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)
06/2012
06/20/2012CN102508153A Main transformer protection tripping time limit check method
06/20/2012CN102508152A Loop detection system and method for secondary wiring of breaker
06/20/2012CN102508151A Device and method for automatically testing universal input/output parameters of integrated circuit
06/20/2012CN102508150A Self-test work method of contact circuit board test system
06/20/2012CN102508149A Method and device for determining time sequence parameter of device
06/20/2012CN102508148A Power detection device supporting hotplug, current input module and realizing method
06/20/2012CN102508147A Method for measuring related parameters of sensitivity, linearity and dark noise of charge coupled device (CCD) chip
06/20/2012CN102508146A Method for determining testing conditions for hot carrier injection stress
06/20/2012CN102508145A Method for measuring CCD (Charge Coupled Device) chip dark current and double temperature constant
06/20/2012CN102508144A Method for measuring dark signal non-uniformity and photon response non-uniformity of photons of CCD (charge coupled device) chip
06/20/2012CN102508143A Reliability test method for photovoltaic component
06/20/2012CN102508142A Method for measuring quantum efficiency and responsivity parameter of charge coupled device (CCD) chip
06/20/2012CN102508141A Measurement system of performance parameters of charge coupled device (CCD) chip
06/20/2012CN102508140A Method for realizing pulse check through digital circuit
06/20/2012CN102508139A Particle aging detection device of LED (Light Emitting Diode) chip
06/20/2012CN102508138A Simulation device of non-contact spark discharge process
06/20/2012CN102508137A Partial discharge detection pulse current sensor with self correcting function
06/20/2012CN102508136A Insulation monitoring method for IT (Isolation Terre) electric system with neutral conductor
06/20/2012CN102508135A Cable oscillation wave local discharge measuring and positioning system based on cloud computing
06/20/2012CN102508134A Partial discharge on-line monitoring method and system
06/20/2012CN102508133A Method and device for detecting power insulating material under irradiation of X rays
06/20/2012CN102508132A Operation impact test method suitable for dual-core phase-shifting transformer
06/20/2012CN102508131A Multipurpose insulating comprehensive test table
06/20/2012CN102508130A Special voltage withstand testing device for cylindrical capacitors
06/20/2012CN102508129A Insulator discharge detection method and device
06/20/2012CN102508128A Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network
06/20/2012CN102508127A Device and method for monitoring internal discharge of materials for ground simulation satellite
06/20/2012CN102508126A On-orbit monitoring device for static discharge pulse coupling effect
06/20/2012CN102508125A Method for indicating whether deep dielectric discharge of satellite is dangerous or not by utilizing in-orbit data
06/20/2012CN102508124A Detection method of partial discharge of electrical equipment and device thereof
06/20/2012CN102508123A Detection method of abnormal discharge of negative ion generator
06/20/2012CN102508122A Elevation correction method for critical coronal voltage of hardware fittings of high-elevation transmission lines
06/20/2012CN102508121A Direct-current line single-terminal fault location method for multiterminal flexible direct-current transmission system
06/20/2012CN102508120A Method for realizing weak fault diagnosis and location of airplane wire by utilizing local mean decomposition
06/20/2012CN102508119A Method for positioning earth faults of parallel loop of IT (Isolation-Terre) power system
06/20/2012CN102508118A Method for realizing grounding fault line selection of IT (information technology) power system and preparing neutral conductors
06/20/2012CN102508117A Disturbance area negative-sequence current judgment method
06/20/2012CN102508116A Phase selection method of double-circuit transmission lines on the same pole of intelligent substation based on current balance principle
06/20/2012CN102508115A Identification method for faults in and out of area of high voltage direct current (HVDC) transmission line based on multi-fractal spectrum
06/20/2012CN102508114A Fault distance measurement method for super/extra-high voltage power transmission line based on transient state quantity characteristic
06/20/2012CN102508113A Data collection synchronous method of electrical railway distance measurement device
06/20/2012CN102508112A Method for fault location of transmission line
06/20/2012CN102508111A Large disturbance fault positioning visualization system of power system
06/20/2012CN102508110A Texture-based insulator fault diagnostic method
06/20/2012CN102508109A Combined traveling wave fault location method of high-voltage overhead line and cable hybrid line
06/20/2012CN102508108A Method for softly starting traveling wave in low signal to noise ratio
06/20/2012CN102508107A Detection method of zero sequence current mutual inductor of small current system
06/20/2012CN102508106A Intelligent detector of chest protector and working cap of armored vehicle station
06/20/2012CN102508105A Method for detecting capacitive touch screen by using near field
