ANALISA PENEMPATAN LIGHTNING ARRESTER SESUDAH CUT OUT UNTUK MENGURANGI GANGGUAN TEGANGAN LEBIH PADA TRAFO KL 0074 DI PT. PLN (Persero) ULP KLUNGKUNG

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Irwan Kurnia Yulianto I Wayan Rinas I Made Suartika

Abstract

Where it was recorded that according to BMKG data in 2019 in East Bali there were 15,000-
30,000 lightning strikes. This gives the potential for, lightning strike on a 20 kV distribution line
which is quite high. This connection will cause interference to the feeder if the lightning arrester
is placed on the distribution transformer incorrectly. The equepment used to protect equipment
from lightning surge distrubances, one of which is a lightning arrester. The lightning arrester
used in the KL 0074 substation is in place after the cut out. The Losan medium-voltage aerial
feeder is conncected by an A3CS cable for 8.5 km and an MVTIC cable for a distance of 2.02
km which is connected to the KL 0074 substation. The distance between the KL 0074
transformer and the lightning arrester is 3.75 meters, so it needs to be examined further to find
out whether the protection generated by the lightning arrester is optimal or not. Theeresulttoffthe
analysissshowwthatttheelightning arrester with an instalation distance of 0.34 meters from the
transformer is still able to cut the lightning surge, with the resulting splash voltage of 124.977.4
Volts but the spark voltage is within the tolerance limit of the 125 kV lightning arrester splash
voltage.,

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How to Cite
KURNIA YULIANTO, Irwan; RINAS, I Wayan; SUARTIKA, I Made. ANALISA PENEMPATAN LIGHTNING ARRESTER SESUDAH CUT OUT UNTUK MENGURANGI GANGGUAN TEGANGAN LEBIH PADA TRAFO KL 0074 DI PT. PLN (Persero) ULP KLUNGKUNG. Jurnal SPEKTRUM, [S.l.], v. 8, n. 2, p. 55-60, july 2021. ISSN 2684-9186. Available at: <https://ojs.unud.ac.id/index.php/spektrum/article/view/75398>. Date accessed: 20 oct. 2021. doi: https://doi.org/10.24843/SPEKTRUM.2021.v08.i02.p7.
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