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