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