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)
05/2013
05/01/2013CN202916387U Wire cable dielectric strength test device
05/01/2013CN202916386U System for carrying out partial discharge test under high-frequency transient pulse square-wave voltage
05/01/2013CN202916385U Intelligent distribution network maintenance hand machine for fault indicator
05/01/2013CN202916384U Improved voltage transformer zero sequence circuit system capable of improving precision of line selection and fault positioning
05/01/2013CN202916383U Device structure assisting in searching single-phase grounding faults
05/01/2013CN202916382U PLC device fuse alarm
05/01/2013CN202916381U Polarity testing device of transformer
05/01/2013CN202916380U Direct-current insulation monitoring module based on 24V power system
05/01/2013CN202916379U Network interface tester
05/01/2013CN202916378U Bus tie switch start and stop detection system of fire-fighting electrical system
05/01/2013CN202916377U Cable alignment device
05/01/2013CN202916376U Low voltage safety warning device capable of performing single-phase grounding alarm
05/01/2013CN202916375U Data collection terminal and station area low-voltage zero line current leakage detection system using the same
05/01/2013CN202916374U Cable test device
05/01/2013CN202916373U Capacitor performance determination instrument with function of rapid detection
05/01/2013CN202916372U Detection apparatus for lead storage battery
05/01/2013CN202916371U Small-stroke leakage test structure
05/01/2013CN202916370U A distant electric leakage feeder switch
05/01/2013CN202916369U Power transmission line composite insulator charged detector
05/01/2013CN202916368U Overhead transmission line insulator detection intelligent robot detection apparatus
05/01/2013CN202916367U Insulator chain intelligent detection robot climbing position detecting mechanism
05/01/2013CN202916366U AC-DC transmission electric locomotive rectification trigger loop test apparatus
05/01/2013CN202916365U Power source filter electrical performance parameter multifunctional testing device
05/01/2013CN202916364U Simulation circuit for resistor impact tolerance test
05/01/2013CN202916363U Photovoltaic conjunction box test equipment matching testboard
05/01/2013CN202916362U Device for testing the shielding effectiveness of small shielding cavity
05/01/2013CN202916361U Small current test caliper device
05/01/2013CN202916360U Switching value tester
05/01/2013CN202916359U Radio frequency leakage test device
05/01/2013CN202916358U Waveguide switch shielding effectiveness test device
05/01/2013CN202916357U Comprehensive test instrument for power transformer winding deformation
05/01/2013CN202916356U Auxiliary testing jig
05/01/2013CN202916355U High-speed electromagnetic valve performance detection system
05/01/2013CN202916354U Device for detecting abnormal wire cable
05/01/2013CN202916353U Backup power auto-switching debugging circuit
05/01/2013CN202916349U Rod-like near-field test probe
05/01/2013CN202916333U Zero sequence voltage detection device for 6-10kV circuit
05/01/2013CN202916322U Electric quantity display circuit of mobile power supply
05/01/2013CN202916306U Broadband current test caliper device
05/01/2013CN202916302U A circuit board detecting and positioning mechanism
05/01/2013CN202916301U On-line power supply test transmission device
05/01/2013CN202916300U Light fixture rotary mechanism for LED street lamp testing device
05/01/2013CN202916083U Device for detecting dynamic performance of ABS pneumatic solenoid valve
05/01/2013CN202909966U Test device for diode consistent machine
05/01/2013CN202909962U High-speed rotary disk type chip separator capable of measuring high and low temperature
05/01/2013CN103081281A 电力管理系统 Power management system
05/01/2013CN103081269A Method for controlling individual photovoltaic modules in a photovoltaic installation, and control device
05/01/2013CN103081214A Battery pack having compact structure
05/01/2013CN103081213A Battery management system, battery management apparatus, method of reusing battery, and information communication terminal apparatus
05/01/2013CN103081212A System and method for determination of deterioration of lithium ion secondary battery
05/01/2013CN103081175A Battery module and battery pack including same
05/01/2013CN103080762A Battery deterioration detection device, battery deterioration detection method, and program therefor
05/01/2013CN103080761A Method and apparatus for virtual in-circuit emulation
05/01/2013CN103080760A Led lighting device and cable connection detection device
05/01/2013CN103080759A Overvoltage detecting device for energy storage module
