Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
07/2013
07/17/2013CN203069726U Rural power grid power distribution line fault location and isolation system
07/17/2013CN203069725U Buried line electric leakage fault detector
07/17/2013CN203069724U Movable cable fault tracing device
07/17/2013CN203069723U Double-LED current leakage detector
07/17/2013CN203069722U Five-LED current leakage detector
07/17/2013CN203069721U Electric power line joint contact failure automatic alarm apparatus
07/17/2013CN203069720U Low-voltage power supply head-tail matching calibration tool
07/17/2013CN203069719U Filament-breaking detection circuit for navigation signal light
07/17/2013CN203069718U Cable line detection device
07/17/2013CN203069717U Special tool for elbow cable test
07/17/2013CN203069716U Control circuit for grounding detection
07/17/2013CN203069715U Multi-strand wire detector
07/17/2013CN203069714U Special tool for secondary cable alignment
07/17/2013CN203069713U Alternating-current-into-direct-current monitoring device
07/17/2013CN203069712U Fault indication apparatus
07/17/2013CN203069711U RF signal testing device
07/17/2013CN203069710U System for electrical transport property measurement on material
07/17/2013CN203069709U Intelligent transformer station relay protection device detector based on DDRTS
07/17/2013CN203069708U Converter transformer state online monitoring device
07/17/2013CN203069707U Generator-transformer set protection testing device
07/17/2013CN203069706U Device for testing USB charging function of portable camcorder
07/17/2013CN203069705U Electrostatic decay time tester with wireless control system
07/17/2013CN203069704U Capacitor operation monitoring and early warning instrument
07/17/2013CN203069703U Lightning protection equipment intelligence monitoring terminal
07/17/2013CN203069702U Lightning protection equipment intelligence monitoring system
07/17/2013CN203069701U Electronic ballast reliability test device used for intelligent gas discharge lamp
07/17/2013CN203069700U Test platform for simulating vehicle charging station
07/17/2013CN203069699U Portable resonance-elimination apparatus tester
07/17/2013CN203069698U An integrated information acquiring device of electric energy in a transformer station
07/17/2013CN203069697U PCB (Printed Circuit Board) testing system using tool combination
07/17/2013CN203069696U Electronic ballast test device
07/17/2013CN203069695U Self-recovery thermal protector tester
07/17/2013CN203069694U Substation monitoring inspection instrument
07/17/2013CN203069693U Electric vehicle high-voltage electrical fault dynamic simulation test system
07/17/2013CN203069692U Trip-out matrix test box for transformer protection
07/17/2013CN203069691U System for detecting electric performances of photovoltaic inverter
07/17/2013CN203069690U High-accuracy current?calibration device for wind energy converter
07/17/2013CN203069689U Device for testing dynamic characteristics of three-unit 130-millimetre power device module
07/17/2013CN203069688U Power supply with functions of simulation battery
07/17/2013CN203069687U Transformer automatic testing machine
07/17/2013CN203069686U Open nonlinear resistor positive volt-ampere characteristic measuring instrument
07/17/2013CN203069685U Comprehensive test instrument for capacitor or inductor switching test
07/17/2013CN203069673U Intelligent comprehensive testing system for electric device
07/17/2013CN203069651U Voltage change remote monitoring system
07/17/2013CN203069627U ATX power supply test head
07/17/2013CN203069520U Multifunctional automatic PCB (Printed Circuit Board) test system
07/17/2013CN203069363U Combined life test system for vehicle-chassis-used pneumatic components
07/17/2013CN203069208U Multi-physical quantity measuring system for high-voltage series valve type test
07/17/2013CN203067091U Emergency shut down solenoid valve line fault detecting circuit
07/17/2013CN103210538A Power supply stack replacement method, control device, and storage medium storing control program
07/17/2013CN103210317A Vehicle battery monitoring system
07/17/2013CN103210316A Earth device
07/17/2013CN103210314A 接触探针销 The touch probe pin
07/17/2013CN103208964A Control device of power converting unit and determination method of motor characteristics
07/17/2013CN103208861A Real-time online monitoring system of relay protection tripping and closing circuit
