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)
08/2012
08/15/2012CN202383214U Hydraulic support detecting device
08/15/2012CN202383213U Cylindrical conductive tube testing tool
08/15/2012CN202383212U Closed loop test system for simulating STATCOM
08/15/2012CN202383211U Control system used for frequency converter whole machine tester
08/15/2012CN202383191U Sensor for detecting insulation characteristic of shielding gate in rail transit
08/15/2012CN202383175U Circuit for eliminating interference of square wave excitation source
08/15/2012CN202383167U 测试夹具 Test Fixture
08/15/2012CN202383159U Loop resistance testing and measuring apparatus
08/15/2012CN202383148U High voltage circuit breaker speed detector
08/15/2012CN202382936U Mechanical life test device for power supply on/off button for textile machinery control system
08/15/2012CN202382852U Detecting device for LED (Light-Emitting Diode) lamp
08/15/2012CN202382764U Semi-automatic four-station delay table
08/15/2012CN102640383A Battery system
08/15/2012CN102640374A Line fault detector
08/15/2012CN102639941A Method for controlling electric compressor
08/15/2012CN102638251A Circuit for detecting and preventing setup fails and the method thereof
08/15/2012CN102638197A Solar photovoltaic component, method for tracking maximum power point thereof and method for monitoring fault thereof
08/15/2012CN102638069A Non-polar safe charger circuit
08/15/2012CN102638068A Electrodeless safety charger circuit
08/15/2012CN102638067A Electrodeless safety charger circuit
08/15/2012CN102638066A Electrodeless safety charger circuit
08/15/2012CN102638031A Arc suppression coil device
08/15/2012CN102637399A Stereo image display testing device and testing method
08/15/2012CN102637037A Monitoring method of inspection robot power supply
08/15/2012CN102636760A Chain link ageing testing device for chain type inverter systems and method
08/15/2012CN102636759A Method for accurately calculating battery electric quantity system-on-chip (SOC) in real time
08/15/2012CN102636758A Simulating light source device and simulating method for solar battery attenuation test
08/15/2012CN102636757A Battery capacity management method
08/15/2012CN102636756A Automotive battery soc estimation based on voltage decay
08/15/2012CN102636755A Quick measurement method for charge retention capability of battery
08/15/2012CN102636754A Battery residual capacity pre-estimating method and system
08/15/2012CN102636753A Testing method of low-voltage ride through capability of fossil power plant auxiliary engine
08/15/2012CN102636752A Device for testing linear generator
08/15/2012CN102636751A Alternating-current brushless generator fault detection method based on exciter exciting current
08/15/2012CN102636750A Double-stand-column lifting type tidal current energy power generation seaborne test device
08/15/2012CN102636749A Method for measuring motor parameter
08/15/2012CN102636748A Multi-factor detection system for ageing state of electromagnetic relay and ageing state estimation method
08/15/2012CN102636747A Operating platform of switch life test operating mechanism
08/15/2012CN102636746A Test device for alternating current and direct current small-capacity switch element
08/15/2012CN102636745A Real-time online monitoring device for electrical life of circuit breaker and monitoring method
08/15/2012CN102636744A Device and method for detecting relationship between single event effects and time sequence characteristics of FPGA (Field Programmable Gate Array)
08/15/2012CN102636743A Rare-vector-sequence-activated lossless detection method for hardware Trojans in integrated circuits
08/15/2012CN102636742A Large-scale analogue circuit fault diagnosis method based on wavelet neural network
08/15/2012CN102636741A Method and system for testing circuit board
08/15/2012CN102636740A Method for predicting faults of power electronic circuit based on FRM-RVM (fuzzy rough membership-relevant vector machine)
08/15/2012CN102636739A Multi-station positioning device for testing integrated circuits
08/15/2012CN102636738A Circuit for detecting and recording chip fails and the method thereof
08/15/2012CN102636737A Device for testing high-power concentrating cell by use of fast and simple power meter
08/15/2012CN102636736A Online monitoring system for partial discharge of middle-high voltage power cable
08/15/2012CN102636735A High voltage and current testing device for integrated circuits
08/15/2012CN102636734A Low-voltage electric fire prevention and detection device
08/15/2012CN102636733A Portable network record analyzer
