Results 21 to 30 of about 827 (204)
Failure Trends of High-Voltage Porcelain Insulators Depending on the Constituents of the Porcelain
Applied Sciences, 2020 The aging of porcelain insulators is responsible for the failure of power utilities. Porcelain insulators from different places in South Korea, possessing various aging times and years of installation, have been investigated to carry out lifetime ...
Simpy Sanyal +5 more
doaj +2 more sources
A synthetic high-voltage power line insulator images dataset [PDF]
Data in BriefHigh-voltage power line insulators are crucial for safe and efficient electricity transmission. However, real-world image limitations, particularly regarding dirty insulator strings, delay the development of robust algorithms for insulator inspection ...
Reinaldo A.C. Bianchi +8 more
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Discharge Phenomenon of a 500 kV Double Tension Porcelain Insulator String
Zhongguo dianliThe mechanism of this phenomenon was studied with a double tension porcelain insulator strings in a 500 kV converter station. Experiments including resistance testing and cross-sectional staining were conducted, and a simulation model of double insulator
Yang CHENG +6 more
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Effect of RTV coating on the electrical performance of porcelain insulator string under dry condition [PDF]
, 2020 Pollution flashover is one of the primary reasons cause to power system failure in Malaysia. The presence of accumulation on the porcelain insulator surface reduces the electrical performance and also causes the failure of insulation in transmission and ...
Isa, Muzamir +4 more
core +1 more source
AIP Advances, 2022 The infrared thermal image detection method has unique advantages in the field of low zero value diagnosis of porcelain insulators. However, since the length of the extra–ultra-high voltage (EHV–UHV) porcelain insulator string can reach more than 10 m ...
Xiaopo Mao, Xueming Zhou
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Electric Field and Potential Distribution of Porcelain Insulator using FEM Method
, 2021 The porcelain insulators are investigated with the high voltage transmission line in outdoor condition. The MATLAB finite element simulation are used here to test the performance of the porcelain.
V Muralidhara +3 more
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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
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Journal of Measurement Science and Instrumentation, 2022 The installed porcelain insulators on existing railway lines in China are prone to "snow flash" in winter. In order to prevent the occurrence of "snow flash" and improve the reliability of the insulators, a composite-porcelain insulator is designed.
SHENG Wangqun +4 more
doaj
Analysis of Thermal Sensitivity by High Voltage Insulator Materials
IEEE Access, 2020 Insulators serve bi-fold objectives of holding the conductor and electrical segregation from the grounded structure. For reliable operation of utility, electrical and mechanical strength of insulators are equally significant.
Taeyong Kim +5 more
doaj +1 more source
EFVD along Porcelain insulator using the FEM [PDF]
, 2017 In this paper, cap and pin porcelain insulator was studied under an environment with different levels of humidity. The electric field strength and voltage distribution profile along the insulator string was simulated using a computational software ...
Mohd Zulhimi Bin Zolkefali
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