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)
10/2012
10/17/2012CN102739096A Photovoltaic grid-connected inverter
10/17/2012CN102739050A DC/DC (direct current) chopper circuit for auxiliary converter cabinet of electric locomotive
10/17/2012CN102738900A Monitoring method for GOOSE (generic object oriented substation event) link of intelligent converting station
10/17/2012CN102738896A HP-9000 type switching station fault treatment system
10/17/2012CN102738888A Automatic switching system of high-voltage distribution wires
10/17/2012CN102738779A Coordination control method of wide area protection and stabilization device
10/17/2012CN102738778A Protection device and method of switch cabinet
10/17/2012CN102738777A Rapid distribution network fault self-recovery method based on generic object oriented substation event (GOOSE) message
10/17/2012CN102738776A Method capable of effectively avoiding power terminal misoperation and control circuit
10/17/2012CN102738775A Battery protection circuit, battery protection device, and battery pack
10/17/2012CN102738774A Overvoltage protection capacitor device
10/17/2012CN102738773A Adaptive capacitor bank protection device
10/17/2012CN102738772A Protection control method of transformer power module with short-circuit protection unit
10/17/2012CN102738771A Overspeed switch
10/17/2012CN102738770A Unloading overvoltage control method for auxiliary power generation system of locomotive
10/17/2012CN102738769A Circuit protection device
10/17/2012CN102738765A Circuit protection device and protection method
10/17/2012CN102097808B Method for estimating reliability of electric distribution system containing distributive wind power, photovoltaic and energy storage devices
10/17/2012CN101951000B Wind power generation main circuit integrating rectification and unloading
10/17/2012CN101924349B Circuit for preventing reverse charging of battery
10/17/2012CN101826723B Power grid voltage comprehensive control system
10/17/2012CN101820167B Motor heat protection method
10/17/2012CN101350532B Over-voltage protected battery charger with bypass
10/16/2012US8289740 Voltage reduction detection circuit and switching power supply system
10/16/2012US8289739 Power supply continuous input voltage extender
10/16/2012US8289005 Field transient suppression system and method
10/16/2012CA2503583C Method and apparatus for control of an electric power system in response to circuit abnormalities
10/16/2012CA2435367C Device and method for protection against overcurrents in an electrical energy distribution cabinet
10/11/2012WO2012137514A1 Power converter controller
10/11/2012WO2012136814A1 Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
10/11/2012WO2012136809A1 Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
10/11/2012WO2012136302A1 Fluid insulated high voltage coil
10/11/2012WO2012136244A1 Fast breaker failure detection for hvdc circuit breakers
10/11/2012WO2012136241A1 Fault handling during circuit breaker maintenance in a double-breaker busbar switchyard
10/11/2012US20120257309 Electronic control device
10/11/2012US20120256572 Brushless Motor and Control Method Therefor
10/11/2012DE112009004991T5 Wandlersteuervorrichtung Converter control apparatus
10/11/2012DE102011016539A1 Ladeeinrichtung für eine Hochspannungsbatterie eines Kraftfahrzeugs, Ladeanordnung und Verfahren zum Betrieb einer Ladeanordnung Loading device for a high voltage battery of a motor vehicle, charging arrangement and method for operating a loading assembly
10/11/2012DE102011016537A1 Ladeeinrichtung für eine Hochspannungsbatterie eines Kraftfahrzeugs, Ladeanordnung und Verfahren zum Betrieb einer Ladeanordnung Loading device for a high voltage battery of a motor vehicle, charging arrangement and method for operating a loading assembly
10/11/2012DE102011016056A1 Hybrid switching element of circuit device for e.g. electric vehicle, has switching portions that are arranged such that forward direction of one switching portion is located opposite to forward direction of other switching portion
10/11/2012DE102011006979A1 Electrical power supply network protecting method, involves computing distance between midpoint of fault current and point on origin of impedance plane, and adjusting current threshold value in accordance with formula
10/11/2012CA2832277A1 Drive train comprising a doubly-fed electric machine and an inverter controlled subject to a law limiting the delivered active power
10/11/2012CA2832268A1 Drive train comprising a doubly fed electric machine and a band-stop filter connected between an inverter and the rotor of the machine
