KINERJA ARRESTER AKIBAT INDUKSI SAMBARAN PETIR
ABSTRACT: Electricity demand
continues to increase so that the required power in a large number of high
quality and reliability. Problems in electric power system that occur in
transmission and distribution lines that is often of lightning stroke. This is
because Indonesia is in the region the equator with a tropical climate and high
humidity, so that Indonesia has a number of lightning strikes.
In this paper the lightning stroke and lightning arrester performance on
distribution lines 20 kV were simulated using EMTP (Electromagnetic Transient
Program) for lightning stroke observation.
As case study, Mojosongo 1 main feeder 20 kV three phase lines were used.
From simulation of lightning stroke 20 kA in By1-61-61E-84-9I on S phase at 0,1 ms, will experience of
increase of voltage on S phase was 1,3054 MV and for R phase and T phase will
experience of increase of induced voltage were 0,79539 MV and 0,80484 MV. Then
we will see performance of MOV Arrester (Metal Oxide Varistor) in overcoming
lightning stroke trouble, where arrester can decrease voltage up to 15,198 kV
on S phase, while at R phase and T phase arrester can decrease voltage up to
11,375 kV and 13,616 kV.
Penulis: ABDUL SYAKUR, AGUNG
WARSITO
Kode Jurnal: jptlisetrodd090087
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