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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11/27/2013 | CN203310518U Device for detecting hot spots caused by partial occlusion of solar assembly by using thermal imagery |
11/27/2013 | CN203310433U High-voltage assembly system having function of testing faults of high-voltage assembly |
11/27/2013 | CN203310362U Vacuum circuit breaker contactor opening and closing position detection device |
11/27/2013 | CN203310338U Opening-range and overtravel test mechanism of molded case circuit breaker |
11/27/2013 | CN103415956A Battery pack provided with stable measurement means |
11/27/2013 | CN103415778A SOC correcting system having multiple packs in parallel |
11/27/2013 | CN103415777A A functional fabric-based test controller for functional and structural test and debug |
11/27/2013 | CN103415165A Method for testing quality of blind hole of HDI circuit board |
11/27/2013 | CN103414203A Photovoltaic power generation islanding detection method and device based on Lyapunov index changes |
11/27/2013 | CN103414200A Method for monitoring and controlling automatic reactive power compensation system of high-low voltage power distribution network |
11/27/2013 | CN103414119A Ground wire mistaken installation preventing device of transformer substation |
11/27/2013 | CN103412558A Automatic testing system and method for relay protection measuring and controlling device |
11/27/2013 | CN103412505A Circuit for controlling and monitoring remote switches |
11/27/2013 | CN103412420A Display, test system and test method of test system |
11/27/2013 | CN103412266A Device for testing performance of automotive power supply |
11/27/2013 | CN103412265A ESR and C monitoring device and method for CCM buck converter output capacitor |
11/27/2013 | CN103412264A Method for evaluating consistency of single cells in storage battery pack |
11/27/2013 | CN103412263A Cell testing device |
11/27/2013 | CN103412262A Battery charging and discharging testing equipment and method |
11/27/2013 | CN103412261A Method for indicating various operation states of generator set |
11/27/2013 | CN103412260A Voltage sag generator |
11/27/2013 | CN103412259A Device for testing on-off performance of direct current breaker |
11/27/2013 | CN103412258A Breaker switch-on-off gate spring ultrasound monitoring device and method |
11/27/2013 | CN103412257A Portable relay calibration table |
11/27/2013 | CN103412256A Membrane switch AOI detector and membrane switch AOI detection method |
11/27/2013 | CN103412255A Space-borne multichannel microwave switch testing device |
11/27/2013 | CN103412254A Method for acquiring DC contactor equivalent service life of electric vehicle and device thereof |
11/27/2013 | CN103412253A Interconnection structure modeling method and interconnection resource allocation vector automatic generation method |
11/27/2013 | CN103412252A PCB performance detection jig with positioning and stroke-limiting functions |
11/27/2013 | CN103412251A PCB performance detection jig with stroke-limiting mechanism |
11/27/2013 | CN103412250A PCB limiting and testing fixture |
11/27/2013 | CN103412249A Method for testing frequency characteristic of front plate of fiber-optic gyroscope |
11/27/2013 | CN103412248A High-inverse-voltage silicon transistor reverse breakdown voltage tester |
11/27/2013 | CN103412247A Ring main unit partial discharge monitoring system |
11/27/2013 | CN103412246A Automatic detection method of abnormal discharge of power equipment based on ultraviolet video |
11/27/2013 | CN103412245A Sulfur hexafluoride electrical equipment hydrogen detector, and application method thereof |
11/27/2013 | CN103412244A Method for measuring space charge characteristics of HVDC XLPE cable under thermal-cold cycling |
11/27/2013 | CN103412243A 10kV distribution line fault warning method and device |
11/27/2013 | CN103412242A Method for locating harmonic source based on independent rapid component analysis and mutual information |
11/27/2013 | CN103412241A Cable fault positioning system based on single-chip microcomputer technology |
11/27/2013 | CN103412240A Same-tower double-power transmission circuit single-end traveling wave fault location method |
11/27/2013 | CN103412239A Detecting and positioning method of bus coupler flashover fault in subway alternating current power system |
11/27/2013 | CN103412238A Self-adaptive small current grounding line selection method |
11/27/2013 | CN103412237A Intelligent tester for transformer coil turn-to-turn short circuit |
11/27/2013 | CN103412236A High-speed electrified rail traction line protective belt load test method |
11/27/2013 | CN103412235A Automobile rectifier pressurization test tool structure |
11/27/2013 | CN103412234A Leakage current testing system based on TMS320F2812 |
11/27/2013 | CN103412233A Flexible printed circuit board home button conduction tester |
11/27/2013 | CN103412232A Power system high voltage transmission wire breaking and fracture detection device and method thereof |
11/27/2013 | CN103412231A Distribution short circuit self checking device and method thereof |