08/15/2012CN102636732A Method for searching for 10kV power grid grounding based on six-sigma tool
08/15/2012CN102636731A Power distribution network single-phase disconnection judging and addressing method based on load measuring and recording system
08/15/2012CN102636730A Temperature rise strain monitoring and alarming and fault analysis method for composite submarine cable
08/15/2012CN102636729A Method and apparatus for detecting earth fault
08/15/2012CN102636728A Method for identifying negative damping low-frequency oscillation based on force moment decomposition method
08/15/2012CN102636727A Polarity tester of current transformer
08/15/2012CN102636726A Method for carrying out adaptive discriminating on polarity of CT (current transformer) of new line in distribution network
08/15/2012CN102636725A Radio frequency test method for 2M coaxial cable
08/15/2012CN102636724A Portable multi-functional serial crosstalk detector
08/15/2012CN102636723A Secondary cable checking method for transformer substation
08/15/2012CN102636722A Detection device for preventing switching-on of grounding wires
08/15/2012CN102636721A Ground fault detector for power transmission line
08/15/2012CN102636720A Short-circuit testing device and testing method for lithium ion battery after assembling
08/15/2012CN102636719A Detection circuit and detection system for detecting pin abnormality of differential pair in display interface
08/15/2012CN102636718A Mutual capacitance touch screen detection method
08/15/2012CN102636717A Portable three-phase load acquisition recorder for low-pressure multipath outgoing cable
08/15/2012CN102636716A Electrified test method for testing refrigeration equipment
08/15/2012CN102636715A Integrated electrical test comprehensive testing system
08/15/2012CN102636714A Comprehensive performance test bed for electromagnetic valve of execution mechanism of automobile electric control system
08/15/2012CN102636713A Monitoring method for electric energy quality of distributed wind power generation
08/15/2012CN102636712A Automatic testing system for SD (secure digital) card compatibility of vehicular radio-cassette players and method
08/15/2012CN102636711A Frequency converter testing system
08/15/2012CN102636710A Online monitoring system of high-voltage equipment
08/15/2012CN102636709A Circuit capable of fast recognizing types of chargers and recognizing method for circuit
08/15/2012CN102636708A Intelligent substation process layer network simulating system and device simulator
08/15/2012CN102636707A Power supply failure recording system with GPS (global positioning system) clock
08/15/2012CN102636706A Method for identifying branches with parameter errors in power grid
08/15/2012CN102636705A Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof
08/15/2012CN102636704A Testing method, device and system for electronic product
08/15/2012CN102636702A Bounded-wave electromagnetic pulse simulator of elliptic arc transition section
08/15/2012CN102636698A Circuit board automatic testing system and method
08/15/2012CN102636685A Novel battery-free generator voltage measuring alarm system
08/15/2012CN102636680A Electric signal measurement device and storage battery floating charge current online monitoring device
08/15/2012CN102636666A Nuclear power plant loop test system and method
08/15/2012CN102636352A Simulation experiment system of permanent magnet direct-driven wind turbine generator set
08/15/2012CN102636291A IGBT (insulated gate bipolar transistor) conjunction temperature detection device and method thereof
08/15/2012CN102636274A Intelligent temperature monitoring system of crosslinked polyethylene XLPE power cable
08/15/2012CN102004201B Cable gas insulated switchgear (GIS) terminal tester
08/15/2012CN101963640B Detection system and detection method of direct-current charging post
08/15/2012CN101937033B Automatic testing device of performance of electromagnet for valve
08/15/2012CN101930041B High-voltage multi-point testing equipment and method with main and auxiliary steps
08/15/2012CN101915891B Failure detection method for digital products
08/15/2012CN101846722B Chopped wave lightning impulse test device and method of transformer
08/15/2012CN101820166B Magnetizing inrush current discrimination method based on equivalent excitation impedance frequency domain character of transformer
08/15/2012CN101800414B Method for judging and protecting low voltage in transformer short circuit fault
08/15/2012CN101769970B Method for producing touch control procedure
08/15/2012CN101765781B Operation status diagnosing device for external control means
08/15/2012CN101615602B Semiconductor device, test mould and test method