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)
06/2012
06/27/2012CN102520319A High altitude simulative pressure test apparatus for railway high voltage vacuum breaker
06/27/2012CN102520318A Fault recognition method for electric transmission line
06/27/2012CN102520317A Commutation failure fault detection method based on wavelet Shannon entropy standardization characteristic vector
06/27/2012CN102520316A Method for quickly and accurately positioning fault point of cable
06/27/2012CN102520315A Fault single end positioning method of power transmission line based on traveling wave multi-scale information
06/27/2012CN102520314A Detection system and detection method for single-phase grounding fault line selection in small current grounding system
06/27/2012CN102520313A Power external insulation pollution flashover early warning method
06/27/2012CN102520312A Low-current single-phase earth fault line selection and localization device
06/27/2012CN102520311A Method for locating turn-to-turn insulation defects of dry type air-core reactor
06/27/2012CN102520310A System for positioning turn-to-turn insulation defect of dry air-core reactor
06/27/2012CN102520309A Method for judging open circuit of secondary loop of current transformer
06/27/2012CN102520308A Separated cable tester
06/27/2012CN102520307A Power-off automatic identification circuit
06/27/2012CN102520306A Quality inspection system and quality inspection method of wiring harness
06/27/2012CN102520305A Intelligent detection method for open circuit of connection line between charger and battery
06/27/2012CN102520304A Short-circuit detection circuit and detection method for devices
06/27/2012CN102520303A Detector and detection method for alternating-current loops of wind generation set
06/27/2012CN102520302A Automatic detector of electronic device
06/27/2012CN102520301A Test method of key matrix keyboard
06/27/2012CN102520300A Circuit short-circuit fault detection method and system
06/27/2012CN102520299A Testing device and testing method for electronic machine
06/27/2012CN102520298A On-site detecting system for electrical power load management terminal and detecting method thereof
06/27/2012CN102520297A Movable comprehensive detection device for fire emergency lighting and evacuation indication system
06/27/2012CN102520296A Method for processing data of high voltage discharge test of saturation resistor for converter valve
06/27/2012CN102520295A Electromagnetic eddy current brake parameter instrument
06/27/2012CN102520294A Power cycling system for power device
06/27/2012CN102520293A Production test method for force-variable electromagnetic valve of automatic transmission
06/27/2012CN102520292A Multi-core cable voltage test conversion device
06/27/2012CN102520291A Capacitive touch screen detection device
06/27/2012CN102520290A Linear test machine capable of instantly obtaining coordinate of pointer
06/27/2012CN102520289A Simulation device of contact face overheating fault of sulfur hexafluoride gas insulation electric device
06/27/2012CN102520288A Primary-rising based current differential protection synchronization performance testing system and testing method
06/27/2012CN102520287A Pneumatic multi-contact high-voltage heavy-current change-over switch
06/27/2012CN102520286A Hyperspectrum-based composite insulator operation state classification method
06/27/2012CN102520285A Debugging system of electromagnetic regulating valve
06/27/2012CN102520284A Method for rapidly searching secondary loop wire
06/27/2012CN102520283A Improved impulse corona model
06/27/2012CN102520282A Method for detecting matching degree between battery charger and protection board
06/27/2012CN102520281A Remote monitoring device of high-voltage electrostatic oil smoke purification equipment
06/27/2012CN102520280A Multi-temperature-point synchronous dynamic high-temperature aging acceleration test device
06/27/2012CN102520279A Temperature acceleration reference stress determination method in acceleration life test of spatial electronic equipment
06/27/2012CN102520278A Device used for thermal stability and temperature rise test of transformer sleeve
06/27/2012CN102520277A Method and system for detecting supercapacitor of variable pitch system of wind driven generator
06/27/2012CN102520276A Integrated testing circuit for modular multi-level converter valve and control method of integrated testing circuit
06/27/2012CN102520275A Novel rack module identification method and system
06/27/2012CN102520274A Method for forecasting service life of intermediate frequency log amplifier based on failure physics
