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)
10/2012
10/03/2012CN102710077A Orthogonal excitation synchronous motor and method for establishing gearbox and traditional synchronous motor test system by using same
10/03/2012CN102709960A Power supply device, power supply managing device, method for detecting connection position of power supply device, and power supply system
10/03/2012CN102709757A Timing power failure alarm socket
10/03/2012CN102709609A Monitoring method and system for lithium battery pack
10/03/2012CN102709170A Method for processing surface of silicon wafer for measuring minority carrier lifetime
10/03/2012CN102709037A Transformer with built-in transducer
10/03/2012CN102708814A Alternating-current test method and system for relation curve of voltage and transmittance of liquid crystal display (LCD) module
10/03/2012CN102708770A System and method for detecting defect of flat panel display
10/03/2012CN102707706A Electromagnetic immunity performance testing system of vehicle body controller and testing method of system
10/03/2012CN102707244A Performance test system for miniature switching power supply
10/03/2012CN102707243A Detection method for dry load performance of polar plates
10/03/2012CN102707242A High power condenser photovoltaic cell test device for enhanced portable light source power meter
10/03/2012CN102707241A Portable light source power meter test device with radiator photoelectric conversion receiver module
10/03/2012CN102707240A Enhanced portable high-power photovoltaic conversion receiver device for LED (Light Emitting Diode) test of light source
10/03/2012CN102707239A Receiver module equipment having radiator for reinforced portable light source power meter test
10/03/2012CN102707238A Storage battery performance on-line monitoring system and monitoring method
10/03/2012CN102707237A Display device for electric quantity of intelligent sweeping machine
10/03/2012CN102707236A Power battery SOC (State of Charge) estimation method for charging station monitoring system
10/03/2012CN102707235A Method for fast determining battery parameters
10/03/2012CN102707234A Estimation method for residual charging time of battery
10/03/2012CN102707233A Method for determining rated power of three-phase asynchronous motor
10/03/2012CN102707232A Online monitoring device of state of motor device and monitoring method thereof
10/03/2012CN102707231A Generator set primary frequency regulation analysis system based on matlab/simulink
10/03/2012CN102707230A Method for testing response characteristic of 690V wind turbine generator to transient change of power grid
10/03/2012CN102707229A Function test equipment for dimming motor
10/03/2012CN102707228A Neural network expert system-based electric machine fault intelligent diagnosis system
10/03/2012CN102707227A Threshold voltage extracting method of FET
10/03/2012CN102707226A Detection circuit of line control circuit of infrared focal plane readout circuit
10/03/2012CN102707225A Integrated circuit testing optimizing method and testing device thereof
10/03/2012CN102707224A Method for simplifying test vectors for switching delay of integrated circuit
10/03/2012CN102707223A Over-temperature test protection circuit for quickly testing integrated circuit at normal temperature
10/03/2012CN102707222A Abnormal frequency point identification method based on character string comparison
10/03/2012CN102707221A PCB (Printed Circuit Board) test fixture for fully utilizing service life of probe at one time
10/03/2012CN102707220A Selecting device for TDI (Time Delay and Integration)-CCD (Charge Coupled Device) component and use method thereof
10/03/2012CN102707219A Testing device for semiconductor device test
10/03/2012CN102707218A Device for testing condensing photovoltaic module by using enhanced portable light source LED (Light Emitting Diode)
10/03/2012CN102707217A High power photoelectric conversion receiving equipment for reinforced portable light source power meter test
10/03/2012CN102707216A Detecting method for schottky semiconductor element
10/03/2012CN102707215A Testing method of wafer
10/03/2012CN102707214A Method for detecting positive and saturation voltage drop of transistor chip of discrete device
10/03/2012CN102707213A Detection method for failure of encapsulated cells
10/03/2012CN102707212A Device for detecting service life of light emitting diode (LED) in real time
10/03/2012CN102707211A Method and system for simulating ultrahigh-frequency radiation characteristic of cable straight joint
10/03/2012CN102707210A Anti-lightning evaluation method and device of high-voltage overhead power transmission line
10/03/2012CN102707209A Method for researching pollution flashover characters of natural pollutant retention insulator by considering pollution conversion coefficient
10/03/2012CN102707208A Positioning system and method of local discharge of transformer
10/03/2012CN102707207A Simulating device for various discharges inside GIS (Gas Insulated Switchgear)
