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)
12/2013
12/11/2013CN203337759U Online state monitoring system for MOAs (metal oxide arresters) for power transmission line
12/11/2013CN203337758U Multifunctional intelligent micro-grid application platform
12/11/2013CN203337757U Stator detecting machine
12/11/2013CN203337756U Testing device
12/11/2013CN203337755U Quick detection device used for electromagnetic valve
12/11/2013CN203337754U Resonance eliminator detection apparatus
12/11/2013CN203337753U Antistatic product monitoring device and system
12/11/2013CN203337752U Human body integrated tester
12/11/2013CN203337751U Tool for detecting correctness of board
12/11/2013CN203337750U Photovoltaic grid connected inverter test platform device
12/11/2013CN203337749U Testing stand for train electromagnetic range
12/11/2013CN203337748U Household electrical appliance production line and aging detection system
12/11/2013CN203337747U Monitoring device of transformer states
12/11/2013CN203337746U large-scale capacitor aged system for high voltage transmission intelligent electrical network
12/11/2013CN203337745U Falling indicating device
12/11/2013CN203337744U Open type ocean energy conversion test and test system
12/11/2013CN203337741U Intelligent thunder and lightning environment monitoring lightning protection box
12/11/2013CN203337729U Frequency converter efficiency indirect measurement system
12/11/2013CN203337722U Voltage and current collecting device of grid overhead transmission line
12/11/2013CN203337716U Residual current sampling circuit for auto-reclosing moulded case circuit breaker
12/11/2013CN203337699U Impact current generating device
12/11/2013CN203337697U Fault arc generator
12/11/2013CN203337691U Test fixation device for quantum efficiency of organic solar cell
12/11/2013CN203337683U Connection handle of contactor
12/11/2013CN203337546U Non-contact electrical model detection system for silicon chip
12/11/2013CN203337401U Electric control EGR (Exhaust Gas Recirculation) valve performance testbed
12/11/2013CN203337388U Series hybrid assembly test stand
12/11/2013CN203337369U Utensil switch endurance testing device
12/11/2013CN203337187U Wind driven generator test machine case
12/11/2013CN103444028A Tank-type switching device
12/11/2013CN103443641A Alignment system for electronic device testing
12/11/2013CN103443633A Method for manufacturing a contact for testing a semiconductor device
12/11/2013CN103443455A Testing an overspeed protection system of a wind turbine
12/11/2013CN103441712A Fault self-diagnosis method for encoder in servo driving system
12/11/2013CN103441481A Self-adaptive selective leakage protection system and method for mine low-voltage electric network
12/11/2013CN103441480A Novel traveling-wave protection method of wide-area power grid
12/11/2013CN103441478A AVC system bus-bar one-phase grounding sequence switch-out module and using method thereof
12/11/2013CN103441472A Battery protective circuit
12/11/2013CN103441296A Production and test device of solid oxide fuel cell stack
12/11/2013CN103441122A High-voltage TVS diode
12/11/2013CN103441121A High-voltage TVS composite chip diode
12/11/2013CN103440497A GIS insulation defect partial discharge atlas pattern recognition method
12/11/2013CN103440175A Method and device for handling exception of intelligent card
12/11/2013CN103439672A Circuit and method for detecting faults of alarm lamp of motormeter
12/11/2013CN103439671A Test system and method used for inverter power supply capable of parallel operation
12/11/2013CN103439670A Alternating current power supply sensing device
12/11/2013CN103439669A Monocrystalline silicon solar battery reliability screening method
12/11/2013CN103439668A Charge state evaluation method and system of power lithium ion battery
12/11/2013CN103439667A System and method for testing battery based on PXI bus technology
12/11/2013CN103439666A Geometric method for evaluating capacity recession of lithium ion battery
12/11/2013CN103439665A Power battery echelon utilization analysis method
12/11/2013CN103439664A Pure electric vehicle power battery pack capacity calibration method based on current
12/11/2013CN103439663A Storage battery detecting device
12/11/2013CN103439662A Low-cost battery electricity quantity detection circuit
