Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › 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
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)
03/2014
03/12/2014CN103630837A Generator rotor grounding detection circuit
03/12/2014CN103630836A Variable air gap disc-shaped linear induction traction motor high-speed mutual feedback table for track traffic
03/12/2014CN103630835A Load device for wide-voltage class test of diesel alternating-current generator set
03/12/2014CN103630834A Multifunctional motor test platform
03/12/2014CN103630833A Device and method for testing service life of plastic-shell-type circuit breaker
03/12/2014CN103630832A Power-on self-detection method and device of switch piece in electric power electronic device
03/12/2014CN103630831A Verification system of grounding direction protective relay
03/12/2014CN103630830A Power switch brake testing circuit, chip, and power switch brake testing method
03/12/2014CN103630829A Configuration method for wiring resource fault detection
03/12/2014CN103630828A Circuit board tester
03/12/2014CN103630827A Automatic testing device for integrated circuit
03/12/2014CN103630826A Circuit for realizing MCU / DSP failure alarm
03/12/2014CN103630825A Chip test circuit and formation method thereof
03/12/2014CN103630824A Chip concurrent test system
03/12/2014CN103630823A Auxiliary jig for mainboard test
03/12/2014CN103630822A Method and apparatus for monitoring state of RF power amplifier
03/12/2014CN103630821A Test auxiliary device
03/12/2014CN103630820A High-power LED heat resistance measuring device and method of measuring high-power LED heat resistance thereby
03/12/2014CN103630819A RFID (radio frequency identification) chip performance test device
03/12/2014CN103630818A Multifunctional portable thyristor tester and test method thereof
03/12/2014CN103630817A Regulator device
03/12/2014CN103630816A Doping failure analysis method
03/12/2014CN103630815A Capacitor partial-discharging ultrasonic gating device
03/12/2014CN103630814A Insulating dielectric loss angle tendency online monitoring method of high-voltage cables under cross interconnection
03/12/2014CN103630813A Solid insulated conductor insulation electrified monitoring method
03/12/2014CN103630812A Electric field analysis-based super high-voltage direct current transmission converter valve fault diagnosis method
03/12/2014CN103630811A Digital partial discharge detecting system
03/12/2014CN103630810A Diagnosis method for insulation state of parallel compensation capacitor
03/12/2014CN103630809A Pulse discharge loop
03/12/2014CN103630808A Partial discharge signal denoising method based on lifting wavelet transform
03/12/2014CN103630807A Partial discharge model for staggering of stress cone of 10kV cable intermediate joint
03/12/2014CN103630806A Manufacturing method of partial discharge model for staggering of stress cone of 10kV cable intermediate joint
03/12/2014CN103630805A Partial discharge model for conductive particles on insulating surface of 10kV cable intermediate joint
03/12/2014CN103630804A Method for manufacturing local discharge model of conductive particles on insulating surface of intermediate head of cable
03/12/2014CN103630803A Cable partial discharge live correction method
03/12/2014CN103630802A TSV (through silicon via) through hole insulation layer test structure based on SOI (silicon on insulator) substrate
03/12/2014CN103630801A Voltage withstanding test device with positive and negative polarity voltage output
03/12/2014CN103630800A Live insulator detecting system, live insulator detector and handheld receiving terminal
03/12/2014CN103630799A Fault early warning system and fault early warning method for distribution lines
03/12/2014CN103630798A Transmission line single-phase grounding fault single-end ranging method
03/12/2014CN103630797A Interturn short circuit detecting device of transformer
03/12/2014CN103630796A Short-circuit calculation simulation method of ship alternating current/direct current hybrid power system
03/12/2014CN103630795A Quantitative simulation generation and acquisition unit for electric short-circuit faults
03/12/2014CN103630794A Method of warning on poor contact of primary loop of power equipment
03/12/2014CN103630793A Apparatus and method for detecting switching element short
03/12/2014CN103630792A Arrester resistive leakage current algorithm
03/12/2014CN103630791A Infrared control battery short circuit testing device
03/12/2014CN103630790A COM port loop test fixture
03/12/2014CN103630789A Auxiliary experiment device for breaker failure protection
03/12/2014CN103630788A Detecting method of solid electrolytic capacitor
03/12/2014CN103630787A Optical module testing device
03/12/2014CN103630786A Dry terminal system of type test for ultrahigh-voltage cables of 500kV and below
