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)
11/2013
11/13/2013CN203287459U Subsystem debugging device of 750 kV transformer station
11/13/2013CN203287458U Heavy current experimental platform for double-fed wind power converter
11/13/2013CN203287457U Remote debugging system of on-site installation type protective relaying device
11/13/2013CN203287456U Device used for testing digital port of movement assembly of infrared detector
11/13/2013CN203287455U Transformer evaporative cooling experiment system
11/13/2013CN203287454U Computer display inspection jig
11/13/2013CN203287453U Outlet logic testing box for low-frequency-low-voltage load shedding equipment
11/13/2013CN203287452U T-joint cable testing tool
11/13/2013CN203287451U Intelligent verification system of automatic switching apparatus of stand-by power supply
11/13/2013CN203287450U A circuit for energy return-to-zero detection of a pulse transformer
11/13/2013CN203287449U Anti-island detection test load device with H-bridge structure
11/13/2013CN203287448U Improved constant temperature aging cabinet
11/13/2013CN203287447U Multilayer circuit detecting and prompting device
11/13/2013CN203287446U Low-frequency transformer test jig
11/13/2013CN203287445U DC insulator ionic migration test equipment
11/13/2013CN203287444U Comprehensive tester for electrical performance of electronic element
11/13/2013CN203287442U Live-line phase indicator
11/13/2013CN203287427U Electric energy quality testing platform
11/13/2013CN203287405U Vehicle-mounted device of induction withstand voltage testing device
11/13/2013CN203287401U A universal high-voltage mould
11/13/2013CN203287332U Immovable automatic optical check system
11/13/2013CN203282173U Automatic assembling and testing device of LED bulb lamp
11/13/2013CN103392133A Battery state estimating method and battery management system
11/13/2013CN103390907A Micro charging and discharging maintenance detecting technology of storage battery pack
11/13/2013CN103390887A Method for isolating faults of power distribution system with micro-grid
11/13/2013CN103390883A Lithium battery charging protection circuit
11/13/2013CN103390863A Intelligent control device for switch cabinet
11/13/2013CN103390787A High-power microwave testing platform
11/13/2013CN103390777A Single lithium battery device with measuring circuit
11/13/2013CN103389845A Capacitance touch screen burn test system
11/13/2013CN103389742A Grounding simulation test positioning system and positioning method thereof
11/13/2013CN103389475A Streetlamp detection system
11/13/2013CN103389474A LED electrical parameter measurement and aging testing instrument
11/13/2013CN103389473A Double-path real-time signal power supply monitoring device and control method
11/13/2013CN103389472A Lithium ion battery cycle life prediction method based on ND-AR model
11/13/2013CN103389471A Cycle life indirect prediction method for lithium ion battery provided with uncertain intervals on basis of GPR (general purpose register)
11/13/2013CN103389470A Recording device for storage battery charging times
11/13/2013CN103389469A Battery state-of-charge estimator using robust H(infinity) observer
11/13/2013CN103389468A Battery state-of-charge observer
11/13/2013CN103389467A Smart storage battery sensor using Hall sensor
11/13/2013CN103389466A Electric storage device management apparatus, electric storage device pack, electric storage device management program, and method of estimating state of charge
11/13/2013CN103389465A Method for measuring electric quantity of battery
11/13/2013CN103389464A Sea operation testing method of tidal current energy device
11/13/2013CN103389463A Engine starting motor endurance testing system and method
11/13/2013CN103389462A Method for detecting closing and opening synchronism of high-voltage circuit breaker
11/13/2013CN103389461A Breaker electronic release with breaker service life detection function
11/13/2013CN103389460A Measuring device for testing electrical circuit breaker
11/13/2013CN103389459A Fuel switch testing system capable of converting duplex into half-duplex
11/13/2013CN103389458A Testing system for fuel switch
11/13/2013CN103389457A Method for assessing service lives of fuses by determining activation energy of melts
11/13/2013CN103389456A Method for testing and scheduling hard-core-based three-dimensional SoC (system on chip) under constraint of power consumption
11/13/2013CN103389455A Detection system and detection method of driver chip
11/13/2013CN103389454A Startup-and-shutdown test system and method
