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