10/03/2012CN102707206A Reclosure device for insulation detection
10/03/2012CN102707205A Safety alarm equipment of high voltage switch cabinet
10/03/2012CN102707204A Testing experimental platform for performing disruptive discharge on insulation sample under low-temperature vacuum environment
10/03/2012CN102707203A Discriminating and measuring method for partial discharge modes of transformer
10/03/2012CN102707202A Travelling wave fault distance detection method without determining wave speed for power supply circuit
10/03/2012CN102707201A Method for identifying fault property type of high-speed railway traction network
10/03/2012CN102707200A Testing and monitoring an electrical system
10/03/2012CN102707199A Intelligent diagnosis method and system of dispatching warning message of power grid
10/03/2012CN102707198A Feeder automation failure positioning method based on failure backcasting
10/03/2012CN102707197A Distance measuring method and type diagnostic method of single-phase grounding fault of electric transmission line
10/03/2012CN102707196A Novel single-ended travelling wave distance measuring system of fault of high-speed railway traction network
10/03/2012CN102707195A Oscilloscope fault analysis platform and establishment method thereof
10/03/2012CN102707194A Power distribution network broken line fault location method
10/03/2012CN102707193A Ultra-low-power implementing method for fault indicator
10/03/2012CN102707192A Sensing system and method for manufacturing the same
10/03/2012CN102707191A Diagnosis device and diagnosis method for corrosion of earth screen of large-size transformer substation
10/03/2012CN102707190A Direct-current-side short-circuit fault distance measuring device and method of metro tractive power supply system
10/03/2012CN102707189A Method for determining short-circuit position of parallel-wound wires of transformer coil
10/03/2012CN102707188A Audio connector testing device
10/03/2012CN102707187A Short circuit caution device of solar panel
10/03/2012CN102707186A Method for detecting single phase-to-earth faults
10/03/2012CN102707185A 2M cable tester
10/03/2012CN102707184A Portable coaxial cable tester
10/03/2012CN102707183A Portable wire detector
10/03/2012CN102707182A Printed circuit board (PCB) test jig
10/03/2012CN102707181A Multi-parameter electrical test control device of power transformer
10/03/2012CN102707180A Ground testing device for electrical element of rail vehicle and testing method of electric element
10/03/2012CN102707179A Fault detection device for inverter
10/03/2012CN102707178A Method for prewarning and monitoring failures of secondary equipment of power system
10/03/2012CN102707177A Transformer with common fault simulating function
10/03/2012CN102707176A Failure predication method for static security analysis of three-winding transformer
10/03/2012CN102707175A Dynamic testing method and device for poor shunting of track circuit
10/03/2012CN102707174A Detection system and method of operation state of resistor type superconductive current limiter
10/03/2012CN102707173A Tester
10/03/2012CN102707172A Test device for simulating icing of power transmission line
10/03/2012CN102707171A System for testing service life of electromagnetic relay coil and service life evaluation method
10/03/2012CN102707170A Method for testing electro-magnetic compatibility of automotive CAN (controller area network) buses based on semi-physical simulation
10/03/2012CN102707169A Relay protection accident image detecting system and relay protection accident image detecting method
10/03/2012CN102707168A Defect monitoring method based on equipment maintenance risk control
10/03/2012CN102707167A State monitoring system for grounding grid based on industrial personal computer
10/03/2012CN102707166A Arrester protecting effect analyzing method taking residual voltage and nonlinear resistance into account
10/03/2012CN102707165A System and method for generating an energy usage profile for an electrical device
10/03/2012CN102707164A Field experimental method for simulating isolated network
10/03/2012CN102707163A Experimental station for testing thyristor valves
10/03/2012CN102707162A Strain acquisition circuit system and strain acquisition method
10/03/2012CN102707161A Method and device for monitoring short-circuit capacity on line based on dynamic transfer impedance
10/03/2012CN102707144A Bus insulating resistance measuring device and method of power battery pack
10/03/2012CN102707104A Time mark standard power source
10/03/2012CN102707103A Deformation test lead wire of anti-interference type transformer winding and testing device formed by same
10/03/2012CN102707100A Bare chip test device for reversing electrical interconnection substrate
10/03/2012CN102706727A Simulated test device for construction elevator cable
10/03/2012CN102706564A Motor test system and control method for electric vehicle
10/03/2012CN102253348B Abnormality determination device of power supply and abnormality determination method thereof