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)
10/2013
10/09/2013CN103346551A Power supply reversal connection alarming type charger
10/09/2013CN103346548A Discharging monitoring and protecting circuit on high-voltage ion purifier
10/09/2013CN103346542A High-voltage direct-current transmission line high-resistance grounding fault identification method based on distributed parameters
10/09/2013CN103346143A Test structure for metal layer electromigration
10/09/2013CN103345870A Transformer intelligent simulation device
10/09/2013CN103345169A Solar array simulator power source framework system
10/09/2013CN103345079A LCD panel and manufacturing method of LCD panel
10/09/2013CN103344924A Wireless transmission device and method of single LED lamp state detection in expressway tunnel
10/09/2013CN103344923A EKF (extended Kalmar filter)-method and NSDP-AR-model-based method for predicting cycling life of fusion-type lithium ion battery
10/09/2013CN103344922A Method for detecting state-of-charge differences of battery cells of hybrid electric vehicle
10/09/2013CN103344921A Lithium-ion power battery health state evaluating system and method
10/09/2013CN103344920A Method and equipment for detecting state of health of battery
10/09/2013CN103344919A Method for calibrating SOC of lithium-ion battery
10/09/2013CN103344918A Mobile terminal cell electric quantity display method and system
10/09/2013CN103344917A Lithium battery cycle life quick testing method
10/09/2013CN103344916A Motor stalling detection method
10/09/2013CN103344915A Synchronous motor temperature rise test system and method
10/09/2013CN103344914A Wind turbine generation unit fault early warning method based on normalization
10/09/2013CN103344913A Electromagnetic relay testing equipment and method
10/09/2013CN103344912A Testing system and testing method for conductivity of novel silica gel keypad
10/09/2013CN103344911A Method for identifying states of overall process of high-voltage direct-current switch disconnection
10/09/2013CN103344910A Gas relay check meter
10/09/2013CN103344909A Method for detecting service life of breaker
10/09/2013CN103344908A Four-state level measuring set
10/09/2013CN103344907A Pseudorandom low-power dissipation test method based on distances between test codes
10/09/2013CN103344906A Board-level testing device of 1553 bus communication controller transceiver chip KGD
10/09/2013CN103344905A Moving needle bed testing machine and testing method
10/09/2013CN103344904A Simulation lithium battery testing method and circuit for checking product charging circuit
10/09/2013CN103344903A High-temporal-spatial-resolution nerve chip measuring device
10/09/2013CN103344902A LED transient thermal resistance measuring system
10/09/2013CN103344901A High pressure thyristor detecting device
10/09/2013CN103344900A Method and device for testing electrical performance of photovoltaic cell panels, and processing, placing and separating data
10/09/2013CN103344899A Method for calibrating photoelectric voltage current characteristic parameters of back-contact solar battery
10/09/2013CN103344898A Factory acceptance test system and method for wafer
10/09/2013CN103344897A Non-destructive power MOS tube single-event burnout effect detecting circuit and non-destructive power MOS tube single-event burnout effect detecting method
10/09/2013CN103344896A Test path selection method and corresponding wafer test method
10/09/2013CN103344895A Automatic verification system of low-voltage current transformer
10/09/2013CN103344894A Signal acquisition system used for extra-high voltage work
10/09/2013CN103344893A Distributed cable partial discharge measuring method based on frequency conversion series resonance high-voltage holding test
10/09/2013CN103344892A Combined voltage testing system for direct currents and impacts of high-attitude area
10/09/2013CN103344891A Method and device for locating partial discharge of high voltage cable
10/09/2013CN103344890A Automatic detecting device for dielectric strength among commutator segments
10/09/2013CN103344889A Method for measuring cable partial discharge by means of capacitor wire jumper
10/09/2013CN103344888A Detecting device
10/09/2013CN103344887A Testing method suitable for GIS equipment partial discharge detection
10/09/2013CN103344886A Sensor for partial discharge detection of XLPE power cable
10/09/2013CN103344885A High-voltage single-core cable protective covering grounding online monitoring device and control method
10/09/2013CN103344884A Electricity overhead line fault two-frequency-signal detecting positioning method and dedicated position indicator thereof
