Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › 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
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
11/20/2013CN203299228U Interface board for detecting battery data
11/20/2013CN203298973U Novel laser tester
11/20/2013CN203298854U Electronic scale provided with battery capacity display module
11/20/2013CN1853112B Electronic switching circuit, switching circuit test arrangement and method for determining the operativeness of an electronic switching circuit
11/20/2013CN1786726B System and method of locating ground fault in electrical power distribution system
11/20/2013CN103403565A Method for determining remaining lifetime
11/20/2013CN103403564A Method for adaptation of ground fault detection
11/20/2013CN103403563A Reverse power supply circuit test system and device
11/20/2013CN103403559A Voltage detection apparatus and method of reducing dispersion of dark currents
11/20/2013CN103403539A Device for testing electronic components having at least one embedded layer containing metal, method, and use of an electromagnetic acoustic transducer
11/20/2013CN103402709A Electric tool using secondary cells as power source
11/20/2013CN103401408A Direct current side circuit of IGCT (integrated gate commutated thyristor) converter/test circuit and method for designing parameters of clamp capacitor and clamp resistor of direct current side circuit
11/20/2013CN103401274A Management control system and method of transformer-station valve-regulated lead acid (VRLA) batteries
11/20/2013CN103401240A Method for recovering observability of series compensators
11/20/2013CN103401214A Electric leakage detection protection circuit with timing self-checking function
11/20/2013CN103401032A Storage battery failure monitoring and maintenance method and device
11/20/2013CN103401031A Storage battery failure monitoring and maintenance method and device
11/20/2013CN103400749A Failure analysis method for MIM capacitor
11/20/2013CN103400740A Transmission electron microscope sample rod with testable photoelectric properties and method for building solar battery
11/20/2013CN103399571A Detecting device and method applied to high-voltage circuit of electromobile motor controller
11/20/2013CN103399499A Test control device
11/20/2013CN103399325A Production line automatic detection system of vehicle-mounted navigation product and working method thereof
11/20/2013CN103399283A Method for optimizing data collection by utilizing feedback method
11/20/2013CN103399282A Single battery fault diagnosing method
11/20/2013CN103399281A Lithium ion battery cycle life predicating method based on cycle life degeneration stage parameter ND-AR (neutral density-autoregressive) model and EKF (extended Kalman filter) method
11/20/2013CN103399280A Method for predicting cycle life of lithium ion battery based on NSDP-AR (AutoRegressive) model
11/20/2013CN103399279A Method for predicting cycle life of fused lithium ion battery based on EKF (Extended Kalman Filter) method and AR (AutoRegressive) model
11/20/2013CN103399278A Single battery capacity and charge state estimating method
11/20/2013CN103399277A Power battery actual capacity estimation method
11/20/2013CN103399276A Lithium-ion battery capacity estimation and residual cycling life prediction method
11/20/2013CN103399275A Device and method for testing utilization rate of active matter of single pole plates of storage battery
11/20/2013CN103399274A Method for testing capacities of single-sheet polar plates of storage battery
11/20/2013CN103399273A Real sea state testing method for wave energy device
11/20/2013CN103399272A Test tool of generator
11/20/2013CN103399271A Improved testing method for evaluating delivery performance of motor
11/20/2013CN103399270A Device and method for double-pulse test of IGBT (insulated polar bipolar transistor) driving module
11/20/2013CN103399269A Low-power motor test jig
11/20/2013CN103399268A Ejector pin type integrated circuit testing fixture
11/20/2013CN103399267A Three-phase power distribution induction voltage withstanding tester
11/20/2013CN103399266A Insulation performance testing equipment
11/20/2013CN103399265A High voltage cable terminal partial discharge ultrasonic monitor
11/20/2013CN103399264A Online monitoring and positioning system for local discharge of high-voltage cable
11/20/2013CN103399263A System and method for comprehensively measuring direct current (DC) parameters of surge protection module
11/20/2013CN103399262A Fiber mach-zehnder interferometer-based power transformer partial discharge detection system and detection method
11/20/2013CN103399261A Cable breakage fault finder
11/20/2013CN103399260A Fault phase selection method for large-scale wind power plant
11/20/2013CN103399259A Input signal identification method based on single-end suspension simulation model
11/20/2013CN103399258A Traveling wave fault location front-end analog acquisition board based on high-precision Hall effect
