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)
11/2013
11/27/2013CN203312765U An apparatus used for eliminating influence of an induction voltage on transformer microcomputer protection
11/27/2013CN103414405A Device for balancing bridge type hoist motor moment and control method
11/27/2013CN103414336A DC-DC power source module
11/27/2013CN103414322A Control circuit, switch converter and control method of switch converter
11/27/2013CN103414173A Method for performing fault recovery on power distribution network based on ultra-short term load
11/27/2013CN103414172A Flexible direct current transmission converter station and fault control method
11/27/2013CN103414171A Method for protecting whole-line rapid-cutting and optimizing reclosure of current collection line
11/27/2013CN103414170A Line longitudinal protection method of intelligent substation
11/27/2013CN103414169A Relay protection and error prevention system based on power grid dispatching automation system and working method
11/27/2013CN103414168A Vacuum circuit breaker type ring main unit
11/27/2013CN103414167A State detection and protection method for circuit breaker opening and closing coil
11/27/2013CN103414166A Lithium ion battery charge and discharge protection device
11/27/2013CN103414165A Storage battery discharge protection device
11/27/2013CN103414164A Protective circuit with multiple IGBTs running in parallel
11/27/2013CN103414163A Direct-current power supply output overcurrent protection device
11/27/2013CN103414162A Motor forward/reverse rotation protection device
11/27/2013CN103414161A Motor forward/reverse rotation protection device
11/27/2013CN103414160A Motor automatic protection control device
11/27/2013CN103414159A Method for solving generator stator ground protection lag removal faults
11/27/2013CN103414158A Novel bar-plate-bar protective gap device for protecting transformer neutral point
11/27/2013CN103414157A Device for operation of protective gap of transformer neutral point
11/27/2013CN103414156A Oil immersed transformer light gas protection fault diagnosis method
11/27/2013CN103414155A Neutral point installation electronic type rapid harmonic-vibration eliminating device
11/27/2013CN102487210B Electric tool and control method thereof
11/27/2013CN102437556B Sequence component longitudinal direction protection method of six-phase power transmission line
11/27/2013CN102340129B Switching power supply and overvoltage protection circuit thereof
11/27/2013CN102195275B Protecting method of current change rate with self-adaptive output time-delay characteristic
11/26/2013US8593838 Power supply device
11/26/2013US8593771 Power modules with reverse polarity protection
11/26/2013US8593769 Secure arc flash detection
11/26/2013US8593768 Apparatus and method for disabling the operation of high power devices
11/26/2013US8593767 Power supply and the control method for controlling the same and power supply system incorporating such power supplies
11/26/2013US8593119 5 volt tolerant voltage regulator
11/26/2013US8593093 Electric motor control apparatus
11/26/2013CA2736044C Distributed bus differential protection using time-stamped data
11/26/2013CA2626162C Fault protection system and method for an electrical power distribution system
11/21/2013WO2013171904A1 Digital protection control device
11/21/2013WO2013171329A1 Method and apparatus for localizing and quenching an arc
11/21/2013WO2012141835A9 Method and system for programming and implementing automated fault isolation and restoration using sequential logic
11/21/2013US20130308229 Self-Testing Features of Sensing and Control Electronics for a Power Grid Protection System
11/21/2013US20130307338 Pulse Generator Circuit Arrangement And Method For Generating Pulsed Signals For Insulation Fault Location In IT Networks
11/21/2013DE102013103342A1 Motoransteuervorrichtung mit veränderlichem niederspannungsalarm-erkennungspegel Motor driving device with variable low voltage alarm-detection level
11/20/2013EP2663991A1 Accessory module providing a zone selective interlocking interface external to a trip unit, and system and circuit interrupter including the same
11/20/2013CN203301412U Switch control circuit for automatic opening and closing of umbrella
11/20/2013CN203301370U Electric bicycle converter
11/20/2013CN203301360U High conversion efficiency boost control integration circuit with PWM overcurrent control
11/20/2013CN203301191U Lithium ion battery system with automatic cut-out protection function
11/20/2013CN203301140U Transformer direct-current magnetic bias suppression device
11/20/2013CN203301138U Switch-on three-tripping loop used in cooperated utilization of two sets of line protection units and one set of reclosing unit
11/20/2013CN203301137U Feeder protection equipment of distribution room
11/20/2013CN203301136U Charging protector and charger thereof
11/20/2013CN203301135U Over-heat protection circuit of flyback switching power supply having input voltage compensation function
11/20/2013CN203301134U Heading machine oil pump motor inversion rotation-prevention system
11/20/2013CN203301133U Intelligent network memory type motor protection controller
