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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01/21/2014 | US8634170 Semiconductor integrated circuit |
01/21/2014 | US8633664 Motor control apparatus |
01/16/2014 | WO2014008857A1 Protection module for control and protective switching device |
01/16/2014 | WO2013165753A3 System and method for ground fault detection and protection in adjustable speed drives |
01/16/2014 | WO2013132102A3 Electrical unit for a power plant |
01/16/2014 | US20140017522 Protective circuit module for secondary battery and battery pack using the same |
01/16/2014 | US20140016378 Flyback-based power conversion apparatus and power conversion method thereof |
01/15/2014 | EP2685579A2 Method of detecting disconnection state of power cable in inverter system |
01/15/2014 | EP2684268A1 A dc grid and a method of limiting the effects of a fault in a dc grid |
01/15/2014 | EP2684267A2 A current limitation system for limiting the effects of a fault in a dc grid and a method of operating a current limitation system |
01/15/2014 | CN203399033U Control circuit of electric tool |
01/15/2014 | CN203399007U Wide-input-voltage power supply for distribution terminal |
01/15/2014 | CN203398775U 10 kV rural distribution-line step-by-step protective device |
01/15/2014 | CN203398774U Ship-use network type differential protective system |
01/15/2014 | CN203398773U Distribution network fault detection and isolation control system |
01/15/2014 | CN203398772U Multi-section lithium battery protection system |
01/15/2014 | CN203398771U Over-current and over-voltage protection circuit for electronic cigarette |
01/15/2014 | CN203398770U Floating-charging charger over-current protection circuit |
01/15/2014 | CN203398769U Battery reverse-connection resistant protective circuit of direct current charging pile controller |
01/15/2014 | CN203398768U Low-cost AC input overvoltage protection circuit and switching power supply |
01/15/2014 | CN203398767U Frequency converter over-current protection system based on ACS 710 |
01/15/2014 | CN203398766U DC-DC power output error protection circuit |
01/15/2014 | CN203398765U Combined velocity measuring system |
01/15/2014 | CN203398764U Industrial motor protector having both of phase sequence detection function and open phase protection function |
01/15/2014 | CN203398763U High-power water pump protective device |
01/15/2014 | CN203398762U Protection, measurement and control device for motor |
01/15/2014 | CN203398761U Integrated protector of motor |
01/15/2014 | CN203398760U Coal mine differential protection type high-voltage shift change head |
01/15/2014 | CN203398759U Digital transformer protection device based on network sampling variable ratio braking coefficient |
01/15/2014 | CN203398758U Novel rod-plate-rod protection gap apparatus for protecting transformer neutral points |
01/15/2014 | CN203398757U Low voltage comprehensive protection device for protecting intermediate relay from protection unwanted operations |
01/15/2014 | CN203398756U OLED (Organic Light-Emitting Diode) display based protection, measurement and control integrated device for feed line |
01/15/2014 | CN103518300A Capacitor balancing circuit and control method for electronic device such as multilevel power inverter |
01/15/2014 | CN103518299A Method and apparatus for clearing a fuse in a single output multi load configuration |
01/15/2014 | CN103516295A Open-close member control apparatus and method for controlling open-close member |
01/15/2014 | CN103515938A 电弧光保护装置 Arc protection devices |
01/15/2014 | CN103515937A Battery protection circuit with secondary overvoltage and undervoltage protection function |
01/15/2014 | CN103515936A Multi-stage current protection device for lithium-ion power battery discharging |
01/15/2014 | CN103515935A Automatic power-off device of charger |
01/15/2014 | CN103515934A Method for monitoring a disconnection device in a battery system, and corresponding monitoring device |
01/15/2014 | CN103515933A 电路保护器 Circuit Protection |
01/15/2014 | CN103515932A Three-phase motor default phase protecting instrument |
01/15/2014 | CN103515931A Motor open-phase detection method, motor open-phase protection method, and motor open-phase protection system |
01/15/2014 | CN103515930A Intelligent protection device for coupler |
01/15/2014 | CN103515929A 直流电流平衡装置 DC current balancing device |
01/15/2014 | CN103513146A Short sensing circuit, short sensing method and power supply device comprising the short sensing circuit |
01/15/2014 | CN102420417B Wound type motor protector and protection method thereof |
01/15/2014 | CN102280902B Protector for battery charging |