11/20/2013CN103399257A Ferromagnetic resonance failure detection method of neutral point ungrounded system
11/20/2013CN103399256A Method for positioning failure of wire
11/20/2013CN103399255A Method for identifying state of power transformer winding by using pseudorandom sequence
11/20/2013CN103399254A Board in-situ detection method and device
11/20/2013CN103399253A Device for detecting circuit opening of secondary circuit of current transformer
11/20/2013CN103399252A Detection device and detection method for port plug-in connection
11/20/2013CN103399251A USB (Universal Serial Bus) communication line detection device
11/20/2013CN103399250A Method and system for diagnosing open-circuit fault of digital circuit
11/20/2013CN103399249A Cable water accumulation part electric leakage prompting method
11/20/2013CN103399248A PCB (printed circuit board) defect mass detection system and method
11/20/2013CN103399247A Alignment device special for electrical energy metering
11/20/2013CN103399246A Automatic detection and classification control system for electric properties of battery piece
11/20/2013CN103399245A Testing method of intelligent transformer station network digitization equipment
11/20/2013CN103399244A On-site test and intelligent data analysis method for transformer substation
11/20/2013CN103399243A Cable defect simulation model
11/20/2013CN103399242A Photoelectric coupler detector
11/20/2013CN103399241A Distribution transformer fault diagnosis system and method based on relation between temperature rise and load
11/20/2013CN103399240A Sorting device and method for uninterruptible power cable
11/20/2013CN103399239A Voltage sag immunity detection method for industrial equipment
11/20/2013CN103399238A Method of counting self-healing of energizing process of electrolytic capacitor
11/20/2013CN103399237A Method for detecting failure of oil-immersed transformer
11/20/2013CN103399236A Residual current protection testing circuit
11/20/2013CN103399235A Detection and elimination method for electronic noise and electromagnetic interference
11/20/2013CN103399234A On-line forecasting method for transient state stability of power angle of power grid
11/20/2013CN103399233A Lightning trip-out risk prediction method for power transmission line
11/20/2013CN103399232A Dynamic capacity increasing operation data acquisition and processing method for power transmission line
11/20/2013CN103399231A System for indicating and alarming line fault
11/20/2013CN103399230A Power transformer winding online monitoring system
11/20/2013CN103399229A Testing device for protection outlet of relay protection device
11/20/2013CN103399228A Total power aging test circuit for current transformer or frequency transformer
11/20/2013CN103399227A Remote balance test method for walking beam type pumping unit
11/20/2013CN103399226A Monitoring device and monitoring method for current capacity of maritime platform cable
11/20/2013CN103399225A Test structure containing transferring plate
11/20/2013CN103399224A Novel ABS (antilock brake system) electromagnetic valve response time detection device
11/20/2013CN103399223A New energy power generation system grid-connection intelligent detection and warning system and new energy power generation system grid-connection intelligent detection and warning method
11/20/2013CN103399222A Line loss reduction method for unreasonable-line-loss distribution room
11/20/2013CN103399221A Scintillation crystal fluorescent simulator and testing system thereof
11/20/2013CN103399220A Method for testing equi-voltage curve of plate grid of storage battery
11/20/2013CN103399219A Method for monitoring performance of photovoltaic power station in real time
11/20/2013CN103399218A Device and method for predicting load index of switch cabinet
11/20/2013CN103399217A Method seeking reason for mis-trip of secondary switch of B-phase grounded TV due to operation interference
11/20/2013CN103399198A Current sensor auxiliary device having SOC (system on chip) computing function
11/20/2013CN103399197A Multifunctional test pencil
11/20/2013CN103399178A High temperature testing fixture of chip capacitor
11/20/2013CN103398851A Power equipment test device and system and returned energy adjustment method
11/20/2013CN103398745A Failure diagnosis system for frequency converter of coal winning machine
11/20/2013CN103398738A System and method of real-time monitoring of accelerated aging of electric light source
11/20/2013CN103398683A Detection device for underground coal mine drill rod length and fault and using method thereof
11/20/2013CN103393404A Multi-wavelength infrared polarized light real-time image guide system
11/20/2013CN102622615B Knife switch state closing reliability judging method based on distance between knife switch arm feature points
11/20/2013CN102621423B Shortwave composite field test method in multi-scattering-body environment
11/20/2013CN102590743B Dynamic analog simulation system of direct-current power supply
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