10/10/2012EP2509179A2 Safety programmable logic controller providing lock-out-tag-out
10/10/2012EP2509082A1 Fluid insulated high voltage coil
10/10/2012EP2507884A1 Inverter for high voltages
10/10/2012CN202488823U Dimming LED (light-emitting diode) controller
10/10/2012CN202488390U Novel automobile air-conditioning fan speed regulator
10/10/2012CN202488389U Driving controller of brushless direct-current motor of electric automobile
10/10/2012CN202488345U Device for controlling starting of frequency converter in rotating state of rotor
10/10/2012CN202488286U DC outgoing line protector of DC brushless motor
10/10/2012CN202488192U Solar battery charging and discharging controller
10/10/2012CN202488173U Discharge-type battery management device
10/10/2012CN202488118U Two-way intertripping protection device
10/10/2012CN202488117U Bus bar protection device
10/10/2012CN202488116U Short circuit protective device and programmable logic controller
10/10/2012CN202488115U Over-current detection and protection circuit for power tube
10/10/2012CN202488114U Intelligent lithium battery guard plate
10/10/2012CN202488113U Battery discharge protection device
10/10/2012CN202488112U Management system protection circuit for energy storage lithium battery
10/10/2012CN202488111U Overcurrent detection and protection device for inverter
10/10/2012CN202488110U Over-current protective device
10/10/2012CN202488109U Open-phase protective device for preventing burning out slurry agitator motor
10/10/2012CN202488108U Overcurrent protector of direct current brushless motor
10/10/2012CN202488107U Peripheral interface controller (PIC)-singlechip-based current detection motor protector
10/10/2012CN202488106U Comprehensive protecting and monitoring device of microcomputer
10/10/2012CN202488105U Intelligent protection measuring and controlling device for oil field electric equipment
10/10/2012CN202488104U Electronic motor protector
10/10/2012CN202488103U Intelligent motor protection control device
10/10/2012CN202488102U Influenza vaccine workshop air conditioner motor protection circuit
10/10/2012CN202488101U Control protection device of alternating-current generator
10/10/2012CN202488100U Transformer protection device
10/10/2012CN202488099U Built-in breaker for oil-immersed transformer
10/10/2012CN202488098U Brake-phase short-circuit detecting, judging and protecting device
10/10/2012CN202487386U Oil-immersed transformer with self-protection function
10/10/2012CN202486257U Small-current grounding line selection device for voltage disturbance latching line selection
10/10/2012CN202486255U Car door and window circuit and car
10/10/2012CN102723761A Active energy transfer type equalization circuit of battery management system (BMS)
10/10/2012CN102723701A Remote optical signal locking protection device
10/10/2012CN102723700A Direct-current contact switch breaking protective circuit and contactor
10/10/2012CN102723699A Method and device for protection of direct-current power module
10/10/2012CN102723698A Neutral point asymmetric grounding device of transformer
10/10/2012CN102723697A Method for implementing intelligent tripping for back-up protection of transformer
10/10/2012CN102720492A Development machine and on-off state detecting device of development machine
10/10/2012CN102148594B Matching structure of starter, protector and shell of refrigeration compressor motor
10/10/2012CN101895098B Protecting-two-of-three redundancy monitoring circuit
10/10/2012CN101854055B Thyristor malfunction detection system and method based on singlechip control
10/10/2012CN101783501B Motor driving circuit
10/10/2012CN101752840B Numerical control power supply overvoltage protection circuit
10/10/2012CN101714766B Battery high-temperature status prevention and protection method and system
10/10/2012CN101712283B An electric car control device
10/10/2012CN101710789B Megawatt-level permanent magnet direct-drive wind-force generating converter and control method
10/10/2012CN101707450B Solar energy controller
10/10/2012CN101588124B Wave-chasing current-limiting control method of diode mid-point clamping multilevel converter
10/10/2012CN101553738B Flashover analysis tool
10/10/2012CN101436775B Protection circuit module for rechargeable battery and rechargeable battery pack including the same
10/10/2012CN101330251B Protection for permanent magnet motor control circuits
10/10/2012CN101272092B Control circuit and controlling method of switching power supply system
10/09/2012US8284575 Drive system for power switching elements
10/09/2012US8284529 Reclosing control system and method using superconducting fault current limiter
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