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)
10/2009
10/21/2009EP2110919A2 Circuit Breaker Zone Selective Interlock For Differentiated Faults And Method Of Operation
10/21/2009EP2110918A2 Circuit breaker having seperate restrained and unrestrained zone selective interlock setting capability
10/21/2009CN201332514Y Full air-cooling IGBT induction heating equipment
10/21/2009CN201332464Y Switch power supply circuit and television
10/21/2009CN201332375Y Motor synchronization control device
10/21/2009CN201332333Y Burn-free motor
10/21/2009CN201332299Y Single-phase multifunctional electric power monitoring apparatus
10/21/2009CN201332294Y Vehicular large-power energy-saving voltage regulator
10/21/2009CN201332264Y Chain safeguard intelligent control device for coal mine downhole power supply system
10/21/2009CN201332263Y Device for obtaining melting heat energy of fuse
10/21/2009CN201332262Y Current-limiting protection circuit
10/21/2009CN201332261Y Reset device
10/21/2009CN201332260Y Open-phase protection device of asynchronous motor
10/21/2009CN201332259Y Three-phase zero-sequence temperature-controlled overload phase-loss automatic protection motor
10/21/2009CN201332060Y Energy-conserving environment-protecting type alternating current-direct current contactor controller
10/21/2009CN201331830Y Electricity-controlled GPRS remote control terminal for reading meter and anti-theft alarm
10/21/2009CN201331713Y Control device of air compressor
10/21/2009CN201331555Y Power unit input open-phase detector of high-voltage inverter
10/21/2009CN101562418A Method and system for monitoring self-control energy-saving motor
10/21/2009CN101562401A Three-phase intermediate frequency power supply
10/21/2009CN101562393A Secondary startup control circuit and switching power supply
10/21/2009CN101562392A Current-level decision device for a power supply device and related power supply device
10/21/2009CN101562391A Current-level decision device for a power supply device and related power supply device
10/21/2009CN101562347A Vanadium battery charge-discharge control method and charge-discharge switch board thereof
10/21/2009CN101562333A Fast current protection method for distribution network containing distributed power
10/21/2009CN101562332A Self-adaptive current fast tripping protection method for distribution network comprising inverse distributed power
10/21/2009CN101562331A Negative sequence reactance direction judging method
10/21/2009CN101562330A Over-current detection circuit system of permanent synchronous compressor driver
10/21/2009CN101562329A Over-current detecting method of compressor driver
10/21/2009CN100553133C Exponential curve type combined turn-off circuit
10/21/2009CN100553072C Uninterruptible power supply apparatus
10/21/2009CN100553067C Coordinating action method for protecting steam generator set shafting torsional oscillation
10/21/2009CN100553063C Power supply switch circuit capable of avoiding overgreat load of bus interface and related drive method
10/21/2009CN100553062C Shafting torsional oscillation protecting equipment of steam turbo-generator set
10/20/2009US7606011 Motor controller with automated input power determination
10/20/2009US7605569 Acquisition circuit and controller circuit for an alternator
10/20/2009US7605492 Power supply system and method for supplying power to a vehicle
10/15/2009WO2009124884A1 Apparatus and method for recognizing an error in a power bridge circuit
10/15/2009WO2009124826A1 Battery module
10/15/2009WO2009124549A1 Method for detecting an error in an induction machine
10/15/2009WO2009097207A3 System and method for ground fault detection and interruption
10/15/2009US20090258283 Protection circuit assembly and battery pack having the same
10/15/2009US20090257255 Active snubber for transition mode power converter
10/15/2009US20090256510 Reliable Drive Cut Off Device
10/15/2009US20090256503 Motor control apparatus and electric power steering system
10/15/2009DE102008054532A1 Batteriemodul Battery Module
10/15/2009DE102008018619A1 Switch on current limiting method for transformer, involves immediately disconnecting connection of electrical line at transformer, and enabling connection of line after elapsing set shut-off duration of less than preset milliseconds
10/15/2009DE102008018555A1 Drive device for motor vehicle e.g. hybrid vehicle, has torque limiting unit designed, such that signal for controlling and switching of stage is generated based on value that correlates with speed of field of machine and another value
