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)
09/2013
09/04/2013CN103278776A Electric automobile battery insulation detecting system
09/04/2013CN103278775A Lithium-air battery mold
09/04/2013CN103278774A Intelligent testing system of automobile battery pack
09/04/2013CN103278773A Multi-gear transformer type voltage drop device
09/04/2013CN103278772A Method and device for fault diagnosis of wind generating set based on evidence entropy
09/04/2013CN103278771A Identification method for abnormal state of three-phase asynchronous motor at industrial site
09/04/2013CN103278770A Ultrasonic motor performance comprehensive testing device and testing method thereof
09/04/2013CN103278769A Detection device for relay
09/04/2013CN103278768A Handheld test device for separating and closing time of switch and test method thereof
09/04/2013CN103278767A Portable air switch detector and control method thereof
09/04/2013CN103278766A Method and system for testing reliability of load switch
09/04/2013CN103278765A Testing structure of blood glucose meter
09/04/2013CN103278764A Automatic board card detecting device of direct current power transmission control protective system
09/04/2013CN103278763A Film transistor (FT) test board system and test method of chip
09/04/2013CN103278762A Testing device and testing method for solar cell chips
09/04/2013CN103278761A Method for measuring interface temperature rise and thermal resistance of thin-layer extrinsic semiconductor material
09/04/2013CN103278760A Estimating method for power-type lithium ion battery remaining capacity under different temperature environments
09/04/2013CN103278759A Method for separating threshold voltage drift caused by two effects in SOI (Silicon On Insulator) device
09/04/2013CN103278758A Method and device for testing turn-off characteristics of high power thyristor
09/04/2013CN103278757A Partial discharging accessing device of transformer
09/04/2013CN103278756A Method for assessing transformer oil-paper insulation aging state
09/04/2013CN103278755A Installing method of sensor for detecting XLPE (cross linked polyethylene) power cable partial discharge
09/04/2013CN103278754A Equipment and method for culturing cable water tree
09/04/2013CN103278753A Device for induced voltage tests on transformers
09/04/2013CN103278752A Corona aging acceleration device and method for polymer insulating material
09/04/2013CN103278751A Partial discharge comprehensive itinerant detector for high voltage electric power equipment
09/04/2013CN103278750A GIS (Gas Insulated Switchgear) experiment device of steep-front impulse voltage field
09/04/2013CN103278749A Safety tool boot tester
09/04/2013CN103278748A Fault location method of power distribution network cable-wire combined circuit based on tested simulation
09/04/2013CN103278747A High-tension transmission line single-ended traveling wave fault distance detection method combined with time-frequency characteristics
09/04/2013CN103278746A Implementation method of grid fault diagnosis system considering uncertain information
09/04/2013CN103278745A Line fault live-action collecting and processing method based on wireless mobile terminal
09/04/2013CN103278744A Same-tower double-circuit electric transmission line pilot protection method based on T-type line equivalent and post-test simulation thought
09/04/2013CN103278743A High-resistance grounding fault identifying and positioning method based on fault information
09/04/2013CN103278742A Line single-phase earthing fault single-end ranging method realized by utilizing voltage drop imaginary part characteristics
09/04/2013CN103278741A Diagnosis method for transmission line single-phase high-resistance grounding faults caused by forest fire
09/04/2013CN103278740A Additional fault distance impact resistant line single-phase earthing fault single-end ranging method
09/04/2013CN103278739A High voltage dc (direct current) transmission control system Profibus field bus fault diagnosis method
09/04/2013CN103278738A Intelligent overhead line fault indicator with locking function
09/04/2013CN103278737A Direct-current self-injection type small-current grounding and route selecting system and method
09/04/2013CN103278736A Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil
09/04/2013CN103278735A Multi-function loop tester of three-phase transformer CT (Current Transformer)
09/04/2013CN103278734A Arc fault detection device and detection method thereof
09/04/2013CN103278733A Cable ground connection remote monitoring method and remote monitoring system
09/04/2013CN103278732A Communication cable testing device
09/04/2013CN103278731A Fault diagnosis method and system based on secondary loop information
09/04/2013CN103278730A Method for measuring fault point of low-voltage platform region
09/04/2013CN103278729A Grounding condition tester for high-voltage test
09/04/2013CN103278728A Method and system for diagnosing interturn short circuit fault of generator rotor
