| 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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| 06/19/2013 | CN103163430A Resonant grounding system fault line selection method by combining complex wavelets with ANN (artificial neural network) |
| 06/19/2013 | CN103163429A Method for natural frequency ranging of three-phase symmetric failure of third generatrix system under characteristic frequency band |
| 06/19/2013 | CN103163428A Method for improving single-ended traveling wave distance measurement reliability |
| 06/19/2013 | CN103163427A Method for realizing line single-phase earth fault single-terminal fault locating by using real part of voltage drop along line |
| 06/19/2013 | CN103163426A Fault recorder utilizing travelling wave fault location algorithm |
| 06/19/2013 | CN103163425A Working criterion method for power frequency variation amplitude comparison line selection device |
| 06/19/2013 | CN103163424A Line-to-ground fault distance measurement method based on instant sampling value |
| 06/19/2013 | CN103163423A Method using dynamic extraction coefficient to achieve line single-phase ground connection fault single end distance measurement |
| 06/19/2013 | CN103163422A Device for searching fault points of cable or pipeline |
| 06/19/2013 | CN103163421A Method and device of testing surge current impact resistant property of fuse |
| 06/19/2013 | CN103163420A Intelligent power transformer on-line state judgment method |
| 06/19/2013 | CN103163419A Indicator and method for cable core correction and transformer tripping outlet correction |
| 06/19/2013 | CN103163418A Unreal power distribution network grounding identification method based on short time window and high frequency transient state energy |
| 06/19/2013 | CN103163417A Unreal grounding identification method based on short time window and high-low frequency transient state energy ratio |
| 06/19/2013 | CN103163416A Method and device for detecting branch circuit single phase earth faults |
| 06/19/2013 | CN103163415A Direct current power system insulation monitoring device employing eccentric bridge technology |
| 06/19/2013 | CN103163414A Ground fault diagnosis method for direct current system |
| 06/19/2013 | CN103163413A Single-phase ground fault type diagnosis method for ultra-high voltage alternating current transmission line |
| 06/19/2013 | CN103163412A Wire acceleration testing machine |
| 06/19/2013 | CN103163411A Detection method and detection circuit for on-off of direct current power distribution system |
| 06/19/2013 | CN103163410A Detection of charging cable |
| 06/19/2013 | CN103163409A Method and device used for correcting inverse current wiring of field electric instrument |
| 06/19/2013 | CN103163408A Light-emitting diode (LED) display screen online leakage current test method |
| 06/19/2013 | CN103163407A Conversion method of multiple testing channels of testing system |
| 06/19/2013 | CN103163406A Durable testing table of vehicle instrument based on controller area network (CAN) |
| 06/19/2013 | CN103163405A Parameter design method of modular multilevel converter (MMC) valve steady-state operation testing device auxiliary valve capacitor |
| 06/19/2013 | CN103163404A Current-voltage mapping construction method based on adjacent stimulus measurement model |
| 06/19/2013 | CN103163403A Traveling cable grounding state detecting circuit and traveling cable grounding state detecting method using direct current measurement mode |
| 06/19/2013 | CN103163402A Relaying protection equipment state monitoring device and monitoring method based on secondary circuit |
| 06/19/2013 | CN103163401A Detection method of integrated machine performance suitable for atomic clock |
| 06/19/2013 | CN103163400A Calculation method for corona-resistant polyimide film trap distribution |
| 06/19/2013 | CN103163399A Lamp array board test device and test method |
| 06/19/2013 | CN103163398A System and method of nuclear power station Berea panel reliability detection |
| 06/19/2013 | CN103163397A Universal analog quantity plate detection system for nuclear plant and method |
| 06/19/2013 | CN103163396A Small fuse detecting method for nuclear plant |
| 06/19/2013 | CN103163395A Power on-off testing device |
| 06/19/2013 | CN103163394A Novel potentiometer aging device |
| 06/19/2013 | CN103163393A Electro-magnetic interference detecting system for power line conduction |
| 06/19/2013 | CN103163392A Semi-anechoic chamber device and electromagnetic compatibility (EMC) test method |
| 06/19/2013 | CN103163391A Transformer detection method |
| 06/19/2013 | CN103163390A Testing device of universal serial bus (USB) interface |
| 06/19/2013 | CN103163389A Intelligent bus on-line monitoring and condition evaluation system |
| 06/19/2013 | CN103163340A Electric wave darkroom |
| 06/19/2013 | CN103163339A Anechoic chamber |
| 06/19/2013 | CN103163337A Power supply testing probe pneumatic compression joint system |
| 06/19/2013 | CN103163334A Wafer inspection interface and wafer inspection apparatus |
| 06/19/2013 | CN103163333A Electric property detection device and method for solar chip |
| 06/19/2013 | CN103162985A Practical correction table for mini feat lock performance test |