12/11/2013CN103439661A Special device for brushless motor rotor overspeed test
12/11/2013CN103439660A Method for testing rotation of motormeter stepper motor
12/11/2013CN103439659A Auxiliary connecting equipment for testing power generator
12/11/2013CN103439658A Fault diagnosis method and system for converter
12/11/2013CN103439657A AC servo motor drive parameter detection method and application of AC servo motor drive parameter detection method in fault detection
12/11/2013CN103439656A Generator stator winding and electric major loop grounding fault diagnosis method of generator stator winding based on flow direction of failure current
12/11/2013CN103439655A Fault diagnosis method with fault-tolerant control of switch reluctance motor position sensors
12/11/2013CN103439654A High-voltage direct-current on-off state detecting method
12/11/2013CN103439653A High-speed-switch-valve fault-diagnosis method based on drive-end current detection
12/11/2013CN103439652A Breaker post testing device
12/11/2013CN103439651A Pressing plate sensor
12/11/2013CN103439650A Method and device used for state monitoring and fault diagnosis of relay
12/11/2013CN103439649A Monitoring system for having control over connection state of switch of loop
12/11/2013CN103439648A Validation method, validation device and chip
12/11/2013CN103439647A Analog circuit fault diagnosis method for dynamic supply current monitoring
12/11/2013CN103439646A Method for generating testing vectors of artificial circuit
12/11/2013CN103439645A CTIA-type CMOS focal plane reading circuit and testing method
12/11/2013CN103439644A SRAM-based FPGA degeneration testing system
12/11/2013CN103439643A Intelligent test system and test method for improving probe card test abnormality
12/11/2013CN103439642A Online detection circuit for alternating current chopping bridge IGBT
12/11/2013CN103439641A Surface photovoltage method based semiconductor material parameter testing device and testing method
12/11/2013CN103439640A High-potential state detection device of anti-parallel thyristors
12/11/2013CN103439639A XLPE cable insulation aging state assessment method
12/11/2013CN103439638A High-voltage insulation test device of zinc oxide lightning arresters
12/11/2013CN103439637A Device and method for oscillatory wave generation in electrical device partial discharge test
12/11/2013CN103439636A Cable open-circuit point position detecting method
12/11/2013CN103439635A Electric power system wave-recoding file based fault detection method and system
12/11/2013CN103439634A Method for fault line selection by means of transient state polarity characteristics of zero-sequence current at grounding moment
12/11/2013CN103439633A Low-current ground fault line selection device
12/11/2013CN103439632A Line fault analysis method based on network message data between transformer substations
12/11/2013CN103439631A Method and system for detecting corrosion state of grounding grid
12/11/2013CN103439630A Power cable fault point positioning method and system
12/11/2013CN103439629A Power distribution network fault diagnosis system based on data grid
12/11/2013CN103439628A Transient leakage-selection device and transient leakage-selection method for mine power grids
12/11/2013CN103439627A Train power supply leakage current detecting system and method
12/11/2013CN103439626A Leakage-current monitoring system in flashover process of icing insulator
12/11/2013CN103439625A Cable system fault positioning and load monitoring method
12/11/2013CN103439624A Supertension line fault phase selection method based on voltage fault component
12/11/2013CN103439623A Device, system and method for detecting on-off of track signal induction coil
12/11/2013CN103439622A ITO circuit pattern and test method thereof
12/11/2013CN103439621A Counterpoint detection device and method based on shooting and image processing
12/11/2013CN103439620A Automatic detecting device and detecting method for piezoelectric ceramics buzzer electric performance
12/11/2013CN103439619A Explosion-proof electric apparatus performance test board
12/11/2013CN103439618A Low-capacity capacitor tester
12/11/2013CN103439617A Power module parallel testing method for H-bridge circuit
12/11/2013CN103439616A Transformation-loss precision-measurement device