ANALISIS KOORDINASI PENGAMAN OVER CURRENT RELAY, GROUND FAULT RELAY, DAN RECLOSER PADA PENYULANG MAJENANG 08 PT. PLN (PERSERO) GARDU INDUK MAJENANG CILACAP

JUNIARTO, TRI (2019) ANALISIS KOORDINASI PENGAMAN OVER CURRENT RELAY, GROUND FAULT RELAY, DAN RECLOSER PADA PENYULANG MAJENANG 08 PT. PLN (PERSERO) GARDU INDUK MAJENANG CILACAP. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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TRI JUNIARTO COVER.pdf

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Abstract

Electric power distribution system is a system that is useful for distributing electric power from substations to consumers, which are inseparable from problems, including short circuit current interference. To localize the interference, a protection system is needed that meets the requirements of sensitivity, reliability, selectivity and speed. MJN 08 feeders have a length of 32.950 km with over current relay (OCR) and ground fauly relay (GFR) that serve to give orders to Reclosers or PMT. In the study of short circuit current and protection coordination in MJN 08 feeders manual calculations and simulations using ETAP were performed. The results of calculations and simulations of short circuit currents are known that the farther the point of disturbance that occurs, the short circuit current will be smaller. The results of the protective coordination manual calculation of the 3 phase short circuit current relay work time are 0.301 seconds - 0.534 seconds and in the simulation with ETAP 0.303 seconds - 0.532 seconds, while the manual calculation of 2 phase short circuit current is 0.331 seconds - 0.755 seconds, and ETAP simulation is 0.319 seconds - 0.582 seconds. OCR working time is approaching the SPLN standard, which is 0.35 seconds - 0.4 seconds, but has a difference of 0.1 seconds slower. The results of manual 1-to-ground short circuit calculation are 0.765 seconds - 1.496 seconds while ETAP simulation is 0.706 seconds - 1.243 seconds. From the results of calculations and simulations the value of GFR protection work time is not in accordance with the SPLN

Item Type: Thesis (Bachelor)
Uncontrolled Keywords: Short Circuit Flow, ETAP, Coordination protection, