ANALISA SETTING GROUND FAULT RELAY (GFR) TERHADAP SISTEM PENTANAHAN NETRAL PENYULANG PANDEANLAMPER 06 JTM 20 KV SEMARANG
ABSTRACT: The operation of the
distribution system has major problems in overcoming interference. In its
development, electric power systems increasingly large currents cause
electrical interference that may occur the greater. Therefore, they invented a
system called neutral grounding.There is no ideal grounding neutral earthing throughout
the distribution network Semarang cause neutral grounding resistance value.
Neutral resistance values may cause a decrease in current flowing to ground
disturbance that affects the sensitivity GFR (Ground Foult Relay) installed.
Because of that, necessary to analyze the GFR setting the main feeder neutral
earthing systems JTM 20 kV feeders Semarang by taking samples Pandealamper 06
to determine the condition of setting GFR installed in accordance with the
neutral earthing systems.Results of the calculation of the noise current by
entering the value of resistance neutral earthing exiting GFR values obtained
ideal setting on the feeder Pandeanlamper 06 is not much different from the
existing GFR setting value. Values of 0.27 ? neutral earthing (existing) did
not significantly influence the sensitivity GFR of the feeder PDL 06.GFR
remained detect interference and work in accordance with the characteristic
curve GFR.Based on the analysis, GFR mounted setting was appropriate and able
to provide security in Pandeanlamper feeder 06.
Penulis: Muhammad Iqbal, Moh
Toni Prasetyo, Luqman Assaffat
Kode Jurnal: jptlisetrodd160671

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