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)
09/2012
09/12/2012CN102664387A Three-phase asynchronous motor phase sequence protector and protection method
09/12/2012CN102664386A Protector core and protection method for motor
09/12/2012CN102664354A Multifunctional low voltage distribution cabinet
09/12/2012CN101964548B Comprehensive intelligent assembly of power transformer
09/12/2012CN101360288B Bi-mode mobile phone and battery protection circuit thereof
09/11/2012US8264861 Device and method for limiting drain-source voltage of transformer-coupled push pull power conversion circuit
09/11/2012US8264803 Alternator circuit-breaker with an inserted resistance
09/11/2012US8264802 Current limiting device
09/11/2012US8264280 Load driving circuit
09/11/2012US8264209 Method of and apparatus for operating a double-fed asynchronous machine in the event of transient mains voltage changes
09/07/2012WO2012116742A1 Protecting an operation control unit connected to an electric machine via a long cable
09/07/2012CA2828249A1 Protecting an operation control unit connected to an electric machine via a long cable
09/06/2012US20120224286 Power distribution system and protection method for main line thereof
09/05/2012EP2495836A1 Earthing assembly protection in transformer stations
09/05/2012CN202425011U High-fidelity plastic housing sound box system with storage battery
09/05/2012CN202424596U Motor controller
09/05/2012CN202424563U High-frequency-pulse oil smoke purifier power source
09/05/2012CN202424260U Lithium battery supply management system
09/05/2012CN202424257U Battery charging circuit
09/05/2012CN202424244U Lithium battery charger of electric tool
09/05/2012CN202424162U Microcomputer arc and harmonic elimination and overvoltage protection device
09/05/2012CN202424145U Accurate switching device for ship to shore system single-phase grounding fault removal variable reactor
09/05/2012CN202424144U Rapid fault cutting-off device of low-voltage side of main transformer
09/05/2012CN202424143U 10kV distribution network capable of quickly and selectively removing faults
09/05/2012CN202424142U Transformer clearance protection tripping selecting circuit
09/05/2012CN202424141U Lightning strike prevention device for water supply and frequency change control cabinet
09/05/2012CN202424140U Micro grid bus differential protective device
09/05/2012CN202424139U Over-temperature protection module, rechargeable battery and rechargeable electronic product
09/05/2012CN202424138U Protection circuit for charging power supply
09/05/2012CN202424137U Control circuit for locomotive converter
09/05/2012CN202424136U Motor protection circuit
09/05/2012CN202424135U Overload protection device for motor
09/05/2012CN202424134U Compressor demagnetization protection circuit and air conditioner
09/05/2012CN202424133U High power motor differentiation protection system
09/05/2012CN202424132U Protection device for screen motor
09/05/2012CN202424131U Intelligent motor protector
09/05/2012CN202424130U Wound-rotor motor protector
09/05/2012CN202424129U Motor monitoring protector
09/05/2012CN202424128U Power transformer no-load automatic power-off device
09/05/2012CN202424119U Leakage lockout protecting circuit
09/05/2012CN202422463U Simulation training system of relay protection in subway OCC (Open Circuit Characteristic) electric power dispatching
09/05/2012CN102656762A Protection for parallel lines in an electrical power supply system
09/05/2012CN102656739A Secondary battery voltage detecting system
09/05/2012CN102656064A Wiper controller
09/05/2012CN102655321A Motor fault protection device of motor
09/05/2012CN102261913B Gyro north-finder, and power supplying method for gyro north-finder motor
09/05/2012CN102222881B Leakage current monitoring method for solar photovoltaic inverter
09/05/2012CN101997423B Self-oscillating flyback converter with function of output short circuit protection
09/05/2012CN101976949B Anti-interference rapid current sampling circuit based on difference structure
09/05/2012CN101951217B Diesel locomotive auxiliary engine control device
09/05/2012CN101882807B Vehicle-mounted electrical vehicle charger with memory function
09/05/2012CN101777754B Overload operation protection method for motor
09/05/2012CN101771268B Pilot protection method suitable for T-type wiring transmission line
09/05/2012CN101622766B Accumulation system
