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)
02/2014
02/19/2014CN203444046U Electric energy quality monitoring apparatus
02/19/2014CN203444045U Rotary multi-station comprehensive performance auxiliary testing device for electromagnetic valve coils
02/19/2014CN203444044U High-voltage capacitor charging and discharging test device
02/19/2014CN203444043U Amorphous alloy iron core packaging test table
02/19/2014CN203444042U Distribution fault monitoring system
02/19/2014CN203444041U Shearer electrical test bench
02/19/2014CN203444040U Lightning arrester test bench
02/19/2014CN203444039U High-voltage capacitive equipment on-line monitoring system
02/19/2014CN203444038U Air mouse testing system
02/19/2014CN203444037U Detection tool
02/19/2014CN203444036U Transformer alarm
02/19/2014CN203444035U Power distribution data online monitoring system based on wireless network technology
02/19/2014CN203444034U Fault diagnosis system of coal mining machine frequency converter
02/19/2014CN203444033U Locomotive direct power supply passenger train centralized control signal detector
02/19/2014CN203444032U Apparatus for inspecting electrical property of electric toy
02/19/2014CN203444031U Modularized multi-level current transformer tester
02/19/2014CN203444030U Vehicle instrument reliability testing system
02/19/2014CN203444029U Multi-pin scanning box
02/19/2014CN203444028U Novel transformer scanning tester
02/19/2014CN203444027U Signal line detection plate
02/19/2014CN203444026U Inverter energy recharge simulated power grid test system
02/19/2014CN203444025U Broke wire and arc test apparatus
02/19/2014CN203444019U Ultrahigh-frequency sensor and detecting device
02/19/2014CN203444016U Resistance measuring device for circuit breaker comprising varistor
02/19/2014CN203444007U Electronic test pencil with voice prompt function
02/19/2014CN203443987U Fault arc generator
02/19/2014CN203443983U Transformer scanning box test signal connection circuit
02/19/2014CN203443976U Motor test bench protective cover
02/19/2014CN203443975U Touch screen scribing test jig
02/19/2014CN203443974U Strong and weak electricity switching and testing circuit
02/19/2014CN203443769U Test system used for detecting luminous flux of xenon lamp
02/19/2014CN203443604U Test equipment for rotating speed correcting amplifier
02/19/2014CN103597366A Insulated metal socket
02/19/2014CN103597365A Locating of partial-discharge-generating faults
02/19/2014CN103597364A Device for detecting a defect in insulation
02/19/2014CN103597363A Method and system for detecting an arc fault in a photovoltaic power system
02/19/2014CN103595862A Test system of MIPI DSI controller
02/19/2014CN103595290A Modularized electronic switch used for high-pressure oscillatory wave generator
02/19/2014CN103595264A High-frequency power source with site manual operation system
02/19/2014CN103595099A Intelligent digital charging monitoring meter
02/19/2014CN103594733A Automatic sorting machine for lithium battery cores
02/19/2014CN103594453A Test structure for dielectric breakdown reliability analysis in integrated circuit and test method thereof
02/19/2014CN103594294A Method for detecting mechanical characteristics of circuit breaker operating mechanism and circuit breaker operating mechanism
02/19/2014CN103593968A Line patrol detection system and method for high-voltage transmission lines on basis of laser communication
02/19/2014CN103592615A Intelligent testing device of built-in load switch of electric energy meter
02/19/2014CN103592613A Testing calibration instrument, testing system and testing method
02/19/2014CN103592607A Pulse testing method for high-power driving source
02/19/2014CN103592606A Probe testing device for battery piece and battery piece current measuring method using probe testing device
02/19/2014CN103592605A Lithium thionyl chloride battery pack management system and method
02/19/2014CN103592604A Systems and methods for battery parameter estimation
02/19/2014CN103592603A Circuit, system and method for measuring a battery
02/19/2014CN103592602A Photovoltaic cell output power sensor
02/19/2014CN103592601A Test system automatically detecting battery capacity according to charging and discharging curves
02/19/2014CN103592600A Synthetic loop test synchronous control system suitable for high-voltage breaker
02/19/2014CN103592599A USB-based logic analyzer triggering device