10/09/2013CN103344883A Simulation testing device and method achieving cable fault simulation through wireless network
10/09/2013CN103344882A Distributed power source contained power distribution network fault location method and system
10/09/2013CN103344881A Grid fault diagnosing method based on combined type cross entropy algorithm
10/09/2013CN103344880A Leaky cable/antenna feeder real-time monitoring apparatus and working method thereof
10/09/2013CN103344879A Electrical capacity measuring method for quick power source switching apparatus
10/09/2013CN103344878A Electrical equipment insurance open-circuit indication monitoring device
10/09/2013CN103344877A Potable polarity test rod
10/09/2013CN103344876A Water heater power detector
10/09/2013CN103344875A Classification line selection method for single-phase earth fault of resonance earthing system
10/09/2013CN103344874A Detection circuit of active shielding wiring
10/09/2013CN103344873A Temporary grounding wire assembly-disassembly state signal extracting device
10/09/2013CN103344872A Test method of installation polarity of star sensor
10/09/2013CN103344871A Circuit logic detector
10/09/2013CN103344870A Method and device for detecting short circuit of thyristor of uninterrupted power system
10/09/2013CN103344869A Wire-breakage alarming device and method suitable for 6-35kV power distribution network
10/09/2013CN103344868A Cable automatic tester
10/09/2013CN103344867A 2M wire terminal welding on-line testing device
10/09/2013CN103344866A Open-circuit fault diagnosis method of current transformer of permanent-magnet direct-drive type wind power generation system
10/09/2013CN103344865A Floating body rope wheel wave power generation land simulation test platform
10/09/2013CN103344864A Semi-natural-state conductor icing test platform
10/09/2013CN103344863A Mobile terminal testing method and mobile terminal testing system
10/09/2013CN103344862A Electronic device comprehensive environment accelerated storage testing device
10/09/2013CN103344861A Metallization power capacitor rapid aging testing device
10/09/2013CN103344860A Energy-saving type aging test desk
10/09/2013CN103344859A Alternating current sampling loopback test method
10/09/2013CN103344858A Method and device for testing meter reading port of intelligent electric meter
10/09/2013CN103344857A Solar photovoltaic charging and discharging controller large current detection system
10/09/2013CN103344856A Method and device for testing merging unit
10/09/2013CN103344855A Condition monitoring system of intelligent transformer substation
10/09/2013CN103344854A Automatic test system and method for logical function device
10/09/2013CN103344853A Method for judging faults of parallel capacitors by means of natural vibration frequency
10/09/2013CN103344852A On-line monitoring device of high-voltage parallel capacitor
10/09/2013CN103344851A Pulsed DC testing system and method of GaN HEMT microwave power device
10/09/2013CN103344850A System and method of intelligent substation automatic testing based on test formwork technology
10/09/2013CN103344849A Method for obtaining sensing matrix of random demodulation hardware system
10/09/2013CN103344820A Potential indicator with temperature measuring function
10/09/2013CN103344809A Measuring equipment and measuring method for leakage currents of high-voltage holding test of security equipment
10/09/2013CN103344808A Method for detecting transformer neutral point current direct-current component
10/09/2013CN103344802A Novel electric quantity display circuit
10/09/2013CN103344793A Test-dedicated contact of high-voltage breaker
10/09/2013CN103344421A Construction lifter door lock durability testing device
10/09/2013CN103344412A Led testing device
10/09/2013CN103344368A Squirrel-cage type asynchronous motor energy efficiency online monitoring method based on measurable electrical amount
10/09/2013CN102890226B XLPE (Cross Linked Polyethylene) cable water tree aging state testing system of power system
10/09/2013CN102520288B Primary-rising based current differential protection synchronization performance testing system and testing method
10/09/2013CN102508081B Distribution network fault simulating method and device and distribution network system
10/09/2013CN102445621B Determination method of first point of dotting by utilizing testing pin marks
10/09/2013CN102445616B Interference simulating experimental method for vehicle DC power supply
10/09/2013CN102435893B Oil-immersed transformer fault diagnosis method based on self-adaptive genetic algorithm
10/09/2013CN102435879B Method for detecting line before switch on
10/09/2013CN102385010B Non-magnetic high-temperature test device
10/09/2013CN102360050B Motor brake detection device