07/17/2013CN103208782A Comprehensive detection and electric protection device for power frequency and variable frequency power supplies
07/17/2013CN103208264A Method for testing gate driver on array circuit
07/17/2013CN103207638A Performance, thermal and power management system and related method
07/17/2013CN103207560A Integrated time and/or capacitance measurement system, method and apparatus
07/17/2013CN103207373A Test system and test method of backup power of pitch system of wind turbine generator set
07/17/2013CN103207372A Battery residual amount measurement system, battery residual amount measurement program and battery residual amount measurement method
07/17/2013CN103207371A Battery sensor
07/17/2013CN103207370A Method for automatically detecting touch key state and display device
07/17/2013CN103207369A Method for improving accuracy of breaking test data analysis of circuit breaker
07/17/2013CN103207368A Key life testing device and method
07/17/2013CN103207367A Multi-path signal testing method, system and device for printed board
07/17/2013CN103207366A Test system and test method for printed circuit board assembly
07/17/2013CN103207365A Testing interface circuit
07/17/2013CN103207364A Automatic detection system of automotive audio power amplifier
07/17/2013CN103207363A Instrument for measuring solar cell parameters
07/17/2013CN103207362A System and method for monitoring in real time the operating state of an IGBT device
07/17/2013CN103207361A Light-emitting diode (LED) testing device
07/17/2013CN103207360A Vacuum attenuation box
07/17/2013CN103207359A Plate electrode device for measuring electric characteristics of oil flow
07/17/2013CN103207358A High-voltage power cable nondestructive detection device
07/17/2013CN103207357A Corona monitoring system for arc net insulating porcelain bottles of railway locomotive
07/17/2013CN103207356A High-voltage lossless dielectric strength tester
07/17/2013CN103207355A System and method for detecting partial discharge signal of cable
07/17/2013CN103207354A Maximum line selection coefficient principle based single-phase earth fault line selection method for power distribution network
07/17/2013CN103207353A Line inter-phase fault distance measuring method based on discrete sampling value
07/17/2013CN103207352A Method for achieving single-phase earth fault line selection of power distribution network by line selection impedance amplitude characteristic
07/17/2013CN103207351A Transmission line fault locating method based on reclosure
07/17/2013CN103207350A Low voltage direct current power distribution fault line selection method
07/17/2013CN103207349A Detection device and method for power battery sampling wire harness
07/17/2013CN103207348A Automatic detection device for detecting short circuit of large-capacity power lithium ion cell through high voltage and detection method thereof
07/17/2013CN103207347A Multi-core multi-model cable automatic detecting device and detecting method
07/17/2013CN103207346A Power transmission line fault phase selection method
07/17/2013CN103207345A Secondary neutral point multipoint grounding monitoring deivce of voltage transformer of transformer substation
07/17/2013CN103207344A Method used for checking substation secondary current return circuit and based on main transformer short circuit test
07/17/2013CN103207343A Line break detection device for DC (direct current) remote control actuator
07/17/2013CN103207342A Ground intelligent pre-warning device for overhauling test
07/17/2013CN103207341A Interruption detecting device
07/17/2013CN103207340A On-line transmission line lightning shielding failure trip early-warning method
07/17/2013CN103207339A Method and device for determining over-current of inverter
07/17/2013CN103207338A Python script-based automotive electronic test platform
07/17/2013CN103207337A FPC (Flexible Printed Circuit) all-in-one automatic testing machine and marking control method thereof
07/17/2013CN103207336A Lightning arrester operation analog simulation system
07/17/2013CN103207335A Island detection method based on phase-frequency positive feedback
07/17/2013CN103207334A Testing system of electromobile combined charging device and testing method thereof
07/17/2013CN103207333A Automatic testing device and method for high-frequency frequency device