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
01/10/2013WO2013004289A1 Method for obtaining a long-term short-circuit in a power electronics module
01/10/2013WO2013004285A1 System for detecting internal winding faults of a synchronous generator, computer program product and method
01/10/2013US20130010507 Protected power conversion device and control method
01/10/2013DE202012010078U1 Rangierantrieb mit intelligenter Zentraleinheit Moving device with intelligent CPU
01/10/2013DE102011078687A1 Aktivieren einer Steuerungsvorrichtung zur Abschaltung des Hochvoltsystems Activating a control device for switching off the high-voltage system
01/10/2013DE102011078672A1 Elektronisch kommutierter Elektromotor mit einer Defektabschaltung Electronically commutated electric motor with a cut-off defect
01/09/2013EP2544353A1 Inverter and overload protection method
01/09/2013EP2544322A1 A method of selecting between internal and external faults in parallel lines using one-end measurements
01/09/2013EP2543534A1 Energy storage device with improved security, automobile with a respective energy storage device and method for operating an energy storage device
01/09/2013EP2543096A1 Battery and electric apparatus assembly and battery for powering the apparatus, having magnetically controlled studs
01/09/2013DE202011106224U1 Intelligentes Mittelspannungsnetz Intelligent medium voltage network
01/09/2013CN202663172U Novel lithium battery charger
01/09/2013CN202663103U Feeder microcomputer protection device
01/09/2013CN202663102U Electric power load detecting system
01/09/2013CN202663101U Intelligent low-voltage anti-electric-shock protection device
01/09/2013CN202663100U Middle and low-voltage bus protection device based on optical principles
01/09/2013CN202663099U Over-current and over-voltage protector with bimetallic-strip temperature switch
01/09/2013CN202663098U Water level protective device for low voltage power distribution cabinet
01/09/2013CN202663097U Improved structure of safety protection device of low-voltage distribution box
01/09/2013CN202663096U Safety device for low-voltage power distribution cabinet
01/09/2013CN202663095U Inversion-voltage protective circuit of insulated gate bipolar transistor (IGBT)
01/09/2013CN202663094U Hysteresis protective circuit
01/09/2013CN202663093U Battery protection and windy self-starting circuit of off-grid wind power generation system
01/09/2013CN202663092U Circuit protecting battery against overcharge
01/09/2013CN202663091U Output protection circuit for alternating-current power supply
01/09/2013CN202663090U Open-phase monitoring device
01/09/2013CN202663089U Current-type open-phase protection module
01/09/2013CN202663088U Phase sequence recognition control device of electromotor
01/09/2013CN202663087U Smart protector for motor
01/09/2013CN202663086U Intelligent motor protecting breaker
01/09/2013CN202663085U Protecting and monitoring system for motor
01/09/2013CN202662259U Solar multifunctional media machine
01/09/2013CN202653894U Rapid protection circuit of pressure cooker
01/09/2013CN102870305A Protection circuit, battery control device, and battery pack
01/09/2013CN102869148A Led driving circuit with open-circuit protection
01/09/2013CN102868333A Liquid soft starter for high-voltage motor
01/09/2013CN102868332A Star delta closed type change-over starting device protected by microcomputer
01/09/2013CN102868329A Medium-voltage motor soft start device in water chilling unit
01/09/2013CN102868237A Circuit for improving energy transmission efficiency of non-contact type IC (integrated circuit) card
01/09/2013CN102868234A Non-contact power feeding apparatus
01/09/2013CN102868225A Microcomputer relay protection device based on DSP (digital signal processor)
01/09/2013CN102868219A Intelligent electric carrier classification locking device
01/09/2013CN102868199A Battery pack balance method, battery pack balance device and system including device
01/09/2013CN102868152A Self-adapting voltage quick-break protection method of distribution circuit
01/09/2013CN102868151A Power distribution line self-adaptive current quick-breaking protection method based on matrix pencil
01/09/2013CN102868150A Full-current differential protection braking coefficient adaptive regulating method for transmission line
01/09/2013CN102868149A Short circuit protection module and protection method for insulated gate bipolar transistor (IGBT) module
01/09/2013CN102868148A Intelligent breaker for solar cell component string and protecting method
01/09/2013CN102868147A Voltage-sharing detection protector for serially connected capacitors
01/09/2013CN102868146A Protection circuit used for power supply converter