11/20/2013CN203301132U Independent zero load overvoltage protector of automatic parallel excitation system of generator
11/20/2013CN203301131U Automatic switching circuit capable of protecting loops in switching of main line switch and by-pass switch
11/20/2013CN203301130U Voltage bypass start stabilizing apparatus
11/20/2013CN203301129U Apparatus for overload determination and load-shedding of transformer in electric power system
11/20/2013CN203299255U Voltage detection circuit formed by connecting a plurality of electric core units in series and battery protection system
11/20/2013CN103403991A A DC grid and a method of limiting the effects of a fault in a DC grid
11/20/2013CN103403990A A current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation system
11/20/2013CN103402832A Protective circuit in a screen wiper drive and screen wiper drive
11/20/2013CN103401486A Dual-motor alternating current servo driver with UPS (Uninterrupted Power Supply) power-off information protection
11/20/2013CN103401484A Three-phase source control system for manure pumping and applying machine powered by diesel engine
11/20/2013CN103401439A Wide-input voltage power supply of power distribution terminal
11/20/2013CN103401396A Inner mushroomed type permanently-magnetic shaft joint
11/20/2013CN103401359A Direct current electric motor
11/20/2013CN103401319A Energy storage chain for a vehicle, including at least one ultracapacitor module, energy storage system and railway vehicle
11/20/2013CN103401227A Fictitious load based rapid fault isolating method and system suitable for microgrid
11/20/2013CN103401226A Substation area differential protection method for intelligent substation
11/20/2013CN103401225A Grounding and house transformer overcurrent protection adjusting method and grounding and house transformer shunt tripping setting method
11/20/2013CN103401224A Multi-lithium-battery protection system
11/20/2013CN103401223A Wireless remote control protection board for lithium battery
11/20/2013CN103401222A LCD (Liquid Crystal Display) backlight inverter power supply high voltage terminal arc discharge protection circuit
11/20/2013CN103401221A Phase-shifted full-bridge cycle self-protection circuit and control method thereof
11/20/2013CN103401220A Novel switch power supply short-circuit protection circuit and protection method
11/20/2013CN103401219A Phase-shifted full-bridge drive signal control circuit and control method thereof
11/20/2013CN103401218A CPLD (Complex Programmable Logic Device)-based phase-shifted full bridge over-current self-protection circuit and control method thereof
11/20/2013CN103401217A Intelligent motor protector
11/20/2013CN103400524A Method and system for realizing relay protection and secondary circuit debugging visualization
11/20/2013CN102570455B Intelligent microgrid power-supply system
11/20/2013CN102495273B Single current transformer (CT) input dual-precision sampling measuring and protecting integrated device
11/20/2013CN102377172B Three-phase program controlled power source and power amplifier tube short-circuiting protective circuit thereof
11/20/2013CN102210092B Three-phase AC power controller
11/20/2013CN102122811B Protective device starting component for double A/D sampling of electronic transformer in digital substation
11/20/2013CN102064518B High-sensitivity current measurement and control device
11/20/2013CN102005737B Automatic jump selection method of electrified railway feeder line started by external contacts
11/20/2013CN101953041B Module for controlling a switch in a high voltage electrical substation
11/19/2013US8587910 Function module and coupling module for a switch device control and system for switch device control
11/19/2013US8587284 Method and apparatus to limit output power in a switching power supply
11/19/2013US8587243 Drive control system
11/19/2013US8587236 Motor control device
11/15/2013CA2814332A1 Test device for power engineering equipment and method for manufacturing a test device for power engineering equipment
11/14/2013WO2013167310A1 Module unit, compound and method for monitoring a power supply network
11/14/2013WO2013167199A1 Method and apparatus for clearing a fuse in a single output multi load configuration
11/14/2013US20130301319 Printed circuit board
11/14/2013US20130301167 Transformer arrangement for wind turbine and method for controlling voltage
11/14/2013DE102013208339A1 Control assembly for driving power unit of exciter device of synchronous machine used in turbine power plant, has watchdog timer that is equipped with time measuring unit independent of clock supply of microcontroller
11/14/2013DE102012207654A1 Motor vehicle-generator device has generator stabilizer, generator, rectifier and protection arrangement for noise suppression, where protection arrangement is formed such that suppresses short, low-power noise pulse
11/14/2013DE102012009563A1 Circuit device for energy store, has voltage monitoring portion whose is connected to positive terminal of energy store and output terminal is connected with control terminal of controllable circuit breaker
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