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)
04/2014
04/16/2014CN203550117U Air-conditioner temperature control device with motor failure detecting function
04/16/2014CN203541368U Pin adjuster for semiconductor elements
04/16/2014CN103733466A Capacitively coupled cell balancer with a common AC bus
04/16/2014CN103733419A Device for improving stability of secondary battery and method thereof
04/16/2014CN103733408A Fuel cell inspection method and inspection device
04/16/2014CN103733081A Method for determining a maximum available constant current of a battery
04/16/2014CN103733080A Method and device for detecting a deterioration in the state of an insulation in an operating electric machine
04/16/2014CN103730914A Electrical quantity based anti-islanding device and operation method thereof
04/16/2014CN103730907A Defense method for commutation failures of direct-current transmission based on current limiting method
04/16/2014CN103730882A Current protection system and method for being automatically adapted to distributed power connection
04/16/2014CN103730384A TFT electrical property measuring method and device
04/16/2014CN103730269A Fault indicator and column switch with same
04/16/2014CN103730241A Transformer model for direct-current magnetic biasing test
04/16/2014CN103729990A On-line cable line monitoring system based on all-in-one sensor
04/16/2014CN103728572A Load test method and test circuit and switching power supply utilizing same
04/16/2014CN103728571A Power source detection circuit and method
04/16/2014CN103728570A Battery-thermal-characteristic-based health state detection method
04/16/2014CN103728569A Storage battery capacity predication method based on multi-factor grey correlation model
04/16/2014CN103728568A Method and device for detecting single lithium battery voltage
04/16/2014CN103728567A Charge state estimation method based on initial value optimization
04/16/2014CN103728566A Method for correcting SOC based on different temperature and rate charging curves
04/16/2014CN103728565A Method for detecting whether battery pack is qualified or not
04/16/2014CN103728564A SOH value estimation method of hybrid electric vehicle
04/16/2014CN103728563A Method for measuring and calculating health status of batteries
04/16/2014CN103728562A Vehicle battery pack cell voltage determination
04/16/2014CN103728561A Method of estimating battery life, battery life estimation device and electric vehicle
04/16/2014CN103728560A Power estimation device and method for estimating chargeable/dischargeable power of electric storage device, electric storage apparatus
04/16/2014CN103728559A System for controlling and diagnosing motor
04/16/2014CN103728558A Hub motor on-load EMC performance test system
04/16/2014CN103728557A System and method for testing relay protection system in closed loop non-invasively
04/16/2014CN103728556A On-off state signal collecting method and on-off state signal collecting circuit
04/16/2014CN103728555A Temperature rise test circuit of low-voltage complete set switchgear and test method thereof
04/16/2014CN103728554A System for online monitoring high-voltage switches
04/16/2014CN103728553A Method for verifying electric energy measuring chip
04/16/2014CN103728552A Chip pin connection relation detection method and system
04/16/2014CN103728551A Analog circuit fault diagnosis method based on cascade connection integrated classifier
04/16/2014CN103728550A PCB performance detecting jig
04/16/2014CN103728549A Testing method and device of crystal oscillation circuit
04/16/2014CN103728548A Rail circuit tester based on RFID
04/16/2014CN103728547A Testing system used for testing circuit board and leakage current testing method
04/16/2014CN103728546A Transistor life test acceleration and operating point stabilization system
04/16/2014CN103728545A Method for evaluating Schottky contact reliability of GaN-based device
04/16/2014CN103728544A Detection device
04/16/2014CN103728543A Method and device for online monitoring and diagnosis on insulation state of gas insulated switchgear (GIS) invaded by steep waves
04/16/2014CN103728542A Forbidden band ultra-high-frequency sensor used for spatial orientation of discharging source of transformer substation
04/16/2014CN103728541A Standardized test device for cross arm shields
04/16/2014CN103728540A Alternating-current / direct-current voltage withstand testing device for arc discharge monitoring
04/16/2014CN103728539A Distributive optical fiber temperature measurement based cable electrical failure simulation analysis method
04/16/2014CN103728538A Ground fault line selecting method for small current grounding system
04/16/2014CN103728537A Voltage-dead-zone-free fault direction determining system and method
