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)
04/2014
04/09/2014CN203535141U An automatic parallel connection electric arc test apparatus
04/09/2014CN203535140U An electric energy quality on-line monitoring device and a monitoring system
04/09/2014CN203535139U A novel dynamic test circuit for a tuning fork crystal
04/09/2014CN203535138U Test device for testing high voltage energy-storage capacitor
04/09/2014CN203535137U Detecting device capable of protecting equipment by utilization of record and playback
04/09/2014CN203535136U Capacitor test board used for voltage processing tests
04/09/2014CN203535135U Precision-type direct-driven arc generation experimental device
04/09/2014CN203535134U Piezoelectric ceramic fast steering mirror dynamic frequency response test system
04/09/2014CN203535133U Switchgear cabinet electrical test device
04/09/2014CN203535132U Electromagnetic cooker energy efficiency automatic testing device
04/09/2014CN203535131U Remote signal indication device for anti-thunder product
04/09/2014CN203535130U Radio frequency test shielding box
04/09/2014CN203535129U Vacuum and gas simulation environment testing chamber
04/09/2014CN203535128U Crosslinked polyethylene high-voltage cable on-line monitoring and early warning system
04/09/2014CN203535127U Zinc oxide lightning arrester on-line monitor
04/09/2014CN203535121U Device for measuring losses of different overlapping forms of transformer iron cores
04/09/2014CN203535120U Detection device of automobile electronic module input circuit filter capacitor
04/09/2014CN203535083U Integrated intelligent switch plate for high-voltage test
04/09/2014CN203535077U Breaker terminal wire clamp
04/09/2014CN203534846U Motor multiparameter real-time data acquisition system
04/09/2014CN203534827U Check and repair early warning device
04/09/2014CN203534638U Detection system for single capacitor signal for new energy automobile
04/09/2014CN203534629U Novel device for on-line monitoring of temperature and current of power equipment
04/09/2014CN103718618A Monitoring battery in portable electronic device
04/09/2014CN103718425A System and method for allocating identifier to multi-BMS
04/09/2014CN103718418A System and method for estimating the end-of-charge time of a battery
04/09/2014CN103718405A Ground fault protection
04/09/2014CN103718055A Systems and apparatus for fault detection in dc power sources using ac residual current detection
04/09/2014CN103718054A Device for monitoring an electrical accumulation battery and associated method
04/09/2014CN103718053A Device for estimating state of deterioration of secondary battery and method for estimating state of deterioration
04/09/2014CN103718052A Shuttle plate having pockets for accommodating multiple semiconductor package sizes
04/09/2014CN103718051A Circuit for conducting electric current
04/09/2014CN103716205A Method for applying light-emitting diode in communication operating maintaining
04/09/2014CN103715738A Bi-directional connection confirmation circuit for charging pile and vehicle
04/09/2014CN103715658A Modular multilevel converter bridge arm short circuit fault protection method
04/09/2014CN103715378A Battery module and insulation inspecting method of battery module
04/09/2014CN103713410A Array substrate and display device
04/09/2014CN103713266A Signal lamp detecting tool and testing method
04/09/2014CN103713265A Burn-in detection system
04/09/2014CN103713264A Battery management system SOC estimation precision test system and test method
04/09/2014CN103713263A State evaluation apparatus, method and program of secondary battery
04/09/2014CN103713262A System and method for calculating distance to empty of green vehicle
04/09/2014CN103713261A Induction motor air-gap eccentric fault detection system and detection method
04/09/2014CN103713260A Major loop detecting equipment for frame breaker
04/09/2014CN103713259A A middling pressure whole set switch equipment self-diagnosis system and method based on the Internet of Things
04/09/2014CN103713258A Relay failure detection circuit
04/09/2014CN103713257A Molded case circuit breaker position detecting apparatus and detecting method
04/09/2014CN103713256A Dual compression method used for cpu automatic pick-and-place machine
04/09/2014CN103713255A Circuit fault detection method, circuit fault detection system and controller
04/09/2014CN103713254A Scan clock domain distribution method for integrated circuit
04/09/2014CN103713253A System and method for online detection of illumination, chrominance and junction temperature decay characteristics of LED
