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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04/30/2014 | CN103765234A Temperature measurement of active device under test on strip tester |
04/30/2014 | CN103765233A Ate to detect signal characteristics of a DUT |
04/30/2014 | CN103765232A Wiring test device for electronics cabinets having internal signal wiring |
04/30/2014 | CN103765231A Isolation adapter for a vehicle component test and test method for a vehicle component |
04/30/2014 | CN103765202A Wiring defect detection method and wiring defect detection device |
04/30/2014 | CN103762800A Tool for verifying insulation of stator coil of motor |
04/30/2014 | CN103762564A Transient energy direction protection method for power transmission line with static synchronous series compensator |
04/30/2014 | CN103762562A Full-line quick-acting protection method in which T-type transmission grid single-end transient state quantity S-transform is utilized |
04/30/2014 | CN103762554A Fault detecting method for side windings of three-phase three-winding transformer |
04/30/2014 | CN103761895A Current transformer simulation examination system and working method |
04/30/2014 | CN103761855A Contact bounce and actuation time test system based on power line communication |
04/30/2014 | CN103760896A Hardware-in-loop test device and method for vehicle-mounted charger control device of new energy automobile |
04/30/2014 | CN103760885A Electrical simulation testing bench for screw type water-cooled chiller/heat pump set |
04/30/2014 | CN103760512A Voltage booster simulator |
04/30/2014 | CN103760501A Lamp aging test line |
04/30/2014 | CN103760500A Lamp test circuit and lamp tester comprising same |
04/30/2014 | CN103760499A Power panel testing method and device |
04/30/2014 | CN103760498A Automatic calibration device for power module and calibration method |
04/30/2014 | CN103760497A Post-evaluation method and system of storage batteries |
04/30/2014 | CN103760496A Charge and discharge capacity testing device and method for power battery pack of electric vehicle |
04/30/2014 | CN103760495A Method for generating SOC source in BMS detection and method for testing SOC estimated accuracy |
04/30/2014 | CN103760494A Method and system for estimating battery capacity online |
04/30/2014 | CN103760493A Detecting method and system for health state of extended-range electric vehicle power battery |
04/30/2014 | CN103760492A Method for online testing performance of lead-acid storage cells of transformer substation |
04/30/2014 | CN103760491A Electric quantity monitoring method and device for digital storage battery |
04/30/2014 | CN103760490A Stepper motor driver acceleration and deceleration performance testing device and method |
04/30/2014 | CN103760489A Intelligent detection device for high-voltage circuit breaker |
04/30/2014 | CN103760488A Test pad sharing circuit |
04/30/2014 | CN103760487A Testing device for SVG driver board |
04/30/2014 | CN103760486A Function testing device of special chip on circuit board |
04/30/2014 | CN103760485A Backend detecting method for diodes and audions |
04/30/2014 | CN103760484A Novel method for testing back gate effect |
04/30/2014 | CN103760483A Optical-electrical characteristic testing system for OLED device |
04/30/2014 | CN103760482A Photoelectric testing apparatus for LED packaging |
04/30/2014 | CN103760481A Illumination radiation automatic test system |
04/30/2014 | CN103760480A Method for judging composite insulator fault by utilization of infrared temperature measurement technology |
04/30/2014 | CN103760479A Portable corona positioning instrument |
04/30/2014 | CN103760478A High-repeatability standard creeping discharge model device |
04/30/2014 | CN103760477A Withstand voltage test mechanism |
04/30/2014 | CN103760476A Device, system and method for testing internal discharge of cables for satellite |
04/30/2014 | CN103760475A High-power microwave vacuum sparking experiment research device |
04/30/2014 | CN103760474A OPGW optical cable stress testing method |
04/30/2014 | CN103760473A Method for discriminating fault branch of overhead line-power cable mixed connection line |
04/30/2014 | CN103760472A Identically named fault phrase sequence diagnosis method of double-circuit lines on the same tower |
04/30/2014 | CN103760471A Electric transmission line single-phase earth fault direction discriminating method based on instantaneous sampled values |
04/30/2014 | CN103760470A Electric transmission line inter-phase short circuit fault direction discriminating method based on discrete sampled values |
04/30/2014 | CN103760469A Line single-phase earth fault positioning method based on before-and-after fault voltage phase characteristic |
04/30/2014 | CN103760468A Double-circuit line non-synchronous sampling double-end fault distance detection method based on jacobian matrix |
04/30/2014 | CN103760467A Method for inspecting single-phase earth fault point of power distribution network |
04/30/2014 | CN103760466A Disturbance source positioning system and method based on offline data |
04/30/2014 | CN103760465A Single-phase earth fault direction judgment and processing method of small current grounding system |