09/04/2013CN103278727A Output power-based diagnosis method for open-circuit fault of insulated gate bipolar transistor (IGBT) of three-phase inverter
09/04/2013CN103278726A Device and method for monitoring and protecting series reactor
09/04/2013CN103278725A Method for positioning grounding fault during melting of aerial earth wire
09/04/2013CN103278724A Specific current module used for monitoring defect of secondary loop of current transformer in electric power system
09/04/2013CN103278723A Electrostatic protection chip detecting device and method
09/04/2013CN103278722A Voltage drop control method and device
09/04/2013CN103278721A Method for judging whether transformer is in external fault and CT saturation state
09/04/2013CN103278720A Flat type cable dynamic stability testing device and method
09/04/2013CN103278719A Power equipment fault detection method and system based on matrix diagram and confidence coefficient
09/04/2013CN103278718A Method for shortening line protection calibration time
09/04/2013CN103278717A New energy integrated grid-connected testing device
09/04/2013CN103278716A Reliability detecting system and method of direct current transmission current changing variable network side sleeve
09/04/2013CN103278715A Electrical equipment testing method
09/04/2013CN103278714A Virtual measurement method and system for mixed manufacturing process
09/04/2013CN103278713A Radiation-source pre-estimation and calibration method of current-driven model
09/04/2013CN103278712A Automatic test system for radio
09/04/2013CN103278711A Method for early detecting and identifying short-circuit faults and series arc faults
09/04/2013CN103278710A Online monitoring system for power transmission line
09/04/2013CN103278709A System for testing property of thunder and lightning traveling wave of power transmission line
09/04/2013CN103278708A ESD (electronic static discharge) monitoring equipment based on low-frequency noise
09/04/2013CN103278707A Method for acquiring standby time of terminal and terminal
09/04/2013CN103278706A Intelligent testing system and method for rail transit
09/04/2013CN103278691A Resistance measuring device of solar cell
09/04/2013CN103278667A Rubber and plastic insulation wall bushing partial discharge test whole set voltage-sharing device
09/04/2013CN103278666A Vehicle-mounted device of induced voltage withstand test device
09/04/2013CN103278258A Drive motor inverter for vehicle
09/04/2013CN103272782A Automated manufacture system of LED lamp and working method thereof
09/04/2013CN102445660B Gray Verhulst model-based prediction method of power angle of generator
09/04/2013CN102435957B Program-controlled LED aging test apparatus
09/04/2013CN102435936B Single photon detection method and system for faults of integrated circuit
09/04/2013CN102426311B Method for determining low-temperature working stress limit of aircraft anti-skid braking control box
09/04/2013CN102385013B Method and device for detecting harmonic characteristic of electronic current transformer
09/04/2013CN102313860B Cage rolling type spark gap zero detection device
09/04/2013CN102305807B Method for measuring Seebeck coefficient of micro/nano thermoelectric materials or devices
09/04/2013CN102288846B Testing method of radio frequency power tubes
09/04/2013CN102269799B Method and system for detecting capacity of secondary battery
09/04/2013CN102269791B Online monitoring and positioning method of railway signal cable disconnection fault
09/04/2013CN102262203B Device for monitoring insulating state of capacitor sleeve online and method thereof
09/04/2013CN102253336B Device for testing pressure of contact finger of high-voltage isolating switch
09/04/2013CN102253257B Integrated standard device for field calibration of extra/ultra high voltage capacitor voltage transformer (CVT)
09/04/2013CN102243281B Batch test method and system for PCBA (Printed Circuit Board Assembly) of Bluetooth headset
09/04/2013CN102221674B Flat type SOFC (Solid Oxide Fuel Cell) monocell partial performance test device
09/04/2013CN102175966B Device for detecting key and coat and hat hook on automobile reading lamp
09/04/2013CN102103182B High-pressure-resistant automatic detection equipment
09/04/2013CN102088245B Drive control device for an electric load
09/04/2013CN102072973B Jig positioning pin for circuit board tester
09/04/2013CN102047130B Liquid crystal array inspection apparatus and method for correcting imaging range
09/04/2013CN101965521B Semiconductor device test system, test handler, and test head, interface block for semiconductor device tester, method for classifying tested semiconductor device and method for supporting semiconductor device test
09/04/2013CN101937055B Method for creating images, system for acquiring and processing images
09/04/2013CN101910853B Insulation coated conductor testing method and apparatus
09/04/2013CN101903782B Method and apparatus for detecting a fault in a neutral return line of an electrical network