09/05/2012CN101607542B Power supply abnormality detection circuit for on-vehicle electronic control device
09/05/2012CN101373893B Over temperature protection circuit for battery
09/05/2012CN101340084B Driving circuit for discharge over-current protection and recovery, battery protection circuit and system
09/05/2012CN101291081B Data sampling and transmission module for power distribution system
09/05/2012CN101278453B Wind mill power flow control with dump load and power converter
09/05/2012CN101227096B Hybrid battery and charging/discharging method
09/05/2012CN101183794B Battery pack
09/04/2012US8259470 Control circuit, control method, and power supply device
09/04/2012US8259421 Abnormal current preventive circuit of DC-DC converter
09/04/2012US8258876 Power amplifier protection circuit
09/04/2012US8258759 Anti-islanding for grid-tie inverter using covariance estimation and logic decision maker
09/03/2012DE202012102941U1 Entladende Verwaltungsvorrichtung für Akkumulatoren Discharging management device for accumulators
09/03/2012DE202012102940U1 Aufladende Verwaltungsvorrichtung für Akkumulatoren Charging management device for accumulators
08/2012
08/30/2012WO2012114071A1 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator
08/30/2012WO2012113455A1 A method for obtaining an instantaneous direct current value, and control device
08/30/2012WO2012113440A1 Method and device for enhancing the reliability of generator ground fault detection on a rotating electrical machine
08/30/2012WO2012012276A3 Photovoltaic bipolar to monopolar source circuit converter with frequency selective grounding
08/30/2012WO2011120727A3 Inverter for an electrical machine and method for operating an inverter for an electrical machine
08/30/2012US20120217923 System for Controlling a Motor
08/30/2012DE102011012314A1 Device for controlling phase current of i.e. three-phase, permanent magnet-energized synchronous machine, of i.e. hybrid vehicle, has evaluating device evaluating safety criterion based on amount and/or gradient of phase current
08/30/2012DE102011004733A1 Submodul eines modularen Mehrstufenumrichters Submodule of a modular Mehrstufenumrichters
08/29/2012EP2493004A1 Coordinated control of electric vehicle charging and HVAC
08/29/2012EP2492967A2 Photovoltaic assembly with safeguard for fighting fire
08/29/2012EP2491569A1 Remote isolation system, method and apparatus
08/29/2012CN202406335U Control circuit for solar lamp and the solar lamp
08/29/2012CN202406081U Field suppression protection circuit based on high-voltage resistance jumper and high-voltage resistance jumper
08/29/2012CN202406070U Motor control and protection device for cold-control system of transformer
08/29/2012CN202406068U Diver for direct current motor
08/29/2012CN202406045U Wide voltage input self-adaptive dynamic energy-saving lighting power supply device
08/29/2012CN202405853U 110-KV double-circuit parallel running line reclosing input line
08/29/2012CN202405838U Storage battery charger for controlling overcharge
08/29/2012CN202405825U Intrinsically safe battery with function of self restoration
08/29/2012CN202405789U DSP (Digital Signal Processor) based protecting device for low-voltage capacitor set
08/29/2012CN202405773U Intelligent electronic equipment for using transient fault information
08/29/2012CN202405772U Application system of resistor in resonant earthed system
08/29/2012CN202405771U Rapid tripping device for direct current circuit breaker of direct current traction power supply switch apparatus
08/29/2012CN202405770U Over-voltage protection circuit of power distribution cabinet
08/29/2012CN202405769U Overcharge protecting system for parallel battery pack groups
08/29/2012CN202405768U Protective circuit for large capacity and high power lithium-ion power batteries
08/29/2012CN202405767U Overcharging protective circuit and battery using the same
08/29/2012CN202405766U Over-current protection circuit and battery using the circuit
08/29/2012CN202405765U Overdischarge protection system of parallel battery packs
08/29/2012CN202405764U Over-current protective system for parallel battery packs
08/29/2012CN202405763U Over-discharge protection circuit and battery utilizing same
08/29/2012CN202405762U 保护电路 Protection circuit
08/29/2012CN202405761U Radiating protection device of frequency converter
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