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