01/15/2014 | CN102231598B Power supply circuit |
01/15/2014 | CN102222879B Protection method of no-load switch-on and no-load operation of transformer |
01/15/2014 | CN102195303B Distributed multilayer battery management system and method |
01/15/2014 | CN102097850B Method and device for controlling multiple safety protection and energy-saving charging |
01/15/2014 | CN102017349B Arc detector and associated method for detecting undesired arcs |
01/14/2014 | US8630075 Protection circuit for central processing unit |
01/09/2014 | WO2014005770A1 Device for protecting a load |
01/09/2014 | WO2014005752A1 Power output stage, method for operation |
01/09/2014 | WO2014005635A1 A power bay protection device and a method for protecting power bays |
01/09/2014 | WO2014005619A1 Detection of a fault direction in medium voltage power supply networks |
01/09/2014 | DE102013106370A1 Schaltungsschutz Circuit Protection |
01/09/2014 | DE102012013413A1 Hybrider elektrochemischer Energiespeicher Hybrid electrochemical energy storage |
01/08/2014 | EP2683047A1 Device for protecting a load |
01/08/2014 | EP2681823A1 Protecting an operation control unit connected to an electric machine via a long cable |
01/08/2014 | CN203387427U Intelligent intermediate-frequency power supply control system for electric precipitators |
01/08/2014 | CN203387287U A microcomputer control charger |
01/08/2014 | CN203387282U Box-level battery management system |
01/08/2014 | CN203387170U Self-powered protector |
01/08/2014 | CN203387169U Vacuum circuit breaker type loop network cabinet |
01/08/2014 | CN203387168U Relay based lithium battery secondary protection fuse circuit |
01/08/2014 | CN203387167U Battery protection circuit |
01/08/2014 | CN203387166U Over/Under-voltage detection protection circuit of series supercapacitor bank |
01/08/2014 | CN203387165U High-speed half-bridge MOSFET short circuit protection circuit |
01/08/2014 | CN203387164U Anti-reflux device and solar cell protection device |
01/08/2014 | CN203387163U Protection circuit with branch outputting overvoltage turning-off power supply |
01/08/2014 | CN203387162U 电源系统 Power Systems |
01/08/2014 | CN203387161U Temperature protective device of single-phase motor |
01/08/2014 | CN203387160U Draught fan control circuit of high voltage frequency converter |
01/08/2014 | CN203387159U Short circuit protection circuit of triode voltage stabilizing circuit |
01/08/2014 | CN103503262A A method and an apparatus for supervision of current transformer in a differential protection system |
01/08/2014 | CN103501108A Striking prevention protection circuit for high-voltage direct current power supply circuit and realization method of striking prevention protection circuit |
01/08/2014 | CN103501026A Lithium battery management system based on Labview |
01/08/2014 | CN103501000A Comprehensive experiment platform device of low-voltage power distribution control system |
01/08/2014 | CN103500991A Integrated protective circuit breaker |
01/08/2014 | CN103500990A Selection method of buscouple CT (current transformer) winding in optimized busbar differential protection devices |
01/08/2014 | CN103500989A Protection circuit of IGBT (Insulated Gate Bipolar Transistor) |
01/08/2014 | CN103500988A Alternating current-direct current high voltage protection device of electronic chip and achievement method thereof |
01/08/2014 | CN103500987A Output transient protection circuit for photovoltaic inverter |
01/08/2014 | CN103500986A Low-voltage asynchronous motor protector based on C8051F410 chip |
01/08/2014 | CN103500985A Protection device and method for rotary supporting bearing and driving motor of thickener |
01/08/2014 | CN102570431B Method for limiting short circuit current of power grid |
01/08/2014 | CN102255282B Temperature control method for permanent magnet synchronous motor and intelligent power unit system of pure electric vehicle |
01/08/2014 | CN102201659B Protection control method for electric motor |
01/08/2014 | CN102136718B Voltage differential protection device of current feedback type |
01/08/2014 | CN101919149B Device arranged for converting an AC input voltage to a DC output voltage |
01/08/2014 | CN101854066B Safety system of power supply |
01/08/2014 | CN101714753B Control circuit for motor |
01/07/2014 | US8625316 Neutral point clamped (NPC) power converter fault protection system |
01/07/2014 | US8624536 System and method for detecting a high current condition in a motor |
01/07/2014 | US8624533 Inverter power generator |
01/07/2014 | CA2790150C Battery and electric apparatus assembly and battery for powering the apparatus |
01/03/2014 | WO2014001136A1 Battery system and motor vehicle with battery system |