11/13/2013CN103389453A Photovoltaic conversion chip testing device and method
11/13/2013CN103389452A Probe detector capable of manually and rapidly lifting and pressing probes
11/13/2013CN103389451A Testing method and testing device of avalanche photodiode
11/13/2013CN103389450A Light judgment circuit
11/13/2013CN103389449A Automatic high voltage test system
11/13/2013CN103389448A Online detection method and system for GIS (gas insulated switchgear) operational condition
11/13/2013CN103389447A Non-contact ultraviolet pulse discharge monitoring device
11/13/2013CN103389446A Electrical positioning method for partial discharge of power transformer
11/13/2013CN103389445A Insulation and voltage resistance test method for multicore connector wirings
11/13/2013CN103389444A Switching type insulation monitoring error self-adapting method based on voltage prediction
11/13/2013CN103389443A Test method of dynamic breakdown voltage of silicon on insulator MOS device
11/13/2013CN103389442A Transformer substation electrical device alternating current withstand voltage resonance testing device
11/13/2013CN103389441A Fault detection and positioning system for power line
11/13/2013CN103389440A Power failure analysis method and system, device and server
11/13/2013CN103389439A CT (computed tomography) polarity detecting instrument
11/13/2013CN103389438A Welding detection system and welding detection method for circuit board with CPU
11/13/2013CN103389437A Device and method for monitoring shielding current of secondary control cable of transformer substation in real time
11/13/2013CN103389436A Switch insulation monitoring method and switch insulation monitoring system for direct-current power supply system
11/13/2013CN103389435A Cable identification device
11/13/2013CN103389434A Method and apparatus to detect leakage current in resistance temperature detector
11/13/2013CN103389433A Arrester detecting device
11/13/2013CN103389432A Test device for charging control process of DC (direct current) battery charger of electric automobile and implementation method of device
11/13/2013CN103389431A Intelligent on-load comprehensive test device for transformer substation
11/13/2013CN103389430A Oil-immersed type transformer fault detection method based on Bayesian discrimination theory
11/13/2013CN103389429A Method for determining electrical structure design of photovoltaic junction boxes
11/13/2013CN103389428A Monitoring structure and monitoring method of micro-electro-mechanical technology
11/13/2013CN103389427A Online detection method and system for GIS (gas insulated switchgear) operational condition
11/13/2013CN103389426A Super-capacitor consistency testing device and testing method
11/13/2013CN103389425A Testing system for shunt characteristics of multi-column arrester
11/13/2013CN103389424A Accelerated aging test device of nonlinear resistor disc and method for testing aging characteristics of nonlinear resistor disc
11/13/2013CN103389423A Power quality analyzer
11/13/2013CN103389422A Method for detecting non-fault phase busbar differential protection maloperation cause during circuit reclosing period
11/13/2013CN103389421A Island detection method and device based on GOOSE communication
11/13/2013CN103389420A Electrostatic discharge test method and test system
11/13/2013CN103389419A Sleep wake-up test device of vehicle-mounted system
11/13/2013CN103389418A Method and device for detecting electromagnetic compatibility
11/13/2013CN103389417A Data monitoring and acquiring device of small photovoltaic power generation system
11/13/2013CN103389415A Detection system and detection method used for detecting resistance of glass heating wire and detecting whether wire breakage exists
11/13/2013CN103389395A Arrestor test rack
11/13/2013CN103389319A Test method for rapidly exposing welding defects of printed circuit board, and test system thereof
11/13/2013CN103389307A Apparatus for backside EMMI failure analysis and failure analysis method thereof
11/13/2013CN103389178A Electric screwdriver torsion and electric leakage testing device
11/13/2013CN102879611B Circuit for detecting breakage or short circuiting of speed sensor circuit
11/13/2013CN102540070B Control and detection circuit for four relays and detection method thereof
11/13/2013CN102520305B Intelligent detection method for open circuit of connection line between charger and battery
11/13/2013CN102520267B Method for testing signal transmission performance of electric conductive slip ring
11/13/2013CN102508170B Method for monitoring capacity of storage battery