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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01/22/2014 | CN103529386A System and method for remote real-time state monitoring and intelligent failure diagnosis of wind turbine generators |
01/22/2014 | CN103529385A A motor winding detecting device |
01/22/2014 | CN103529384A Press key detection method |
01/22/2014 | CN103529383A 自动测试装置 Automatic test equipment |
01/22/2014 | CN103529382A Circuit and method for detecting line control circuit of infrared focal plane array read-out circuit |
01/22/2014 | CN103529381A IC with programmable fuse |
01/22/2014 | CN103529380A Monitoring system and monitoring method for SRAM type FPGA (field-programmable gate array) single particle functional interruption |
01/22/2014 | CN103529379A Selection method used for low-resolution signal source in high-precision ADC test |
01/22/2014 | CN103529378A Testing device of argon high-frequency electric knife |
01/22/2014 | CN103529377A Automatic testing system and method for intelligent transformer substation digital protection device |
01/22/2014 | CN103529376A Clock test circuit |
01/22/2014 | CN103529375A Testing apparatus |
01/22/2014 | CN103529374A Simple controlled silicon detection board |
01/22/2014 | CN103529373A Defect detection device for OLED |
01/22/2014 | CN103529372A Automatic inspection system of piezoresistive MEMES acceleration sensor wafer |
01/22/2014 | CN103529371A Invasive online monitoring device for partial discharge of power distribution equipment |
01/22/2014 | CN103529370A Partial discharge detection method for high-voltage switch cabinet |
01/22/2014 | CN103529369A Pressure-resistant detection device of safety tool |
01/22/2014 | CN103529368A Online monitoring system for ultrahigh-frequency partial discharge of high-voltage parallel reactors of substation |
01/22/2014 | CN103529367A DSL (Digital Subscriber Line) Modem lightning stroke prevention testing method |
01/22/2014 | CN103529366A UHF (Ultra High Frequency) broadband current sensor based on Rogowski coil principle and joint monitoring system |
01/22/2014 | CN103529365A Partial discharge ultrasonic direct wave identification method in oil of electrical equipment |
01/22/2014 | CN103529364A In-oil multi-local discharge source positioning method based on ultrasonic thinned array sensor |
01/22/2014 | CN103529363A Capacitor partial discharge coupling and denoising sensor |
01/22/2014 | CN103529362A Perception based insulator recognition and defect diagnosis method |
01/22/2014 | CN103529361A Method for locating inter-strand short circuit fault point of transposed conductor and special locating device |
01/22/2014 | CN103529360A Power failure indication device supporting geological information |
01/22/2014 | CN103529359A Method for positioning inter-turn insulation fault of dry air-core reactor |
01/22/2014 | CN103529358A Method for detecting continuous high-impedance-grounded fault of medium-voltage distribution system by current information |
01/22/2014 | CN103529357A Method for determining section of single-phase ground fault of 10kV power distribution system |
01/22/2014 | CN103529356A Method and apparatus for determining the distance to phase-to-earth fault |
01/22/2014 | CN103529355A Wireless protection device for high-voltage fuse protector |
01/22/2014 | CN103529354A Circuit testing method and circuit testing system |
01/22/2014 | CN103529353A Flat cable detection method and flat cable detection system |
01/22/2014 | CN103529352A On-line monitoring system capable of monitoring short-circuit force applied to running transformer |
01/22/2014 | CN103529351A System and method for monitoring thermal defect of high-tension switch cabinet on line |
01/22/2014 | CN103529350A Method and device for detecting turn-to-turn short-circuit fault of high-power transformer |
01/22/2014 | CN103529349A Break monitoring device for protection circuit of switch cabinet |
01/22/2014 | CN103529348A Fault monitoring method for high-voltage cable |
01/22/2014 | CN103529347A Cascade inverter H-bridge unit fault detecting method based on harmonic analysis |
01/22/2014 | CN103529346A Line fault diagnosis method and device |
01/22/2014 | CN103529345A Substation 35kV capacitor discharge coil operating state monitoring method and device |
01/22/2014 | CN103529344A Method for detecting intermittent high-resistance grounding fault through intermittent detection |
01/22/2014 | CN103529343A Intelligent diagnosing method and system of electrical device |
01/22/2014 | CN103529342A Line detection device |
01/22/2014 | CN103529341A Remote control loop detection circuit for negative control terminal |
01/22/2014 | CN103529340A Online monitoring, analysis and evaluation system of electric vehicle charging station |
01/22/2014 | CN103529339A Circuit interface and state monitoring IED |
01/22/2014 | CN103529338A Serial fuse wire power-on state reading circuit and method |
01/22/2014 | CN103529337A Method for recognizing nonlinear correlation between equipment failures and electric quantity information |
01/22/2014 | CN103529336A Optical fiber sensor based power capacitor bank failure prediction system |