03/12/2014CN103630785A Photovoltaic inverter composite particle process online residual life evaluation method
03/12/2014CN103630784A Online monitoring system for power distribution transformers
03/12/2014CN103630783A Mobile detection device of transformer equipment
03/12/2014CN103630782A Isolated island detection method and device for three-phase grid connected inverter
03/12/2014CN103630781A Composite energy supply non-contact on-line monitoring system for active electronic current transformer
03/12/2014CN103630780A Automatic test system and method for detector sensitivity optimal value and overload value
03/12/2014CN103630779A Actual measurement method for parameters of brushless excitation system
03/12/2014CN103630778A Module for quickly collecting three-phase electrical parameters
03/12/2014CN103630777A Electric equipment shielding effectiveness test system and method
03/12/2014CN103630776A Evaluation method for fault probability of power equipment
03/12/2014CN103630775A Equipment and method for testing alternating current big current impact
03/12/2014CN103630774A Comprehensive test simulation environment combining humiture, vibration and electromagnetism
03/12/2014CN103630773A Monitoring device of super-capacitor management system
03/12/2014CN103630772A Automatic testing system and testing method of temperature characteristics of capacitors
03/12/2014CN103630771A Total power testing platform for frequency converter for use in wind power generation
03/12/2014CN103630770A Antenna mast detection methods and systems
03/12/2014CN103630769A Online zinc oxide arrester monitoring instrument
03/12/2014CN103630768A Method for diagnosing transformer fault in transformer station
03/12/2014CN103630767A A test device and a moveable-type test chamber thereof
03/12/2014CN103630763A Alternating-current power supply three-phase unbalanced drop simulator and simulation method
03/12/2014CN103630729A One-step wiring device and method for testing 1000kV lightning arrester reference voltage and leakage current
03/12/2014CN103630726A Estimation method of battery polarization voltage in BMS (battery management system) sleep mode
03/12/2014CN103630714A Mobile electrical test power box
03/12/2014CN103630244A Equipment fault diagnosis method and system of electric power system
03/12/2014CN102707178B Method for prewarning and monitoring failures of secondary equipment of power system
03/12/2014CN102692572B Airplane radiofrequency device electromagnetic compatibility analysis method based on time availability
03/12/2014CN102662143B Method for visually selecting device under test in circuit test
03/12/2014CN102655549B Method for estimating remaining time and capacity of battery
03/12/2014CN102650666B Method for judging negative damping oscillation and force oscillation based on second order difference method
03/12/2014CN102636750B Double-stand-column lifting type tidal current energy power generation seaborne test device
03/12/2014CN102636702B Bounded-wave electromagnetic pulse simulator of elliptic arc transition section
03/12/2014CN102628913B Electric transmission line three-dimensional lightning calculating method based on electric transmission line structure and terrain
03/12/2014CN102621446B Method for measuring circulating current in triangular winding of transformer
03/12/2014CN102608472B Power grid measurement and monitoring system and methods thereof
03/12/2014CN102608462B Method for measuring radio interference of electric transmission line
03/12/2014CN102590741B Alternating current contactor automation test equipment
03/12/2014CN102565579B Testing device for operation of current changing chain and control method
03/12/2014CN102520311B Method for locating turn-to-turn insulation defects of dry type air-core reactor
03/12/2014CN102508130B Special voltage withstand testing device for cylindrical capacitors
03/12/2014CN102455395B Method for testing high-voltage power supply and power distribution system loop
03/12/2014CN102445656B Detection device for electronic release of low-voltage apparatus, and control method
03/12/2014CN102426304B Automatic tester of direct current microcomputer protective device and testing method thereof
03/12/2014CN102419422B Method for estimating stage of charge (SOC)
03/12/2014CN102375125B Intelligent electromobile battery detector
03/12/2014CN102361322B Technology determination method for changing crosslinked polyethylene cable alternating current line into direct current operation
03/12/2014CN102325670B Battery system for vehicle
03/12/2014CN102323545B Power loop test method for steady-state operation test of flexible direct current power transmission MMC (Modular Multilevel Converter) valve
03/12/2014CN102297121B Detecting device and method of low-voltage start of fan
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