APLIKASI RESTRICTED EARTH FAULT (REF) RELAY PADA PROTEKSI TRANSFORMATOR TERHADAP GANGGUAN
HUBUNG TANAH DI GARDU INDUK CENGKARENG
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
ASMAWAN, ACHMAD DARUL
Susanto, Djoko
Susanto, Djoko
Subject
Teknik Elektro
Datestamp
2019-11-19 01:17:58
Abstract :
Transfomator that used to step down from transmission voltage to primer distribution voltage in the house station need protection for earth fault,because earth fault belong to fault that often occur.Transformator that give supply to distribution network will feel the earth fault that occur in distribution network.Protection must be selective,it?s mean that it can differ fault between in network and transformator,because most of fault in the distribution network is phase to earth fault,so relay must can detect this fault.Neutral point of transformator must be grounded,either direct or use resistance.Value of resistance will measure value of current of earth fault.It?s mean that it must have more value for setting relay but also must be limited in order to don?t break the ground cable. Transformator that used in distribution network,it?s relay must be more sensitive to earth fault in transformator.So there are no problem about protection between transformator and cable.This minithesis an idea about how to solve this problem by Restricted Earth Fault Relay (REF).
Transfomator that used to step down from transmission voltage to primer distribution voltage in the house station need protection for earth fault,because earth fault belong to fault that often occur.Transformator that give supply to distribution network will feel the earth fault that occur in distribution network.Protection must be selective,it?s mean that it can differ fault between in network and transformator,because most of fault in the distribution network is phase to earth fault,so relay must can detect this fault.Neutral point of transformator must be grounded,either direct or use resistance.Value of resistance will measure value of current of earth fault.It?s mean that it must have more value for setting relay but also must be limited in order to don?t break the ground cable. Transformator that used in distribution network,it?s relay must be more sensitive to earth fault in transformator.So there are no problem about protection between transformator and cable.This minithesis an idea about how to solve this problem by Restricted Earth Fault Relay (REF).
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BAB II new_2.pdf
C.LEMBAR KEASLIAN SKRIPSI.pdf
Lampiran E.pdf
A.COVER.pdf
ABSTRACT.pdf
Abstrak.pdf
B.PENGESAHAN.pdf
SLD_150_kV_CENGKARENG.pdf
Lampiran3.pdf
Bab_IV_Transformator_baru.pdf
Bab III transformator_2.pdf
D.UCAPAN TERIMA KASIH.pdf
Daftar Isi.pdf
DAFTAR KONSULTASI SKRIPSI .pdf
BAB_I_SKRIPSI_2.pdf
Daftar Pustaka.pdf
Lampiran2.pdf
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