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)
04/2013
04/03/2013CN103018644A Automatic SPD (surge protective device) lightning stroke current testing system
04/03/2013CN103018643A Automatic insulation and voltage resistance testing device for solar photovoltaic module
04/03/2013CN103018642A Detection method of Geographic Information System (GIS) local discharging ultrahigh-frequency online monitoring device
04/03/2013CN103018641A Insulation and voltage resistance experiment method of electrolytic direct-current system
04/03/2013CN103018640A Method for testing electricity discharge intensity of corona on surface of high-voltage insulator
04/03/2013CN103018639A Method for evaluating insulation aging state of oil paper insulation electrical equipment on basis of frequency domain spectroscopy
04/03/2013CN103018638A Automatic power frequency measuring and controlling device with touch screen
04/03/2013CN103018637A Noise reduction device and noise reduction method for transmission line travelling wave measurement
04/03/2013CN103018636A Cable single-ended travelling wave distance measurement method using fault signature frequency bands and TT conversion
04/03/2013CN103018635A Fault distance detection method for transmission line containing series compensation element
04/03/2013CN103018634A Ranging method for T type line travelling wave faults
04/03/2013CN103018633A Distribution grid (DG) contained fault interval judgment method based on impedance model short circuit fault characteristics
04/03/2013CN103018632A Small current grounding system single-phase ground fault line selection method based on fisher information
04/03/2013CN103018631A System for 10kV fault line detection
04/03/2013CN103018630A Single-phase earth fault transient line selection method of distribution network
04/03/2013CN103018629A Method for analyzing power system fault recording data based on Marla algorithm
04/03/2013CN103018628A Tower grounding detection device
04/03/2013CN103018627A Adaptive fault type fault line detection method for non-effectively earthed system
04/03/2013CN103018626A Machine and method for automatically identifying color of audio and video connector
04/03/2013CN103018625A Connector detection device
04/03/2013CN103018624A Detection method for plate set short circuit of flexible packaging batteries
04/03/2013CN103018623A Method for automatically adjusting phase sequence wiring error
04/03/2013CN103018622A Judgment method for secondary line breaking of current transformer
04/03/2013CN103018621A Direct current insulation monitoring module based on 24V power system and achieving method thereof
04/03/2013CN103018620A Multi-functional conduction plate device
04/03/2013CN103018619A Detection circuit of open circuit of operating mechanism opening coil and detection method thereof
04/03/2013CN103018618A Method, device, and system for monitoring a component
04/03/2013CN103018617A A circuit board detecting method and a circuit board detecting system
04/03/2013CN103018616A Method and device for notification device circuit and notification system
04/03/2013CN103018615A Device and method used for detecting crowbar circuit in wind turbine generator
04/03/2013CN103018614A Direct current system insulation monitoring method and device
04/03/2013CN103018613A Line detection module and testing jig provided with same
04/03/2013CN103018612A Full-function electric-energy quality comprehensive test platform
04/03/2013CN103018611A Non-invasive load monitoring method and system based on current decomposition
04/03/2013CN103018610A Lightweight equalizing ring for test room
04/03/2013CN103018609A Handhold type electric quantity accessory communication tester
04/03/2013CN103018608A Connector product test device
04/03/2013CN103018607A Control circuit of temperature environment simulation device
04/03/2013CN103018606A Electronic gun tester for high voltage electron accelerator
04/03/2013CN103018605A Electronic component detection test monitoring system
04/03/2013CN103018604A Assessment method of electricity grid lightning strike risk and device thereof
04/03/2013CN103018603A Diagnostic method of abnormal operating state of switch cabinet
04/03/2013CN103018602A Moment limiter testing device, moment limiter testing system and moment limiter testing method
04/03/2013CN103018601A Primary fault diagnosis method of converter in wind turbine system
04/03/2013CN103018600A Online judging method for degradation state of power module
04/03/2013CN103018599A Method for three-phase detection of errors of three-phase electronic transformer of gas insulated switchgear (GIS)
04/03/2013CN103018598A Method for improving radiating electromagnetic interference mixed signal blind source separation on basis of signal difference
04/03/2013CN103018597A Multipoint touch testing platform
04/03/2013CN103018596A Electromagnetic interference testing system and electromagnetic interference testing method for direct-current converter
04/03/2013CN103018595A Bridge rectifier automatic testing machine