06/20/2012CN102508104A Method for determining corresponding connection relationship between alternating current motor winding and three-phase power source
06/20/2012CN102508103A Distribution network hidden short-circuit fault risk early-warning and positioning method based on distributed intelligent agents
06/20/2012CN102508102A Power cable operation fault monitoring terminal and system for detecting earth fault
06/20/2012CN102508101A Power cable operation fault monitoring terminal and system for detecting short circuit
06/20/2012CN102508100A Method for judging line fault by using node current subjected to time base synchronization
06/20/2012CN102508099A Electric device with conducted wire harness loop
06/20/2012CN102508098A Quick distinguishing method for zero-sequence directional elements of alternating-current and direct-current serial-parallel power grid
06/20/2012CN102508097A Segmented detection device and detection method of line fault
06/20/2012CN102508096A Method for detecting connection state of connecting leads of power battery pack
06/20/2012CN102508095A Transmission line tower grounding network running situation online monitoring device
06/20/2012CN102508094A Leakage current sensor of lightning arrester
06/20/2012CN102508093A Device and method for detecting position of cable intermediate joint
06/20/2012CN102508092A Method for distinguishing fault type and direction of AT (auto-transformer) contact network without depending on GPS (global positioning system) time synchronization
06/20/2012CN102508091A Test device for detecting polarity of battery
06/20/2012CN102508090A On-off automatic detection device for loops of collector ring
06/20/2012CN102508089A Device for testing battery protection board based on peripheral component interconnect (PCI) bus structure
06/20/2012CN102508088A Checking instrument of backup automatic switching device
06/20/2012CN102508087A Integrated test stand for transformers
06/20/2012CN102508086A Parameter estimation method for electric power circuit in T-type connection
06/20/2012CN102508085A Full-automatic SPD (Surge Protective Device) thermal stabilizer based on FPGA (Field Programmable Gate Array) control and a testing method thereof
06/20/2012CN102508084A Power system monitoring method and system thereof
06/20/2012CN102508083A Method for monitoring arrester on line
06/20/2012CN102508082A High-precision multimode low-voltage load power property recording instrument and working method thereof
06/20/2012CN102508081A Distribution network fault simulating method and device and distribution network system
06/20/2012CN102508080A System and method for automatically detecting quality of products on production line based on network analyzer and RFID (Radio Frequency Identification Device)
06/20/2012CN102508079A Hall sample preparation method removing tellurium-cadmium-mercury interface layer
06/20/2012CN102508078A Automatic storage battery charging/discharging collector
06/20/2012CN102508077A Method for measuring no-load loss of zero phase angle of dual-core phase-shifting transformer
06/20/2012CN102508076A Fault diagnosis device and method based on multi-agent system and wavelet analysis
06/20/2012CN102508075A Intelligent detector of power efficiency of electric cooker
06/20/2012CN102508074A Internal overheat fault monitoring method of metal sealed gas-insulated switchgear
06/20/2012CN102508073A Load test device for large-power frequency converter adopting front active end
06/20/2012CN102508072A High-power three-level frequency converter temperature rise and loss testing method employing active front end
06/20/2012CN102508071A Rated capacity test method of active front end voltage-type alternating current-direct current-alternating current frequency converter
06/20/2012CN102508070A Method for ensuring radio inference of transmission line
06/20/2012CN102508069A Automatic test fixture for PCB (Printed Circuit Board) board
06/20/2012CN102508068A Rapid diagnostic method of phased array wave control performance
06/20/2012CN102508067A Performance test device for auxiliary converter of electric locomotive
06/20/2012CN102508066A Electrostatic discharge generator
06/20/2012CN102508065A Method, system and engineering machinery for electrical fault diagnosis
06/20/2012CN102508064A Method, equipment, system and engineering machinery for electrical equipment fault diagnosis
06/20/2012CN102508063A Double-probe resonance waveguide type tester for wave absorbing properties of materials
06/20/2012CN102508062A Charging device of capacitor testing machine
06/20/2012CN102508061A Power shortage estimation method based on wide area phasor measurement system
06/20/2012CN102508060A External pulse interference resistant array calibration pretreatment method
06/20/2012CN102508059A Topology error-preventing checking method based on intelligent identification of state of equipment
06/20/2012CN102508058A Micro-scale holding device for measuring radial conductivity and compressibility of single fiber
06/20/2012CN102508057A Test bed and system for testing charger for rail transit vehicle
06/20/2012CN102508056A Detection device of induction cooker
06/20/2012CN102508055A Device and method for detecting wind power generation grid-connected system
06/20/2012CN102508054A High-voltage test device of grid-free self-coupling locomotive and using method thereof
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