Investigation of line surge arresters application to the 150 kV system of Rhodes

Mikropoulos, Pantelis N.; Tsovilis, Thomas E.; Thalassinakis, E.; Pagonis, Grigorios

doi:10.1016/j.epsr.2022.108763

Cited by 7 publications

(2 citation statements)

References 23 publications

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“…Insulators are vital in power transmission and distribution [4], [7]. Insulators are required in transmission lines to isolate portions with differing voltages between line and neutral and as mechanical supports [8], [9].…”

Section: Introductionmentioning

confidence: 99%

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The Effect of Humidity and Temperature on Flashover in High Voltage Transmission Line Ceramic Insulators

Amalia,

Azhar,

Hidayatullah

et al. 2024

TEM Journal

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This research aims to determine the flashover voltage on the surface of porcelain insulators on 150 kV transmission lines located in Payakumbuh, where the insulators are contaminated with dust and moss due to the effects of temperature and humidity. The experiment is carried out with only up to seven insulator plates due to the limitations of the available apparatus. For the further testing, a trend analysis is applied. According to the experimental results, a rise in temperature around the insulator will increase the flashover voltage value and accelerate the potential for a flashover event. This happens because high temperatures can reduce the insulator's dielectric strength and insulation resistance and increase the risk of flashover. The dielectric strength values decreased with an average decrease of 44.62% per insulator plate for dusty insulators and 45.08% for each plate for mossy insulators. The results aim to minimize flashover on transmission lines in hilly areas with relatively high contamination.

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Section: Introductionmentioning

confidence: 99%

“…Temperature and humidity are two environmental factors that influence the ability of insulators to withstand flashover voltage [7], [15], [17]. They may be less effective at preventing flashover in conditions of high humidity and extreme heat [4], [18] [15], [19].…”

Section: Introductionmentioning

confidence: 99%