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)
06/2014
06/04/2014CN103837811A High-resolution test device for transistor characteristic curve tracer
06/04/2014CN103837810A A device for testing characteristics of transistors in different packaging modes
06/04/2014CN103837809A IC layout for testing MOSFET matching and test method
06/04/2014CN103837808A Doping failure analysis method
06/04/2014CN103837807A Method for measuring carrier concentration distribution in deep trench
06/04/2014CN103837806A Insulation degree monitoring alarm device of electric automobile high voltage power supply system
06/04/2014CN103837805A GIS thunder voltage resisting testing device used on site
06/04/2014CN103837804A Mobile gas insulation non-partial-discharge voltage holding test system
06/04/2014CN103837803A High voltage insulating rod detection table
06/04/2014CN103837802A Cable insulation detecting device
06/04/2014CN103837801A Power distribution network fault locating system and method
06/04/2014CN103837800A Method for locating direct-current transmission line unipolar grounding fault
06/04/2014CN103837799A Frequency domain method for high-voltage direct current grounding electrode line fault distance detection based on R-L model
06/04/2014CN103837798A Quick diagnostic method and processing device of power distribution network single-phase earth fault characters
06/04/2014CN103837797A Lightning stroke distinguishing and locating method for optical fiber composite overhead ground wires
06/04/2014CN103837796A Transmission line malfunction visualized report method and system based on Web and GIS
06/04/2014CN103837795A Dispatching end grid fault diagnosis method based on wide-area fault recording information
06/04/2014CN103837794A Quasi-distributed insulator pollution flashover monitoring device
06/04/2014CN103837793A Instrument and method for rapidly detecting polarity of temperature-measuring thermal coupler
06/04/2014CN103837792A Device and method for detecting short circuit ring of coils of transformers
06/04/2014CN103837791A Three-level inverter multi-mode fault diagnosis circuit and diagnosis method thereof
06/04/2014CN103837790A Multi-core cable checking device and cable checking method thereof
06/04/2014CN103837789A Wire coupling induction detecting device
06/04/2014CN103837788A Alarm circuit
06/04/2014CN103837787A Alarm method and device for poor contact of PE and N buses of source distribution cabinet
06/04/2014CN103837786A State monitoring system and monitoring method of intelligent distribution network equipment
06/04/2014CN103837785A Feeder automation detection and simulation system
06/04/2014CN103837784A Artificial intelligence identification method of external faults of conversion current bus of HVDC system
06/04/2014CN103837783A Direct current kickback method for shortening discharge time of converter transformer direct current test
06/04/2014CN103837782A Detection device of data line
06/04/2014CN103837781A CCD detecting device
06/04/2014CN103837780A Device for judging and measuring resonance of electric power system
06/04/2014CN103837779A Dynamic detector for jacquard loom component
06/04/2014CN103837778A Test circuit, system and method for testing shielding performance of shell of optical module
06/04/2014CN103837777A Method and system for power quality assessment of power supply system
06/04/2014CN103837776A Experimental system for voltage stability testing of AC/DC parallel power network
06/04/2014CN103837775A Grounding grid corrosion diagnostic method and device
06/04/2014CN103837774A Dry type air reactor monitoring device based on SVM
06/04/2014CN103837773A Oscilloscope near-end measuring system for optical fiber transmission control signals
06/04/2014CN103837772A Low-power-consumption acquisition system life evaluation method based on accelerated life test
06/04/2014CN103837771A Merging unit time delay parameter measurement method of conventional mutual inductor
06/04/2014CN103837770A Electrical equipment defect detection and maintenance method
06/04/2014CN103837769A Lightening damage early-warning method and system for electric transmission line
06/04/2014CN103837768A Radial element testing equipment
06/04/2014CN103837767A Method for conducting characterization on reciprocity mixer with vector network
06/04/2014CN103837766A Method for automatically searching for contacts for connecting electronic components
06/04/2014CN103837765A Energy-regeneration type converter power test system and method
06/04/2014CN103837764A Power quality assessment system and method of household solar photovoltaic power generation
06/04/2014CN103837763A Circuit and method for testing service life of lamp
06/04/2014CN103837762A Potentiometer aging screening device table