04/30/2014 | CN103760464A Small current grounding system fault line selecting method based on analytic graph solving and SVM |
04/30/2014 | CN103760463A Low-current line selection method based on DTU |
04/30/2014 | CN103760462A Current transient quantity principal component cluster analysis direction protection method for power transmission line with static synchronous series compensator |
04/30/2014 | CN103760461A Bus protection method based on sudden-change direction of fault current containing power frequency bands |
04/30/2014 | CN103760460A Bergeron model-based high-voltage direct-current earth electrode line time-domain fault range finding method |
04/30/2014 | CN103760459A Detector for cable fracture positions |
04/30/2014 | CN103760458A Single-phase grounding fault direction discriminating method of double-circuit lines on the same tower |
04/30/2014 | CN103760457A Cable checking circuit structure and common-line-free cable checking method |
04/30/2014 | CN103760456A Power grid capacitive type equipment insulation monitoring system based on rough set theory |
04/30/2014 | CN103760455A Power battery pack electric leakage detection system |
04/30/2014 | CN103760454A MOV lightning arrester leakage current detection device, remote monitoring system and method |
04/30/2014 | CN103760453A Three-phase input UPS parallel machine system and bypass input wiring detection method |
04/30/2014 | CN103760452A Electronic gun heat measurement system for electron beam analyzer and monitoring and correction method thereof |
04/30/2014 | CN103760451A Method and device for detecting interface access modes of intelligent secret key device |
04/30/2014 | CN103760450A One-tower double-circuit transmission line distance protection range spanning test method based on RTDS |
04/30/2014 | CN103760449A Merging unit based on MMS and test stimulus amount applying method |
04/30/2014 | CN103760448A Comprehensive live test method of insulation defects of metal oxide arrester for electric power |
04/30/2014 | CN103760447A Alternating-current fault detection method for high-voltage direct-current power transmission |
04/30/2014 | CN103760446A Crystal oscillator performance detector |
04/30/2014 | CN103760445A Method for testing shielding effectiveness of irregular structure cavity based on reverberation room |
04/30/2014 | CN103760444A ESD transient state detection circuit |
04/30/2014 | CN103760443A Board card automatic testing system and testing method thereof |
04/30/2014 | CN103760442A Fault indicator probe and automatic calibration method thereof |
04/30/2014 | CN103760441A Multifunctional adjustment table of distribution box |
04/30/2014 | CN103760440A Power system fault monitoring method and system |
04/30/2014 | CN103760439A Automatic test system of avionic system |
04/30/2014 | CN103760438A Testing device and testing method for shielding effectiveness of low-frequency magnetic shielding fabric |
04/30/2014 | CN103760437A Method for testing display data of electronic cipherer COB circuit board |
04/30/2014 | CN103760436A Intelligent electronic device program-control tester |
04/30/2014 | CN103760435A Fault identification method for electric current semi-cycle absolute value integral differential formula of ratio restrain characteristics |
04/30/2014 | CN103760434A Self-adaption phase deviation island detection method based on fuzzy control |
04/30/2014 | CN103760433A Simulation test method for high impact current |
04/30/2014 | CN103760432A Polar orbit satellite bus power cable secondary discharge ground simulation test system and method |
04/30/2014 | CN103760431A Integrated online monitoring device of parallel capacitor |
04/30/2014 | CN103760430A Apparatus capable of improving experimental ability of power capacitor |
04/30/2014 | CN103760413A Current detection system of fault indicator and current detection low-temperature compensation method of fault indicator |
04/30/2014 | CN103760411A Direct-current bus voltage wave-recording device |
04/30/2014 | CN103760404A Storage battery voltmeter with adjustable test pencil electrode distance |
04/30/2014 | CN103760401A System and method for testing leakage current of zinc oxide arrester |
04/30/2014 | CN103760388A Four-wire test fixture and test method thereof |
04/30/2014 | CN103759950A Automobile rear-view mirror assembly detection device |
04/30/2014 | CN103759870A Method and system for measuring output power value of intermittent acting device |
04/30/2014 | CN102736033B Automotive fuel cell stack and module durability assessment condition and assessment method |
04/30/2014 | CN102621413B Filed maintenance strategy optimizing determination method for converter transformer |
04/30/2014 | CN102611140B Grid-connected inverter island detection method based on wavelet transform and neural network |
04/30/2014 | CN102590701B Coordinate calibration method for power transmission line towers |
04/30/2014 | CN102565628B Method for identifying properties of lightning faults of overhead line on basis of amplitude interval distribution of lightning current |
04/30/2014 | CN102565614B Alternating voltage loop test method |
04/30/2014 | CN102565612B Substation bus fault and insulation automatic detecting device |