10/15/2009DE102008017715A1 Verfahren zum Betreiben einer Windenergieanlage mit einer doppelt gespeisten Asynchronmaschine sowie Windenergieanlage mit einer doppelt gespeisten Asynchronmaschine A method for operating a wind turbine with a double-fed asynchronous machine and wind turbine with a double-fed asynchronous
10/14/2009EP2109205A1 Remote operation control of a MV/LV transformer station and remote signalling of faults
10/14/2009CN201328085Y Suspension-type DC power supply device
10/14/2009CN201328068Y Mineral flame-proof type transducer electromagnetic compatibility system
10/14/2009CN201328019Y Multifunctional storage battery maintaining charger
10/14/2009CN201328016Y Power battery burglar protecting device
10/14/2009CN201328003Y Optical fiber current differential protection device and electric protection device
10/14/2009CN201328002Y Overvoltage protection system for disconnecting switch used in locomotive depot
10/14/2009CN201328001Y Light-adjusting square-wave identifying and monitoring protection circuit of frequency converter product
10/14/2009CN201328000Y Protection circuit of electric vehicle controller
10/14/2009CN201327999Y Over-current protective device of direct current brush motor
10/14/2009CN201327998Y Comprehensive protection device for electric motor
10/14/2009CN201327997Y Protection device of transformer
10/14/2009CN201327996Y Microcomputer protection device and system
10/14/2009CN201327991Y Remote supply and communication anti-interference protection device
10/14/2009CN201327508Y Phasing power-utilization judging device
10/14/2009CN101558542A A method and an apparatus for protecting a bus in a three-phase electrical power system
10/14/2009CN101558541A Method and device for determining a drive force produced by an electric motor
10/14/2009CN101557186A Maintenance-free motor soft starter with self-checking function
10/14/2009CN101557163A Power supply unit with high power density and low noise
10/14/2009CN101557162A Overvoltage protection circuit used in power factor corrector and power factor corrector
10/14/2009CN101557121A Control device and method thereof for locomotive charger
10/14/2009CN101557102A General-purpose simulation device for microcomputer protection
10/14/2009CN101557101A Relay protection method for eliminating failure in transformer dead zone
10/14/2009CN101557100A Bidirectional and reverse blocking battery switch
10/14/2009CN101557099A Module power supply short-circuit protective circuit
10/14/2009CN101557098A Motor driving circuit
10/14/2009CN101557097A Advertising words display and interlock control method and system
10/14/2009CN101557096A Voltage transformer excitation surge current free idle-loaded switching-on controller
10/14/2009CN101557012A Battery pack
10/14/2009CN101556300A Detection method of incorrect tripping caused by ground current invasion to differential analog channel
10/14/2009CN100550565C Power system safety stabilization emergency control policy automatical matching method
10/14/2009CN100550564C Power system temporary stability and thermal stabilization cooperativeness emergency control method
10/14/2009CN100550563C Lithium cell protecting device
10/14/2009CN100550562C Method for detecting earth-fault conditions in motor controller
10/14/2009CN100550561C Power protection circuit
10/14/2009CN100550560C Overcurrent protection circuit
10/14/2009CN100550559C Thermal overload protection device and method
10/14/2009CN100550558C Judgement procedure for digital transformer differential protection to prevent TA secondary circuit failure from leading to mistaken operation
10/14/2009CN100550557C A differential protection method for negative sequence current of large power transformer
10/14/2009CN100550556C Truelike detection method and equipment of transformer and electric switch facility
10/14/2009CA2629006A1 Module for controlling a switch in a high voltage electrical substation
10/13/2009US7602930 Power-saving mode for hearing aids
10/13/2009US7602623 Apparatus, system, and method for a low cost self-healing power supply
10/13/2009US7602595 Semiconductor device
10/13/2009US7602593 Semiconductor device
10/13/2009US7602157 Supply architecture for inductive loads
10/13/2009US7602152 Vehicle-use power generation control apparatus
10/08/2009WO2009121518A1 Adjusting device having an anti-trap protection and offset in the start-up phase
10/08/2009WO2009099659A3 Protective circuit for energy-strorage device
10/08/2009US20090251085 Method and system for motor oscillatory state detection
10/07/2009EP2106490A1 Improved apparatus for electronic-control automatic powering of sliding gates
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