05/01/2013CN103080758A Ground fault detection circuit for ungrounded power source
05/01/2013CN103080757A Device and method for detecting a ground fault
05/01/2013CN103080697A Apparatus, method, and computer software for detection of topology changes in electrical networks
05/01/2013CN103078154A Fore-lying zero-power consumption control electronic switch and control method for new energy source lithium ion battery pack
05/01/2013CN103078146A Slot-in device and method for automatic short-circuit detection after cast welding of storage battery
05/01/2013CN103077402A Transformer partial-discharging mode recognition method based on singular value decomposition algorithm
05/01/2013CN103076574A Automatic detection circuit and automatic detection device for life of emergency lamp
05/01/2013CN103076573A Power supply capable of automatically monitoring service life and method for monitoring service life of power supply
05/01/2013CN103076572A Method for quickly judging cathode coating process influence on battery cycle performance according to electrochemical impedance spectroscopy (EIS)
05/01/2013CN103076571A Method and system for estimating a capacity of a battery
05/01/2013CN103076570A Automatic testing method and device for variable pitch backup power supply of wind generation set
05/01/2013CN103076569A Wind driven generator test bed on basis of natural wind complex working condition simulator
05/01/2013CN103076568A Fan running operating condition monitoring method based on temperature characteristic
05/01/2013CN103076567A VCM (Voice Coil Motor) motor performance test system and test method
05/01/2013CN103076566A Testing device for twin trawling-loaded low-speed motor
05/01/2013CN103076565A Detecting and evaluating system for overhaul health condition of three-phase asynchronous high-voltage motor
05/01/2013CN103076564A Circuit for detecting default phase failure of brushless direct current motor
05/01/2013CN103076563A Automatic diagnosis method of alternating-current asynchronous motor
05/01/2013CN103076562A Motor temperature rise measurement method and measurement device
05/01/2013CN103076561A On-off detection circuit and detection method thereof, and dual-purpose intelligent lamp comprising on-off detection circuit
05/01/2013CN103076560A Combined device for contactless type measurement through electrical testing equipment and application thereof
05/01/2013CN103076559A Optimizing method for shift power consumption in scanning test
05/01/2013CN103076558A Dynamic clock domain bypass for scan chains
05/01/2013CN103076557A Testing method of single event functional interruption of Spacewire circuit
05/01/2013CN103076556A Method for selecting function-maintenance testing points of avionic assembly
05/01/2013CN103076555A Testing needle frame for chip
05/01/2013CN103076554A Phase-locked loop on-chip jitter measurement circuit
05/01/2013CN103076553A Test device for PCBA (printed circuit board assembly)
05/01/2013CN103076552A Method for inhibiting bias voltage ripples and line output amplifier channel non-uniformity
05/01/2013CN103076551A Thermal resistance composition test device and method for LED (light emitting diode) lamp
05/01/2013CN103076550A Semiconductor diode avalanche capability testing device and method and application thereof
05/01/2013CN103076549A Damp heat test device and method for photovoltaic assembly
05/01/2013CN103076548A Method for predicting flashover voltage by using surface conductivity and leakage current
05/01/2013CN103076547A Method for identifying GIS (Gas Insulated Switchgear) local discharge fault type mode based on support vector machines
05/01/2013CN103076546A Testing device and method for electromagnetic wave propagation characteristics in gas insulated switchgear (GIS)
05/01/2013CN103076545A Electrified length measurement and local discharge detection and positioning simulation system for high voltage cable
05/01/2013CN103076544A Generator-set state-monitoring system
05/01/2013CN103076543A Detection method for rejecting mica paper capacitor degraded product
05/01/2013CN103076542A Partial discharge ultrasonic wave detection device
05/01/2013CN103076541A Fault distance measuring method and fault distance measuring module for intelligent power grid power distribution line
05/01/2013CN103076540A Fault-tolerance correction method for matrix algorithm fault location result of power distribution network
05/01/2013CN103076539A Embedded power failure wave recording analysis device
05/01/2013CN103076538A Power transmission line traveling wave fault location method using atomic decomposition
05/01/2013CN103076537A Method for judging power transmission network transient voltage stability based on area rule
05/01/2013CN103076536A Tool test device