01/09/2013CN102868145A Lightning-proof equipment of micro-inverter
01/09/2013CN102868144A Ground fault protecting circuit of photovoltaic inverter
01/09/2013CN102868143A Overcurrent protection circuit of push-pull converter
01/09/2013CN102868142A Topological structure for operation of short circuit impact generator
01/09/2013CN102868141A Over-temperature protection circuit structure for transformer
01/09/2013CN102868140A Overload alarming device for power transformer
01/09/2013CN102868137A Method and device for controlling ultrahigh-voltage transmission line single-phase automatic reclosing
01/09/2013CN102142710B Adaptive storage battery charging device capable of selecting capacity
01/09/2013CN102006007B Motor control system of electric automobile
01/09/2013CN101872964B Wide area measurement system based back-up protection method of multi-terminal high-voltage power transmission area
01/08/2013US8351226 Rectifier circuit, semiconductor device using the rectifier circuit, and driving method thereof
01/08/2013US8351171 Integrated automatic selection of maintenance mode in electronic tripping systems to minimize arc fault energy
01/08/2013US8351169 System and method for preventing, protecting OLTC from fire and/or transformer from explosion
01/08/2013US8351168 Open circuit detector and method therefore
01/08/2013US8350518 Control apparatus for matrix converter
01/08/2013CA2731552C Assembly of actuators and of a system for supplying electrical power from a network
01/08/2013CA2677330C Fuse saving power distribution system fault protection
01/03/2013WO2013002016A1 Power conversion device
01/03/2013WO2013001236A2 System for protecting against heating for a rotating electric machine, in particular a starter
01/03/2013WO2013001066A1 Device for protecting against a short-circuit fault in an electrical network
01/03/2013WO2013000608A1 A tap changer and a method of operating a tap changer
01/03/2013WO2012045666A3 Method and device to protect an esp power supply from transient over-voltages on the power grid
01/03/2013US20130003429 Power conversion device
01/03/2013US20130003238 System and method for automated fault control and restoration of smart grids
01/03/2013US20130003232 Vehicle steering system
01/03/2013US20130003231 Overvoltage prevention in an aircraft electrical power generation system
01/03/2013US20130002017 Car battery system
01/03/2013DE102012105502A1 Steuersystem für ein elektrisches Energieversorgungssystem A control system for an electric power supply system
01/03/2013DE102011078551A1 Feed overload protection device for connecting feed device to electric load circuit in e.g. multi-family house, has detection unit to determine magnitude of current and reduce current flow in line when exceeding threshold value
01/03/2013DE102011078239A1 Rücksetzen eines Störlichtbogenschutzgeräts Resetting a Störlichtbogenschutzgeräts
01/03/2013DE102011003518B4 Verfahren zum Schutz eines Ladekabels und Ladeeinrichtung A method of protecting a charging cable and charger
01/03/2013DE102005028559B4 Verfahren und Vorrichtung zur Drehzahlüberwachung eines Elektromotors Method and apparatus for monitoring speed of an electric motor
01/02/2013EP2541717A2 System and method for automated fault control and restoration of smart grids
01/02/2013EP2541715A1 Dc power supply insulation fault detection circuit
01/02/2013EP2541572A1 Method and apparatus for monitoring of a tap changer
01/02/2013EP2541349A2 Inverter system having a safety module
01/02/2013EP2540952A2 Monitoring device for weight balancing device and building closure comprising same and door drive
01/02/2013EP2539993A2 Electric motor for driving a motor vehicle component
01/02/2013CN202652602U Solar LED lighting system
01/02/2013CN202652601U Remote-control-type emergency light
01/02/2013CN202652085U Watt offline flyback insulation type multi-output power supply
01/02/2013CN202651862U Intelligent electronic storage battery charger
01/02/2013CN202651840U Solar energy electricity using system
01/02/2013CN202651782U Circuit capable of bearing high direct current and possessing reverse connection protection function
01/02/2013CN202651781U Neutral point integrated grounding complete device
01/02/2013CN202651777U Microcomputer-based line protection monitoring device
01/02/2013CN202651776U Relay protection error-collision prevention device
01/02/2013CN202651775U Parameter setting device for coal mine power center protective circuit
01/02/2013CN202651774U Under-voltage protection circuit in LED drive chip
01/02/2013CN202651773U Overvoltage protection device of direct current adapter
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