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)
06/2010
06/01/2010US7728560 Power system for producing low power DC voltage at a level above a peak value of an AC input to the system
05/2010
05/27/2010DE102008011597B4 Trennvorrichtung für einen Leistungshalbleiter und Verfahren zu deren Betreiben, Leistungsmodul und Systemanlage Separating device for a power semiconductor and methods of operation, power module and system installation
05/26/2010EP2190093A2 Apparatus and method for controlling a residual current circuit breaker
05/26/2010EP1151517B1 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection
05/26/2010CN201491345U Solar generating controller
05/26/2010CN201490964U Motor energy-saving device
05/26/2010CN201490958U Excitation device of generator
05/26/2010CN201490957U Excitation device of generator
05/26/2010CN201490944U Intelligent contactor
05/26/2010CN201490914U High-frequency intelligent inverter power supply
05/26/2010CN201490891U High-frequency transformation power supply and audio power amplifier processing circuit provided with same
05/26/2010CN201490877U Converter with smoke and fire protection device
05/26/2010CN201490783U outer rotor motor
05/26/2010CN201490754U Communication wire with novel structure
05/26/2010CN201490748U Multifunctional controller
05/26/2010CN201490734U Solar movable power supply
05/26/2010CN201490733U Mobile phone cell charging system
05/26/2010CN201490717U Multiple protection of electric tool
05/26/2010CN201490707U Adjustable delay undervoltage tripping coil device
05/26/2010CN201490706U Automatic device with stepout and automatic switch-on functions for substation and electricity grid adopted device
05/26/2010CN201490705U Microcomputer Integrated conservation measuring and controlling device of medium-pressure digitalized switch cabinet
05/26/2010CN201490704U Multifunction battery protection circuit
05/26/2010CN201490703U Device for protecting overheat of series reactor and overcurrent of capacitor
05/26/2010CN201490702U Current protection circuit of frequency converter
05/26/2010CN201490701U Voltage protection circuit of frequency converter
05/26/2010CN201490700U Water pump self-control motor protector
05/26/2010CN201490699U Excitation overvoltage protection device of synchronous motor
05/26/2010CN201490698U Protective device of low pressure starter for mines
05/26/2010CN201490697U Three-phase current detection and protection circuit
05/26/2010CN201490696U Protection circuit
05/26/2010CN201490695U Protector of motor
05/26/2010CN201490694U Excitation protecting circuit of voltage regulator of generator set
05/26/2010CN201490693U Large-capacity high-speed current-limiting protection device
05/26/2010CN201490692U Direct current magnetic bias restraining device for transformer neutral points
05/26/2010CN201490685U Multifunction power protection circuit
05/26/2010CN201489977U Self-protective transformer
05/26/2010CN201489575U Bill counter provided with alternating current startup-stop direct current brake controller
05/26/2010CN201489379U System for controlling temperature and humidity of tobacco drying room
05/26/2010CN201481442U Safety protecting device of computerized tomographic scanning device
05/26/2010CN1980511B Back-light open circuit protection circuit
05/26/2010CN1574535B Electronic device, and circuit and method for protecting the same
05/26/2010CN1487641B Grounding direction relay system
05/26/2010CN101714766A Battery high-temperature status prevention and protection method and system
05/26/2010CN101714756A Equivalent negative sequence impedance-based distributed generator islanding protection method
05/26/2010CN101714755A Separated outdoor high-voltage switch
05/26/2010CN101714754A Electric motor protector and control method thereof
05/26/2010CN101714753A Control circuit for motor
05/26/2010CN101714752A Overvoltage and undervoltage protection system
05/26/2010CN101714751A Differential protection method for introducing transformer tapping switch information
05/26/2010CN101713397A Compressor protection and diagnostic system
05/26/2010CN101712283A An electric car control device
05/26/2010CN101203994B Apparatus for short circuit protection
05/26/2010CN101164213B Apparatus and method of protecting battery packs
05/26/2010CN101026298B Electric power tool
05/26/2010CN101008932B Mobile terminal and usb device
05/25/2010US7724554 DC-AC converter and controller IC thereof
05/25/2010US7724489 Circuit breaker with high speed mechanically-interlocked grounding switch
05/25/2010US7724483 Systems and methods involving protection of superconducting generators for power applications
05/25/2010US7724482 Parallel HTS transformer device
05/25/2010US7723961 MEMS based battery monitoring technical field
05/24/2010CA2686271A1 Current in-rush limiting circuit using switchable current limiting arrangement
05/20/2010US20100123989 Connection unit and vehicle incorporating the same
05/20/2010US20100123986 Short circuit limitation device in a low voltage system
05/20/2010US20100123980 Electrical power diagnostic system
05/20/2010US20100123979 Switching power supply protection system, mother board and computer
05/20/2010US20100123978 Short circuit and open circuit protection for a boost converter
05/20/2010DE112007003555T5 Fehlstrom-Begrenzer Fault current limiter
05/20/2010DE102009053013A1 Steuereinheit mit integriertem Temperatursensor Control unit with integrated temperature sensor
05/20/2010DE102008057874A1 Switch circuit for a photo-voltaic assembly, at a current circuit, has a mechanical switch and a second electronic switch
05/20/2010DE102008057070A1 Schutzeinrichtung für elektrische Motoren Protection of electrical motors
05/20/2010DE102008043835A1 Elektrische Vollbrückenschaltungsanordnung Electrical full bridge circuit
05/19/2010EP2187495A2 Resonance mitigation system and method
05/19/2010EP2187494A2 Protection device for electric motors
05/19/2010EP2186179A2 Method and system for limiting a current in an alternating current generator
05/19/2010EP1143594B1 Power converting apparatus, control method therefor, and solar power generation apparatus
05/19/2010CN201479070U Speed-regulating control device of permanent-magnetic synchronous motor
05/19/2010CN201479065U Alternating current electromotor soft starter
05/19/2010CN201479011U Power circuit device
05/19/2010CN201478866U Back-up power source
05/19/2010CN201478828U Neutral point grounding system of 35 KV power grid
05/19/2010CN201478817U Lightning protector for power supply
05/19/2010CN201478809U Single-phase grounding line selection device for 20 kV power grid
05/19/2010CN201478808U Protective device capable of adjusting control voltage
05/19/2010CN201478807U Bus-tie automatic transfer intelligent control device
05/19/2010CN201478806U Mining explosion-proof vacuum feed switch
05/19/2010CN201478805U Automatic switching device for discharge resistance of reactive power compensation capacitor
05/19/2010CN201478804U Phasic circuit break protector
05/19/2010CN201478803U Device capable of finding faults of disk-type brake in advance
05/19/2010CN201478802U Overheating protection device of permanent-magnetic brushless three-phase DC motor
05/19/2010CN201478801U Open circuit protection device of inner-feedback motor rotor
05/19/2010CN201478800U Interlock protection device used for high-voltage system of high-voltage motor and low pressure system of thin oil station
05/19/2010CN201478799U Handcart motor controller for circuit breaker
05/19/2010CN201477455U Temperature control system with detection and control of contactor faults
05/19/2010CN201477413U Integrated control device for high-voltage combination switch
05/19/2010CN201477215U Novel power supply device for transient electromagnetic instrument
05/19/2010CN201477192U Digital wave-recording device of power generator transformer set/circuit
05/19/2010CN201475857U Illuminator for square cabin interface window
05/19/2010CN1929286B Method for controlling supply of current and static capacitance to compressor
05/19/2010CN101711447A 零序列电流发生器 Zero sequence current generator
05/19/2010CN101711446A Mems based motor starter with motor failure detection
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