04/03/2013CN103018594A Capacitive touch screen testing method and system, and electronic equipment
04/03/2013CN103018593A Connection performance testing device for apparatus with rotationally connected power line
04/03/2013CN103018592A Fault diagnosis method of traction transformer based on model diagnosis
04/03/2013CN103018591A Method for testing electrical property of high-precision circuit board
04/03/2013CN103018590A Test method of temperature control stability of refrigerator
04/03/2013CN103018589A Automatic detection device and automatic detection method for remote controller
04/03/2013CN103018588A Low-power-consumption anti-interference three-state input detection circuit
04/03/2013CN103018587A System and method for electrostatic discharge test of high-voltage cable under high-energy electronic irradiation
04/03/2013CN103018586A Test device and test method for modularized multi-level current transformer sub-module
04/03/2013CN103018585A Testing device for transducer and motor of household elevator
04/03/2013CN103018584A Measuring and verifying method for electric power and electric quantity conservation of electric power boost reconstruction
04/03/2013CN103018583A Level number selecting and verifying method based on flexible direct-current transmission system of MMC (Modular Multilevel Converter)
04/03/2013CN103018582A Power quality monitoring system
04/03/2013CN103018581A Testing jig of module circuit board
04/03/2013CN103018579A Method for estimating critical electric filed intensity for soil ionization
04/03/2013CN103018540A Zero-sequence voltage detection device of 6-10 KV circuit
04/03/2013CN103018521A Rectifier identification method and device
04/03/2013CN103018312A Explosive detonation property testing system under pulse high voltage and tested explosive loading part
04/03/2013CN103018300A Method for testing lithium manganate material performance
04/03/2013CN103017826A High pressure series connection valve typed multiple physical quantity measuring system for experiment
04/03/2013CN103008265A Probe cleaning device and online probe cleaning method utilizing probe cleaning device
04/03/2013CN102323518B Method for identifying local discharge signal based on spectral kurtosis
04/03/2013CN102305898B Method for selecting fault phase of alternating current transmission line by using transient energy
04/03/2013CN102288913B Testing system for double-fed motor and testing method thereof
04/03/2013CN102288908B Fault monitoring device and fault judgment method for measurement potential transformer (PT) fuse
04/03/2013CN102288879B Ultrasonic detection device for partial discharge of switchgear based on wireless network
04/03/2013CN102279346B Fault line selection method of low current grounding system
04/03/2013CN102269795B Judging method of large-area dye-sensitized solar cell (DSSC) module design performance
04/03/2013CN102253343B Method for estimating state of health and state of charge of storage battery
04/03/2013CN102236057B Method for testing release device supporting lightning arrester
04/03/2013CN102221671B Signal stability detector and time delay tester
04/03/2013CN102221663B Passive radio frequency tag reversed modulating performance testing method and apparatus thereof
04/03/2013CN102157342B Device and method for rotating chip
04/03/2013CN102156258B Test package scan chain balancing method based on mean value allowance in SoC (System On Chip) test
04/03/2013CN102156251B Lightning surge generator
04/03/2013CN102147432B Automatic on-line quality diagnosis and repair system of long-distance train communication line and use method thereof
04/03/2013CN102128997B Durability testing device for automobile rotary connector
04/03/2013CN102128994B Circuit and method for verifying reliability of current-limiting resistor
04/03/2013CN102128993B Working condition verifying circuit of current-limiting resistor and verifying method thereof
04/03/2013CN102110400B Test structure of bi-gate line display device and method for testing line defect
04/03/2013CN102109565B Intelligent detector of CT (current transformer) secondary circuit
04/03/2013CN102095997B Automatic detecting device and method for short-circuit exception of interior circuit and shell of optical module
04/03/2013CN102095996B Malfunction phase selecting method of high-voltage transmission circuit based on natural frequency of travelling wave
04/03/2013CN102088107B Cell die and method for rapid evaluating cell matching degree
04/03/2013CN102043134B System for automatically testing display and television power modules
04/03/2013CN102043101B Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile
04/03/2013CN101975907B Electrical vehicle high-voltage line leakage diagnosis device
04/03/2013CN101887085B Zinc oxide arrester DC characteristic testing device and method
04/03/2013CN101846728B Incoming inspection device of power battery for hybrid electric vehicle and inspection method
04/03/2013CN101762800B Battery managing system testing platform