02/19/2014CN103592598A Sampling device for timing analysis of logic analyzer
02/19/2014CN103592597A Fault mutual-detection method for voltage linear isolating circuit and voltage comparison circuit
02/19/2014CN103592596A Output isolation-type power-source PCB connecting board testing circuit
02/19/2014CN103592595A Fault diagnosis method of switching current circuit
02/19/2014CN103592594A Circuit test system and circuit test method
02/19/2014CN103592593A Semiconductor circuit and methodology for in-system scan testing
02/19/2014CN103592592A IGBT switch characteristic test circuit and IGBT switch characteristic test method
02/19/2014CN103592591A IGBT module testing circuit and method on condition of no antiparallel diode
02/19/2014CN103592590A System and method for testing light-electricity-heat integration of LED device
02/19/2014CN103592589A Digital storage transistor characteristic graphic instrument test system
02/19/2014CN103592588A Simulation device of floating potential flaws inside GIS power equipment
02/19/2014CN103592587A Partial discharge diagnosis method based on data mining
02/19/2014CN103592586A Power cable insulation monitoring system
02/19/2014CN103592585A Judging method and system for partial discharge position of IGBT power module
02/19/2014CN103592584A Substation discharging source locating method based on electromagnetic wave detection
02/19/2014CN103592583A Generator stator bar insulation online detection device based on gas detection
02/19/2014CN103592582A Sulfur hexafluoride decomposition experiment system
02/19/2014CN103592581A Alternating current voltage withstand test device for rubber and plastic cable
02/19/2014CN103592580A Insulator haze and pollution flashover online monitoring system and method
02/19/2014CN103592579A Impulse discharge voltage calculating model construction method
02/19/2014CN103592578A High-voltage insulation tester of cable
02/19/2014CN103592577A Integrated directional non-contact cable fault detection positioning sensing device
02/19/2014CN103592576A GIS-based anti-theft monitoring and positioning system for power cables and monitoring method
02/19/2014CN103592575A Self-adaptation weighting data fusion fault distance measurement method based on multi-sensor system
02/19/2014CN103592574A Low-current line selection method and system
02/19/2014CN103592573A Fault distance measuring method for non-parallel-state uplink and downlink traction network where partitions are located
02/19/2014CN103592572A Method for direct current grounding electrode line fault distance measurement through intersecting line positioning of direct current component and harmonic component
02/19/2014CN103592571A Method for achieving single-phase earth fault line selection of small current grounding system
02/19/2014CN103592570A Method for calculating single-phase earth fault point of parallel double-circuit line
02/19/2014CN103592569A Extra-high voltage direct-current transmission line fault location method based on high frequency value attenuation characteristics
02/19/2014CN103592568A Feeder line fault addressing method based on different-pulse peak sets
02/19/2014CN103592567A Grid fault locating system and method based on multisystem information integration
02/19/2014CN103592566A Wireless communication based power distribution network distributed online monitoring and fault positioning system
02/19/2014CN103592565A Position detection method and device for fault of cable
02/19/2014CN103592564A Grounding judgment device of voltage transformer grounded neutral wire for protecting transformer substation
02/19/2014CN103592563A Direct current system insulation on-line monitoring device
02/19/2014CN103592562A Portable insulation measurement electrode device
02/19/2014CN103592561A Device for detecting current mutual inductor secondary wiring
02/19/2014CN103592560A Method for testing dismantlement prevention function of main board
02/19/2014CN103592559A Earth fault detection circuit and power source device
02/19/2014CN103592558A Method and device for detecting grounding abnormity
02/19/2014CN103592557A Radio frequency line tester
02/19/2014CN103592556A Device with function of automatically detecting cooperative tightness
02/19/2014CN103592555A Network interface monomer test equipment
02/19/2014CN103592554A On-line monitoring system and method of 35kV high voltage shunt capacitor