01/22/2014 | CN103529335A Low voltage ride through detection device for grid connection photovoltaic inverter |
01/22/2014 | CN103529334A Test system of silicon unit |
01/22/2014 | CN103529333A Device and method for detecting thermal fault of high-tension switch cabinet |
01/22/2014 | CN103529332A Ultra-high voltage direct current transmission line lightning stroke interference recognition method based on voltage relevancy and wavelet transformation transient state energy distribution characteristics |
01/22/2014 | CN103529331A Full-automatic detection method of terminal history data |
01/22/2014 | CN103529330A Inflatable human body model for detecting efficacy of shielding protective suit |
01/22/2014 | CN103529329A Multi-position aging device for chip capacitors |
01/22/2014 | CN103529328A Device and method for testing electromagnetic interference |
01/22/2014 | CN103529327A All-station power quality monitoring device and monitoring method applicable to intelligent transformer substation |
01/22/2014 | CN103529326A Novel dynamic test circuit for tuning fork crystal |
01/22/2014 | CN103529325A Radiation EMI (electro magnetic interference) testing method based on GTEM (gigahertz transverse electro magnetic) cell |
01/22/2014 | CN103529324A Three-dimensional mechanical arm card-clamping test instrument |
01/22/2014 | CN103529323A Dead zone reduction method for passive island detection of micro-grid |
01/22/2014 | CN103529322A Dynamic frequency response testing system and method of piezoelectric ceramic rapid defecting mirror |
01/22/2014 | CN103529321A Current transformer saturation detecting method |
01/22/2014 | CN103529320A Detection method for single-layer multi-point touch screen flexible printed circuit (FPC) and functional piece |
01/22/2014 | CN103529319A Lithium battery protection plate testing system |
01/22/2014 | CN103529318A Instantaneous temperature rise and transmission loss test system for optical fiber composite low-voltage cable |
01/22/2014 | CN103529317A Device for testing through-flow condition of high-temperature superconducting strip under bending stress |
01/22/2014 | CN103529316A Comprehensive detection method for high resistance ground faults of electric power system |
01/22/2014 | CN103529315A Apparatus for diagnosing DC link capacitor of inverter |
01/22/2014 | CN103529314A Touch-control test system and touch-control test method thereof |
01/22/2014 | CN103529313A Backlight module driver testing machine bench and testing method, and manufacturing method for power board |
01/22/2014 | CN103529309A Ultrahigh-frequency sensor based on high-voltage shunt reactor |
01/22/2014 | CN103529281A Voltage detection circuit with functions of complete coverage and real-time self-diagnosis, electronic equipment and automobile |
01/22/2014 | CN103529276A 电流检测电路及充电电池 Current detection circuit and rechargeable batteries |
01/22/2014 | CN103529275A Short-circuit current analysis method and device of regional power grid |
01/22/2014 | CN103529254A EMC test bench |
01/22/2014 | CN103529249A Semiconductor testing jig and semiconductor testing method performed by using the same |
01/22/2014 | CN103528830A Offline detection system and method of blade electric vehicle |
01/22/2014 | CN103528828A Comprehensive performance test bench of electromobile |
01/22/2014 | CN103521463A Solar silicon wafer sorting system and method based on photoluminescence |
01/22/2014 | CN102645628B Fixed-high and fixed-low fault injecting circuit and method for online test of digital circuit board |
01/22/2014 | CN102608505B Multi-region detection system for partial discharge decomposition components of insulating gas and method thereof |
01/22/2014 | CN102540029B Method for calculating partial discharge failure probability of oil paper insulating equipment |
01/22/2014 | CN102540012B Method and device for judging single-phase earth fault of low-current grounding system |
01/22/2014 | CN102520327B Location system for turn-to-turn insulation defect of dry type air reactor |
01/22/2014 | CN102508087B Integrated test stand for transformers |
01/22/2014 | CN102435944B Method for testing force characteristic of linear electric motor |
01/22/2014 | CN102426328B Capacitive equipment insulation state real-time on-line monitoring method |
01/22/2014 | CN102421220B Sunlight simulator with oversized irradiation area |
01/22/2014 | CN102401864B Laboratory simulation detection device for low-voltage meter reading system |
01/22/2014 | CN102385028B Defect point locating method of semiconductor device |
01/22/2014 | CN102353865B Automatic testing device and method universally used for multiple bus processor modules |
01/22/2014 | CN102331544B Method for distinguishing high resistance grounding failure and metallic grounding failure of power transmission line |
01/22/2014 | CN102331542B Transformer substation local discharging signal online monitoring and positioning method |
01/22/2014 | CN102291052B Solar photovoltaic system as well as energy collecting and optimizing method and fault detecting method thereof |
01/22/2014 | CN102288865B Method and equipment for detecting short-circuit earth fault of transmission and distribution line |
01/22/2014 | CN102207527B Electronic product failure analysis method |