11/27/2013 | CN103412230A High-voltage capacitive apparatus insulation fault detection method |
11/27/2013 | CN103412229A Fault locating method of parallel compensation capacitor bank |
11/27/2013 | CN103412228A Method for measuring frequency response of distributed transformer |
11/27/2013 | CN103412227A Frequency selection radar antenna housing transmission performance testing system and method based on diffraction suppression |
11/27/2013 | CN103412226A State monitoring system of ring main unit |
11/27/2013 | CN103412225A Revolving speed correcting amplifier test equipment |
11/27/2013 | CN103412224A Electrical system modeling method and fault diagnosis system based on qualitative model |
11/27/2013 | CN103412223A Electrical system fault diagnosis method based on qualitative model |
11/27/2013 | CN103412222A Electric-toy electrical property testing device |
11/27/2013 | CN103412221A Transformer excitation surge current identification method based on time-frequency characteristic quantities |
11/27/2013 | CN103412220A Ship power station fault diagnosis method based on data fusion |
11/27/2013 | CN103412219A Multi-station testing equipment and interface device used for same |
11/27/2013 | CN103412218A Detection circuit for working condition of ceramic heater strip and corresponding method |
11/27/2013 | CN103412217A Box-type substation intelligent online failure diagnosis system |
11/27/2013 | CN103412216A 静电放电检测电路及处理系统 Electrostatic discharge detection circuit and processing system |
11/27/2013 | CN103412215A Comprehensive measurement instrument for frequency changer |
11/27/2013 | CN103412214A Testing device of half-wave short-time withstand current |
11/27/2013 | CN103412213A Crosslinked polyethylene high-voltage cable on-line monitoring and early warning system |
11/27/2013 | CN103412212A PCB performance detection jig with positioning function |
11/27/2013 | CN103412211A Rapid test device of small electrical equipment |
11/27/2013 | CN103412210A Method for measuring nucleation reversible electric domain polarization intensity of ferroelectric film |
11/27/2013 | CN103412209A Method for detecting mistuning degree of tuned filter |
11/27/2013 | CN103412208A Intelligent substation electric telecontrol device closed loop test method |
11/27/2013 | CN103412207A Photovoltaic grid connected inverter island detection method based on negative sequence current injection |
11/27/2013 | CN103412206A Multiple-working-condition automatic testing experiment system of electric vehicle charging equipment |
11/27/2013 | CN103412205A Testing method of electric vehicle charging equipment |
11/27/2013 | CN103412204A Auxiliary device for electrical product plug discharge test |
11/27/2013 | CN103412203A Motor variable-frequency driver aging test device and test method thereof |
11/27/2013 | CN103412202A Method for current partitioned calibration |
11/27/2013 | CN103412190A Switch-class device state evaluation method based on parameter on-line identification |
11/27/2013 | CN103412165A Testing jig for testing mobile phone PCB pin point conduction |
11/27/2013 | CN103412153A Rotating mechanism of flexible printed circuit board home button conduction tester |
11/27/2013 | CN103412032A Detection method for falling-off of in-grid lead wires of enhanced type power MOS (Metal Oxide Semiconductor) devices |
11/27/2013 | CN102565624B Fault-tolerant fault positioning method for distribution network |
11/27/2013 | CN102519490B Ontrack detection method of working condition of focusing system of astronautic camera |
11/27/2013 | CN102497575B Multi-piece area array CCD (Charge Coupled Device) screening test system |
11/27/2013 | CN102419410B Voltage/current double-applying testing device for electric device |
11/27/2013 | CN102360060B Intelligentized current detection system of fluorescent tube type emergency lamp |
11/27/2013 | CN102323531B Method for automatically testing parameters of millimeter wave power amplifier and system |
11/27/2013 | CN102288917B Storage battery detector and vehicle-mounted network system for intelligent automobile |
11/27/2013 | CN102288856B Photovoltaic polar plate fault damage detection device based on wireless communication and method of same |
11/27/2013 | CN102279358B MCSKPCA based neural network fault diagnosis method for analog circuits |
11/27/2013 | CN102226832B Multifunctional probe bench test system used for radiation experiment of X-ray and gamma-ray |
11/27/2013 | CN102171879B Fuel cell system and fuel cell state detection method |
11/27/2013 | CN102129926B Automatic assembly and detection method for light touch switch and assembly and detection machine |
11/27/2013 | CN102129013B Distribution network fault location method utilizing natural frequency and artificial neural network |
11/27/2013 | CN102129001B Digital relay protection device testing system and method |
11/27/2013 | CN101995524B Detecting device and detecting method for electrical interface |
11/27/2013 | CN101986166B Test vehicle for partial discharge of power equipment on site |
11/27/2013 | CN101911285B Semiconductor device and manufacturing method thereof |