| 06/19/2013 | CN103162971A Wireless running process test system for electric vehicle |
| 06/19/2013 | CN103162856A Non-contact high-power light-emitting diode (LED) junction temperature test method |
| 06/19/2013 | CN103162741A Energy storage grid-connected system integral state monitoring method |
| 06/19/2013 | CN103162740A Bridge health monitoring system provided with power supply fault message prompting function |
| 06/19/2013 | CN103162124A On-line monitoring light-emitting diode (LED) lamp device |
| 06/19/2013 | CN103162123A Detection anti-explosion light-emitting diode (LED) lamp |
| 06/19/2013 | CN103158576A Battery current measuring and calibrating method and system |
| 06/19/2013 | CN103158575A Battery pack distributed isolation detection circuitry |
| 06/19/2013 | CN103158571A Technique of determining degradation of high-voltage battery for vehicle |
| 06/19/2013 | CN103158154A Insulator string intelligent detection robot system and control method thereof |
| 06/19/2013 | CN103156685A Process for supplying a medical device |
| 06/19/2013 | CN102445652B Detecting method for monitoring circuit |
| 06/19/2013 | CN102436227B Method for collecting switching value signal by data acquisition transmitter |
| 06/19/2013 | CN102364352B Laser detection display for judging actual position of power knife switch |
| 06/19/2013 | CN102360052B Digital control device for cable calibration |
| 06/19/2013 | CN102360049B Virtual zero point detector for magnetic modulators |
| 06/19/2013 | CN102353821B Clamp test mechanism for sorting thermistor |
| 06/19/2013 | CN102339814B Method and structure for testing metal-oxide-semiconductor field-effect transistor (MOSFET) |
| 06/19/2013 | CN102323539B Method for generating delay fault test vector set |
| 06/19/2013 | CN102323507B Radiation electromagnetic compatibility test method for electric propulsion system and on-star radio frequency equipment |
| 06/19/2013 | CN102288857B Fault arc identification and detection method and detection protection device |
| 06/19/2013 | CN102280877B Method for identifying parameter of poor branch of power system through a plurality of measured sections |
| 06/19/2013 | CN102279371B Main power supply panel and spare power supply panel voltage fault detecting system for communication equipment |
| 06/19/2013 | CN102279335B Device and method for online detection on short troubles of thyristor |
| 06/19/2013 | CN102237027B Display panel and testing method thereof |
| 06/19/2013 | CN102236059B Induced frequency-discrimination open-phase remote alarm for distribution transformer |
| 06/19/2013 | CN102230955B Dynamic ageing monitoring system and method for switch mode power supply of locomotive |
| 06/19/2013 | CN102221649B Dynamic tester for magnetic driver |
| 06/19/2013 | CN102213748B Battery monitoring device and method |
| 06/19/2013 | CN102208806B DC interference test control system |
| 06/19/2013 | CN102183732B Detection method of lead-acid accumulator capacity |
| 06/19/2013 | CN102165326B Test module, test device, and test method |
| 06/19/2013 | CN102135590B Method for detecting technical performance of travelling-wave distance measuring equipment |
| 06/19/2013 | CN102135575B Testing device and method for lightning protection capacity of modem terminal |
| 06/19/2013 | CN102128956B Connecting plate for test socket |
| 06/19/2013 | CN102124360B Storage battery device, storage battery state of charge evaluation device and method |
| 06/19/2013 | CN102077102B Test equipment and method |
| 06/19/2013 | CN102023277B Homonymic phase inter-line fault phase selection method of four-parallel line on same tower based on twelve-sequence component |
| 06/19/2013 | CN101996543B Defect pixel address detection method and apparatus |
| 06/19/2013 | CN101995491B Adaptation board, modifying method of double-station testing machine and testing method thereof |
| 06/19/2013 | CN101988947B Inline element testing system and method thereof |
| 06/19/2013 | CN101986163B Field high-voltage dielectric-loss test vehicle for power equipment |
| 06/19/2013 | CN101971043B Method for measuring SOC of battery in battery management system and apparatus thereof |
| 06/19/2013 | CN101968527B System-level encapsulation device batch test method and device batch test system thereof |
| 06/19/2013 | CN101968459B Detection method of internal faults of switch cabinet |
| 06/19/2013 | CN101957434B Method to improve reliability of a fuel cell system using low performance cell detection at low power operation |
| 06/19/2013 | CN101946187B Model-based estimation of battery hysteresis |
| 06/19/2013 | CN101916204B Virtual machine data searching technology for measuring and analyzing instrument |
| 06/19/2013 | CN101907674B Methods and systems for diagnosing stator windings in an electric motor |
| 06/19/2013 | CN101893650B Voltage measurement device for high-voltage direct-current power transmission valve assembly |
| 06/19/2013 | CN101833043B Method for measuring electric capacity and dielectric loss of capacitance type voltage transformer |
| 06/19/2013 | CN101813755B Charge and discharge test equipment for full on-line storage battery pack |