| 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) |
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| 07/11/2012 | CN102565674A Automatic double-channel test circuit for radio frequency power amplifiers based on peripheral component interconnect extension for instrumentation (PXI) test equipment |
| 07/11/2012 | CN102565673A Highly-reliable pulse counting test system based on FPGA (Field Programmable Gate Array) |
| 07/11/2012 | CN102565672A Radio-frequency power amplifier harmonic wave testing circuit based on PXI (PCI (Peripheral Component Interconnect) Extension For Instrumentation) testing device |
| 07/11/2012 | CN102565671A Dynamic allocation method for on-line programming of integrated circuit tester |
| 07/11/2012 | CN102565670A On-line diagnosis device of relay protection device |
| 07/11/2012 | CN102565669A Structure analyzing method for digital signal processing device |
| 07/11/2012 | CN102565668A Inspection device and inspection method |
| 07/11/2012 | CN102565667A Test device |
| 07/11/2012 | CN102565666A Computer main board testing device |
| 07/11/2012 | CN102565665A Circuit detection device and circuit detection method |
| 07/11/2012 | CN102565664A Evaluation method for testing coverage rate |
| 07/11/2012 | CN102565663A Method for diagnosing failure of photovoltaic array |
| 07/11/2012 | CN102565662A State detection device for high-potential thyristor |
| 07/11/2012 | CN102565661A All-purpose detector for performance of light-emitting diode (LED) |
| 07/11/2012 | CN102565660A Superspeed drain current gate voltage (Id-Vg) test method applied to metal oxide semiconductor field effect transistors (MOSFETs) elements |
| 07/11/2012 | CN102565659A Solar grade ingoting polycrystalline silicon chip characterization method |
| 07/11/2012 | CN102565658A Test method of PID (Potential-Induced Degradation) of solar cell module |
| 07/11/2012 | CN102565657A Test apparatus |
| 07/11/2012 | CN102565656A Testing handler |
| 07/11/2012 | CN102565655A Detection equipment of film solar cell and method thereof |
| 07/11/2012 | CN102565654A Measurement system and measuring method for derating curve of LED (light-emitting diode) |
| 07/11/2012 | CN102565653A Wafer testing method |
| 07/11/2012 | CN102565652A Detection device and detection method of encapsulation structure of light-emitting diode |
| 07/11/2012 | CN102565651A Method and system for testing performance of heterojunction bipolar transistor |
| 07/11/2012 | CN102565650A Measuring system of GaN HEMT device transconductance frequency scattering characteristic and method thereof |
| 07/11/2012 | CN102565649A Test apparatus |
| 07/11/2012 | CN102565648A DC600V main line on-line insulation monitoring device |
| 07/11/2012 | CN102565647A GIS (Global Information System) withstand voltage testing system |
| 07/11/2012 | CN102565646A Lightning-wave surge-voltage type test device for dry sleeve and frequency band analysis method thereof |
| 07/11/2012 | CN102565645A Anti-interference on-line monitoring method for partial discharging of generator |
| 07/11/2012 | CN102565644A High voltage ceramic capacitance couple sensor with low partial discharge magnitude |
| 07/11/2012 | CN102565643A On-site detecting method and device for interlayer defect of insulating tool |
| 07/11/2012 | CN102565642A Ultrahigh frequency sensor for on-line monitoring of local discharging in GIS (Global Information System) |
| 07/11/2012 | CN102565641A Optical fiber detection system for diagnosing parameter of multi-gap gas switch |
| 07/11/2012 | CN102565640A Partial discharge on-line monitoring device for power electronic valve body |
| 07/11/2012 | CN102565639A Component With Excess Voltage Protection And Method For Testing Same |
| 07/11/2012 | CN102565638A Voltage-withstanding test assisting mechanism and test method |
| 07/11/2012 | CN102565637A Oscillation wave partial discharge detection system for cable based on asynchronous double-end measurement |
| 07/11/2012 | CN102565636A Ultrahigh-voltage oil-SF6 sleeve test device |
| 07/11/2012 | CN102565635A Arc detection and prevention in power generation system |
| 07/11/2012 | CN102565634A Power cable fault location method based on transfer function method |
| 07/11/2012 | CN102565633A Device and method for positioning laying direction of direct-buried low-voltage cable and detecting fault point |
| 07/11/2012 | CN102565632A Automatically-connected remote control grounded line disconnection and selection working method for low-current system |
| 07/11/2012 | CN102565631A Method for positioning fault region of inter-regional transmission line based on distribution type monitoring |
| 07/11/2012 | CN102565630A State labeling method for estimating reliability of distribution network |
| 07/11/2012 | CN102565629A Method for imitating fault phase selection of alternating current transmission line after measurement based on concentration parameter pi model |
| 07/11/2012 | CN102565628A Method for identifying properties of lightning faults of overhead line on basis of amplitude interval distribution of lightning current |
| 07/11/2012 | CN102565627A Double-end distance measurement method for improving wavelet transform based on windowing |
| 07/11/2012 | CN102565626A On-line positioning method and system of section with low-current ground faults |
