switching-off drive motor if operating temperature exceeds threshold value, where threshold value is adjusted based on operational program of appliance
01/17/2013DE10009618B4 Batterieeinheit Battery pack
01/16/2013CN202679732U LED constant current driver with battery automatic detection protection
01/16/2013CN202679306U Device for controlling motor using frequency converter and PLC
01/16/2013CN202679260U Overheat-protection type communication power supply module
01/16/2013CN202679250U Direct-current source
01/16/2013CN202679232U Low temperature drift starting and under-voltage over-voltage protection reuse circuit, and switch power supply with application of the same
01/16/2013CN202679077U Intelligent power distribution cabinet remote control device
01/16/2013CN202679073U HP-9000 type switching station fault processing system
01/16/2013CN202679064U Backup power supply auto-switching equipment for identifying bus fault area
01/16/2013CN202679017U Intelligent photovoltaic controller
01/16/2013CN202679007U Modularized storage battery charging management system
01/16/2013CN202678992U Lithium iron phosphate uninterrupted power supply device for coal mine underground monitoring and control
01/16/2013CN202678951U HP-9030 distribution network grounding and short-circuit fault isolation and protection device
01/16/2013CN202678950U Demarcation switch controller
01/16/2013CN202678949U 110kv circuit protection system capable of avoiding multi-reclosing failures
01/16/2013CN202678948U Secondary circuit for inlet wire relay protection device
01/16/2013CN202678947U Improved switch control 'two-out-of-three' locking loop
01/16/2013CN202678946U Power supply failure recoil protection circuit
01/16/2013CN202678945U Waterproof protector of lithium battery
01/16/2013CN202678944U Charging and discharging protection circuit of rechargeable battery
01/16/2013CN202678943U Protective circuit for multiple lithium batteries
01/16/2013CN202678942U Overvoltage protection capacitor apparatus
01/16/2013CN202678941U Capacitor set self-adaption protective device
01/16/2013CN202678940U An overvoltage protection circuit
01/16/2013CN202678939U Rotation blockage-preventing protective device of direct current fan controller
01/16/2013CN202678938U Motor overload protection circuit for motor-driven oil well pump
01/16/2013CN202678937U Overcurrent protection device of automatic mahjong machine
01/16/2013CN202678936U 砂浆罐控制系统 Mortar Tank Control System
01/16/2013CN202678935U Electric tool multifunctional protection controller
01/16/2013CN202678934U De-excitation and overvoltage protection device of silicon controlled rectifier (SCR) rectification excitation system
01/16/2013CN202678928U Device for arc extinction, resonance elimination, wire selection and overvoltage protection
01/16/2013CN202672897U Protecting device of car door lock motor
01/16/2013CN202665177U Electric curtain contactless limiting protection switch
01/16/2013CN102884696A Improved surge protection
01/16/2013CN102882452A Micro-power consumption singlechip-based control device and method for high-voltage direct current motor
01/16/2013CN102882396A Three-bypass high-power rectifier power supply and control method for same
01/16/2013CN102882387A Energy-saving protection device for alternating current contactor
01/16/2013CN102882380A Multi-path output flyback power supply with output short-circuit protection function and protection method
01/16/2013CN102882341A Handheld brushless electric tool with outer rotor
01/16/2013CN102882252A Battery pack system and protection device thereof
01/16/2013CN102882250A Field charger for lithium battery of mobile phone
01/16/2013CN102882197A DG (distributed generation)-containing power distribution network distributed protection and control method
01/16/2013CN102882196A Fault isolation method for distribution network containing distributed power sources
01/16/2013CN102882195A Intelligent longitudinally-interconnected feeder automation system
01/16/2013CN102882194A Optical fiber comprehensive error protection device of high-tension transmission line
01/16/2013CN102882193A Method and system for traveling wave protection setting of high-voltage direct-current transmission line
01/16/2013CN102882192A Technical method for relay protection of ''logic identification point protection group of 0 and 1 statuses'' of electrical substation
01/16/2013CN102882191A Fixed value setting method for impedance element
01/16/2013CN102882190A Distribution network line protection setting calculation method and device
01/16/2013CN102882189A Intelligent controller for circuit breaker
01/16/2013CN102882188A Centralized digital 35kV single-bus unit protection measurement and control system for 500kv substation
01/16/2013CN102882187A Photovoltaic inverter protection device and method based on CPLD (complex programmable logic device)
01/16/2013CN102882186A Novel temperature sensing type air current switch
01/16/2013CN102882185A Comprehensive relay protection method for single element zero sequence transverse differential current of large generator
01/16/2013CN102882184A Protection equipment for power transformer
01/16/2013CN102882133A Intelligent arc light protection and double-layer reactive compensation switch cabinet
01/16/2013CN102881725A Metal oxide semiconductor (MOS) tube, manufacture method thereof and application of MOS tube in battery protection circuit
01/16/2013CN101964515B Method for converting boundary element by extra-high voltage direct current transmission line mode voltage S
01/16/2013CN101951021B Railway power line fault automatic isolation system and method
01/16/2013CN101944719B Detection system and detection method of capacitance sleeve pipe
01/16/2013CN101916988B Intelligent protective loop framework system and intelligent protecting method of power supply looped network
01/16/2013CN101895138B Method and system for storage battery management
01/16/2013CN101771265B Method for configuring protection device of generator-transformer unit
01/16/2013CN101752844B Device, system and method for protection of battery set
01/16/2013CN101438489B Control unit for an electric motor
01/15/2013US8355845 Method for controlling an actuator
01/15/2013US8355817 Robot system
01/15/2013US8355267 Method of detection for output short circuit of a flyback power supply
01/15/2013US8355230 Extended instantaneous protection
01/15/2013US8355226 Ground fault sensing device
01/15/2013US8354809 Controller for a motor and a method of controlling the motor
01/15/2013US8353678 Controller for a motor and a method of controlling the motor
01/15/2013US8353172 Control device, method, and program of permanent-magnet type synchronous motor
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