04/16/2014CN103728536A Multi-source data grid fault identification method
04/16/2014CN103728535A Extra-high-voltage direct-current transmission line fault location method based on wavelet transformation transient state energy spectrum
04/16/2014CN103728534A Power cable fault monitoring and remote transmission system
04/16/2014CN103728533A High-power non-contact charging system main circuit fault detection device
04/16/2014CN103728532A Power distribution network single-phase grounding fault judging and locating method
04/16/2014CN103728531A Testing device for LED system control board
04/16/2014CN103728530A Method for detecting connection quality among unit batteries of batter pack
04/16/2014CN103728529A Switch interval state distinguishing method
04/16/2014CN103728528A MMC submodule diagnosis method based on switching frequency statistics
04/16/2014CN103728527A System for monitoring fault of loop on multi-bus section of direct current system
04/16/2014CN103728526A Imd connector detecting device
04/16/2014CN103728525A Automatic probe ground connection checking techniques
04/16/2014CN103728524A Error indication pin circuit
04/16/2014CN103728523A Urban power grid yield measuring method
04/16/2014CN103728522A Satellite timing and management network based micro power grid islanding detection method and system
04/16/2014CN103728521A Synchronous time service remote communication type island detection method and system
04/16/2014CN103728520A Information and communication technology (ICT) test needle bed
04/16/2014CN103728519A Vertical type electronic transformer electric performance testing and ultraviolet curing device
04/16/2014CN103728518A System and method for debugging frequency converter
04/16/2014CN103728517A Correcting algorithm for transformer state assessment by considering poor working conditions
04/16/2014CN103728516A Soc chip clock detection circuit
04/16/2014CN103728515A Device and method for detecting circuit of array substrate with wires densely arranged
04/16/2014CN103728514A Method for diagnosing fault of low-voltage frequency converter
04/16/2014CN103728513A Testing device for plug-in of positive electrode and negative electrode of photovoltaic connector
04/16/2014CN103728512A Reliability test board and PCB inter-hole CAF failure analysis method
04/16/2014CN103728511A High-voltage direct-current transmission grounding grid state online monitoring system and monitoring method
04/16/2014CN103728510A Site testing system and method for excitation device
04/16/2014CN103728509A Fault arc signal imitation generation device
04/16/2014CN103728508A Device and method for testing steady-state operation of MMC flexible direct current sub-module
04/16/2014CN103728507A Grid fault diagnosis method based on data mining
04/16/2014CN103728506A Method for judging saturated harmonic instability of HVDC system converter transformer iron core
04/16/2014CN103728505A Detection device
04/16/2014CN103728504A Method for detecting islanding operation of distributed power generator
04/16/2014CN103728485A Synchronous voltage detection device with protection function
04/16/2014CN103728477A Three-phase kilowatt-hour meter false wiring automatic conversion method
04/16/2014CN103728475A Anechoic chamber
04/16/2014CN103728078A Test motor and method for achieving exciting force measurement of rotor bearing outer ring
04/16/2014CN103728037A Junction temperature monitoring circuit system for high-power LED reliability test
04/16/2014CN103727981A Testing device for fan disk mainboard
04/16/2014CN103723280A Supply system for an aircraft, use of a shielded supply line in an aircraft and an aircraft with a supply system
04/16/2014CN103723051A State synchronizing and tracking method of distributed battery management system
04/16/2014CN103176084B Intelligent substation simulation system in panoramic replace mode and integration testing method for intelligent substation simulation system
04/16/2014CN103163451B Super computing system oriented self-gating boundary scan test method and device
04/16/2014CN103149527B Printed circuit board (PCB) detecting device and corresponding method
04/16/2014CN103091615B Method to measure response curve of image sensor and device
04/16/2014CN102829333B Rechargeable flashlight
04/16/2014CN102768319B Device for testing reliabilities of photovoltaic grid-connected inverters
04/16/2014CN102707103B Deformation test lead wire of anti-interference type transformer winding and testing device formed by same
04/16/2014CN102680831B Portable debugging device for traction invertor
04/16/2014CN102654539B Method for evaluating operation state of electronic instrument transformer
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