06/04/2014CN103837761A Synchronous belt driving type potentiometer aging screening station
06/04/2014CN103837760A Potentiometer aging station
06/04/2014CN103837759A Steel sheet resistor power rush test circuit and test method thereof
06/04/2014CN103837758A Image signal multi-detection system and multi-detection method thereof
06/04/2014CN103837757A Ballast testing method and device
06/04/2014CN103837756A Insulator suspension mechanism monitoring device
06/04/2014CN103837755A Refrigerator component fault detection method and system
06/04/2014CN103837754A Die ID box offline detection device
06/04/2014CN103837743A Resistance measuring device of circuit breaker with voltage dependent resistor
06/04/2014CN103837731A Voltage detecting circuit and method for measuring characteristic of transistor
06/04/2014CN103837725A Combinatorial mask triggering in time or frequency domain
06/04/2014CN103837714A Testing device and fixing structure of double-end gas discharge lamp
06/04/2014CN103837712A Battery fixation structure, battery pin-prick test device and battery pin-prick test method
06/04/2014CN103837227A Piezoelectric sensor
06/04/2014CN103836413A Intelligent LED lamp production system
06/04/2014CN102841549B Switch identification method and device thereof and Z-wave control terminal
06/04/2014CN102778633B Method for selecting vibration sensitive area of power transformer tank surface winding
06/04/2014CN102721835B Test adapter
06/04/2014CN102707184B Portable coaxial cable tester
06/04/2014CN102680875B Method for isolating two reliability effects from SOI (silicon-on-insulator) PMOSFET (P-type metal-oxide-semiconductor field effect transistor) causing threshold value voltage shift
06/04/2014CN102645631B Automobile key switch testing system and testing method
06/04/2014CN102636726B Method for carrying out adaptive discriminating on polarity of CT (current transformer) of new line in distribution network
06/04/2014CN102608501B Assessment method of external insulting state of natural deposit insulator chain based on cross combination
06/04/2014CN102608465B Automatic testing system for feed terminals
06/04/2014CN102590713B Detection method of islanding effects with reactive current disturbance based on amplitude changes and device thereof
06/04/2014CN102590688B Method for estimating operation condition of sulfur hexafluoride transformers
06/04/2014CN102590679B Temperature change testing device
06/04/2014CN102569864B Integrated fuel cell testing platform for assembling, activating and inspecting stack
06/04/2014CN102565586B Automatic identification method of number of photovoltaic modules
06/04/2014CN102540030B Method for diagnosing development speed of partial discharge defect of oil paper insulated equipment
06/04/2014CN102539968B Locking control testing system of intelligent transformer substation
06/04/2014CN102520321B Detection equipment used for detecting insulating property of insulating layer of superconducting tape
06/04/2014CN102513773B Electric drinking water boiler overhaul line
06/04/2014CN102508163B Method, system and device for detecting load dump of portable generator
06/04/2014CN102508111B Large disturbance fault positioning visualization system of power system
06/04/2014CN102508090B On-off automatic detection device for loops of collector ring
06/04/2014CN102445653B Algorithm integrating system and integrating method thereof
06/04/2014CN102435243B Flow meter and method for detecting cable fault in cable circuit of flow meter
06/04/2014CN102385036B Method and circuit for detecting alternating-current fuse failure of uninterruptible power supply
06/04/2014CN102359832B Rapid thermometric indicator of cigarette packages
06/04/2014CN102346237B Device for calculating the remaining capacity of a battery
06/04/2014CN102331540B On-line monitoring device and method for corona discharge of ultra-high voltage power transmission line
06/04/2014CN102331535B Alternating current physical quantity measuring device and method as well as data acquisition device and method
06/04/2014CN102324705B High-voltage switch equipment and dynamic online comprehensive detection control method of insulation level thereof
06/04/2014CN102305912B Low power consumption integrated circuit testing device with compressible data and method using same
06/04/2014CN102288881B Method for diagnosing severity of discharging shortcoming of oil paper insulation thorn of transformer
06/04/2014CN102288871B Method for judging and processing large-span interphase short circuit grounding fault
06/04/2014CN102288855B Checking device
06/04/2014CN102004219B Infrared focal plane array detector simulation device and method
06/04/2014CN101988939B External power supply device and power supply method thereof