04/09/2014CN103713252A Method of evaluating ohmic contact high-voltage reliability of GaN-based semiconductor device
04/09/2014CN103713251A Method for verifying relation between voltage of LED white light chip and ITO film
04/09/2014CN103713250A Operation mode self-adaptive setting method for thyristor valve operation test
04/09/2014CN103713249A On-line identification method of operation test state parameters of converter valve
04/09/2014CN103713248A Method for testing diode by using computer
04/09/2014CN103713247A Method for detecting service lifetime of solar module
04/09/2014CN103713246A Detecting head used for high voltage test on motor commutator
04/09/2014CN103713245A XLPE cable partial discharge on-line monitoring system
04/09/2014CN103713244A Electrified detection device and method used for local discharging of distributing cables
04/09/2014CN103713243A 10-V switch cabinet internal discharge detection device based on electromagnetic wave antenna receiving array
04/09/2014CN103713242A Novel ultrahigh frequency sensor for positioning local discharge source space and array thereof
04/09/2014CN103713241A Partial discharge monitoring system and method based on M-BUS
04/09/2014CN103713240A High-precision wireless cable partial discharge detector
04/09/2014CN103713239A Line fault detection method based on current direction and times
04/09/2014CN103713238A Alarm current value settable bi-color fault indicator
04/09/2014CN103713237A Power system electric transmission line fault diagnosis method
04/09/2014CN103713236A Method for automatically judging electric transmission line icing fault
04/09/2014CN103713235A Turbine generator rotor interturn short-circuit fault diagnosis method based on end distortion effect
04/09/2014CN103713234A Method and device for recognizing electric reactor faults
04/09/2014CN103713233A Low-voltage distribution subcircuit identifying device
04/09/2014CN103713232A Intelligent alarm capable of preventing battery reverse polarity
04/09/2014CN103713231A Detector for short dot between multi-strand composite transposition winding wire integrations
04/09/2014CN103713230A Wire testing system and method
04/09/2014CN103713229A Cable false-soldering detection system and method
04/09/2014CN103713228A N channel field-effect transistor type drive integration circuit with failure diagnosis device
04/09/2014CN103713227A Detection method and device for earth faults
04/09/2014CN103713226A On-line fault pre-diagnosis device of low voltage distribution panel
04/09/2014CN103713225A Capacity discharge tester
04/09/2014CN103713224A Device for detecting overall performance of battery piece
04/09/2014CN103713223A Method for flickering measuring of self-adaption range low storage data volume
04/09/2014CN103713222A Working condition transformation method for vehicle electric quantity balance test
04/09/2014CN103713221A Low-frequency transformer automatic comprehensive test machine based on GROOVY data collecting and analyzing system controlled by PLC
04/09/2014CN103713220A Low-temperature container capable of achieving temperature changing and pressure changing
04/09/2014CN103713219A Electronic component detection equipment and detection method thereof
04/09/2014CN103713218A Crystal oscillator temperature characteristic automatic measuring method and system
04/09/2014CN103713217A Method for monitoring operating state of power transformer on line under direct-current magnetic bias condition
04/09/2014CN103713216A Intelligent on-line monitoring device of medium voltage switchgear
04/09/2014CN103713215A System and method for detecting X-ray tube running state
04/09/2014CN103713214A Intelligent transformer station relay protection closed loop test system
04/09/2014CN103713213A Network analyzer
04/09/2014CN103713212A Electric power terminal interface self-inspection device
04/09/2014CN103713211A Single-phase and double-phase island detection method and device of three-phase grid-connected inverter
04/09/2014CN103713210A Dry power transformer monitoring and diagnosis system
04/09/2014CN103713209A Substrate detection apparatus and substrate detection method
04/09/2014CN103713208A Monitoring and management for energy storage devices
04/09/2014CN103713207A Burn-in test device
04/09/2014CN103713206A Capacitor touch screen automatic test device
04/09/2014CN103713205A Capacitive touch screen automatic testing method
04/09/2014CN103713176A Voltage detection device and system