06/27/2012CN102520273A Energy-saving detection method of large generator set
06/27/2012CN102520272A Test system of power down protection function of smart card and method
06/27/2012CN102520271A Waveguide array antenna measuring device
06/27/2012CN102520270A Method for testing ultimate working performance of server system accessories
06/27/2012CN102520269A Data collecting and analyzing device for energy storage system and collecting and analyzing method thereof
06/27/2012CN102520268A Testing machine for touch panel
06/27/2012CN102520267A Method for testing signal transmission performance of electric conductive slip ring
06/27/2012CN102520266A Electricity-stealing prevention method of distribution transformer and system thereof
06/27/2012CN102520265A Electrical equipment fault monitoring device
06/27/2012CN102520255A Direct current resistance measuring method for electric vehicle battery pack
06/27/2012CN102520240A Magnetic bias current monitoring and early-warning system for large-scale transformer
06/27/2012CN102520234A External detection type coaxial bipolar high-low voltage alternating current acousto-optic electroscope
06/27/2012CN102520230A Zinc oxide lightning arrester operation state detection method
06/27/2012CN102520218A Programmable trouble power simulator
06/27/2012CN102520215A Adjustable clamp for testing battery and mounting method thereof
06/27/2012CN102520020A Correction method for interference generated from parasitic effects on conductivity method represented Ge substrate interface state
06/27/2012CN102519814A Wire high-frequency fatigue test device
06/27/2012CN102519727A Universal test bench of hydraulic speed regulator
06/27/2012CN102519586A Irradiance meter for laboratory and method for implementing irradiance meter
06/27/2012CN102519517A Force transfer mechanism of automatic detecting system of dimming motor for automobile lamp
06/27/2012CN102519490A Ontrack detection method of working condition of focusing system of astronautic camera
06/27/2012CN102519337A Relay armature travel detection device and method
06/27/2012CN102514768A Wire harness quality detection method
06/27/2012CN102513989A Mechanical arm operation executing device of electronic products
06/27/2012CN102513773A Electric drinking water boiler overhaul line
06/27/2012CN102073234B Testing device for heating elements of laser printer
06/27/2012CN102012451B Light-emitting diode-based insulator leakage current fiber sensor system
06/27/2012CN101982791B Extreme high-temperature environmental test shelter
06/27/2012CN101978118B Method and device for determining degradation state of electrical storage device in hybrid construction equipment
06/27/2012CN101963636B Method for evaluating long life of component
06/27/2012CN101949988B Detection device of level-type signal disconnection fault
06/27/2012CN101943733B Primary power supply scrambler
06/27/2012CN101915892B Chip test circuit
06/27/2012CN101907680B Electrolysis direct current system online insulated monitoring device and a monitoring method
06/27/2012CN101900784B System for testing cathode-ray tube
06/27/2012CN101900780B Switch cabinet in-cabinet type bus partial discharge real-time detection system
06/27/2012CN101893681B Test system and method
06/27/2012CN101879866B Remaining mileage calculation method of electric vehicle
06/27/2012CN101865973B Portable instrument for testing triggering performance of thyristors
06/27/2012CN101865957B Method and device for detecting electric discharge interference and electric energy meter provided with the device
06/27/2012CN101860018B One-phase ground protection measurement and control system of high-voltage breaker
06/27/2012CN101852839B Ageing predetermination and overspeed delay testing bifunctional system and method thereof
06/27/2012CN101839962B Method for sieving frequency of processor chip
06/27/2012CN101839961B Test system and method
06/27/2012CN101839952B Method and system for testing surge
06/27/2012CN101839947B Measurement method of parasitic inductance of capacitor
06/27/2012CN101826289B Testing apparatus
06/27/2012CN101793923B Electrostatic discharge test device, system and method
06/27/2012CN101788632B Multi-core cable wire testing method and device
06/27/2012CN101769972B Locomotive signal information detector
06/27/2012CN101762768B Method for analyzing autotransformer differential protection CT circuit connection
06/27/2012CN101750549B Electromagnetic measurement comprehensive darkroom for electromagnetic compatibility test and antenna measurement
06/27/2012CN101750220B Rotating switch fatigue test device
06/27/2012CN101726639B Rack-mounted heat load and application thereof