| 07/11/2012 | CN102565625A Method for intelligently diagnosing thermal defects of high-voltage transmission line based on infrared image |
| 07/11/2012 | CN102565624A Fault-tolerant fault positioning method for distribution network |
| 07/11/2012 | CN102565623A Method and device for online fault search positioning of multi-branch complex distribution network |
| 07/11/2012 | CN102565622A Electric device and method to detect arc fault in the same |
| 07/11/2012 | CN102565621A Detection device and detection method for cable status of transponder |
| 07/11/2012 | CN102565620A Low-voltage test circuit and method for initiating explosive device |
| 07/11/2012 | CN102565619A State diagnosis method for small-current ground fault line selection device |
| 07/11/2012 | CN102565618A Method for detecting zero-sequence voltage circuit of transformer substation |
| 07/11/2012 | CN102565617A Method for inspecting current loop of main transformer sleeve by using zero lifting flow |
| 07/11/2012 | CN102565616A Circuit on-off rapid testing method on basis of bisection method |
| 07/11/2012 | CN102565615A Machine and method for detecting valve body of automobile automatic speed changer |
| 07/11/2012 | CN102565614A Alternating voltage loop test method |
| 07/11/2012 | CN102565613A Detecting device and detecting method for edge wet leakage property and long-term reliability of photovoltaic component |
| 07/11/2012 | CN102565612A Substation bus fault and insulation automatic detecting device |
| 07/11/2012 | CN102565611A Internal short-circuit detection method of power battery |
| 07/11/2012 | CN102565610A Short circuit detector based on electromagnetic induction principle and detection method of short circuit detector |
| 07/11/2012 | CN102565609A Systems, methods, and apparatus for leakage current masking and ground fault detection |
| 07/11/2012 | CN102565608A Multipoint grounding seeking instrument of voltage transformer |
| 07/11/2012 | CN102565607A System and method for performing a disconnection test on a lightning conduction system of a wind turbine |
| 07/11/2012 | CN102565606A Method for detecting a bridge connecting failure |
| 07/11/2012 | CN102565605A Acoustic sensor system for detecting electrical conductivity faults in an electrical distribution system |
| 07/11/2012 | CN102565604A Device and method for automatic alarming of power supply arrestor |
| 07/11/2012 | CN102565603A Simulation test method for defects in electrical connection and system thereof |
| 07/11/2012 | CN102565602A Solar battery polarity reverse detection circuit |
| 07/11/2012 | CN102565601A High-voltage charged display device |
| 07/11/2012 | CN102565600A Method for determining and testing ohmic contact between black silicon material and metal electrode |
| 07/11/2012 | CN102565599A Method for judging internal and external faults of alternating current transmission line based on fractal dimension |
| 07/11/2012 | CN102565598A Island detection method based on negative sequence voltage divider |
| 07/11/2012 | CN102565597A Dynamic power transmission line capacity estimation method applying synchronized phasor technology |
| 07/11/2012 | CN102565596A Method for temperature stress limit evaluation of electronic component |
| 07/11/2012 | CN102565595A Method for judging aging degree of umbrella skirt of composite insulator |
| 07/11/2012 | CN102565594A Method and device for testing Busbar loss of integrated cabinet |
| 07/11/2012 | CN102565593A Experimental device for simulating offline of pantograph and control device applied to experimental device |
| 07/11/2012 | CN102565592A Technology-systematization verification short-circuit test method for intelligent substation |
| 07/11/2012 | CN102565591A Automatic testing device for frequency converter power board |
| 07/11/2012 | CN102565590A On-line monitoring method and system of insulating liquid of power equipment |
| 07/11/2012 | CN102565589A Straight-line middle detection machine and detection method |
| 07/11/2012 | CN102565588A On-line monitoring method used for high-voltage XLPE (Cross Linked Polyethylene) cable |
| 07/11/2012 | CN102565587A Test method of electromagnetic compatibility of electronic instrument transformer |
| 07/11/2012 | CN102565586A Automatic identification method of number of photovoltaic modules |
| 07/11/2012 | CN102565585A Method for building intelligent substation relay protection cooperation simulation testing system |
| 07/11/2012 | CN102565584A Power quality multi-index data processing module based on FPGA (Field Programmable Gate Array) |
| 07/11/2012 | CN102565583A Power quality monitoring terminal for switch-in electronic mutual inductor |
| 07/11/2012 | CN102565582A Test device of radio frequency identification equipment |
| 07/11/2012 | CN102565581A Tracing signal parameter estimation method and device for detecting transient characteristics of mutual inductor |
| 07/11/2012 | CN102565580A Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns |
| 07/11/2012 | CN102565579A Testing device for operation of current changing chain and control method |
| 07/11/2012 | CN102565578A Method and device for detecting arc faults using fault counter |
| 07/11/2012 | CN102565577A Method for detecting high optical spectrum of composite insulator |
| 07/11/2012 | CN102565576A Method of testing an object and apparatus for performing the same |
| 07/11/2012 | CN102565575A Testing apparatus |