Results 31 to 40 of about 917 (210)
Tikrit Journal of Engineering Sciences, 2018 Recent repeated flashovers and power outage incidents in an (400/132) kV substation, located in the Ad Diwaniyah Province, have called for extensive investigations to evaluate the effect of subsequent deposition of sandstorm and free carbon particles ...
Israa Amer Dahham
doaj +2 more sources
Porcelain insulation – defining the underlying mechanism of failure
High Voltage, 2019 Porcelain insulators have a long history and wide application range in power systems, but just like any other insulator, they can fail. A number of pole fires occurred on lines utilising porcelain suspension insulators.
Joni Kluss +6 more
doaj +1 more source
Resistance of High Tension Porcelain Insulators [PDF]
, 1928 High tension insulators are generally built of several porcelain discs in series, the discs being connected by galvanized steel hardware. When alternating voltage is impressed across such a string the voltage is not distributed symmetrically because the
Morgan, Stanley Chapin
core +1 more source
An infrared image target detection algorithm for porcelain post insulators
Zhejiang dianli, 2023 Detecting abnormal heat in porcelain post insulators using infrared thermal imaging （ITI） stands as a principal approach for diagnosing fault in post insulators within substations.
ZHOU Yangyang +5 more
doaj +1 more source
Analysis of partial discharges in supporting insulators [PDF]
Омский научный вестник, 2020 The diagnostics of overhead power lines is an important issue in the modern electric power industry. Sometimes supporting insulators are destroyed by external factors.
D. A. Polyakov +4 more
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High-Tension Insulator Porcelain [PDF]
Transactions of the American Institute of Electrical Engineers, 1920 Porcelain used in the manufacture of high-tensioin insulators must meet certain requirements as to mechanical strength, ability to resist, sudden changes of temperature, porosity, homogeneitv and temperature, coefficient of resistivity. A further suggestion as to the influences of the Piezo electric effect and the deterioration of seemingly perfect ...
openaire +1 more source
The application of terahertz technology in ultra high voltage large tonnage insulator detection
Energy Reports, 2023 Among major nondestructive testing technologies (NDT), such as X-ray and ultra-sound, Terahertz (THz) waves present significant transmission rate through most of nonconductive materials without the need of applying couplant while posing zero ionized ...
Shengzhe Yang +4 more
doaj +1 more source
Mehran University Research Journal of Engineering and TechnologyInsulation is critical to reliable power system performance, including medium voltage cut-out fuse insulators that are crucial to protecting outdoor distribution lines, transformers, and equipment. In case of medium-voltage networks, these insulators are
Noor Nabi +3 more
doaj +1 more source
High Voltage, EarlyView.ABSTRACT To address the issue of low detection accuracy for zero‐value insulators in distribution lines, this study proposes a novel method for detecting these insulators based on the electroluminescence effect. Through theoretical analysis and experimentation, it was found that the luminescence intensity of ZnS:Cu electroluminescent material varies ...
Jianghai Geng +6 more
wiley +1 more source