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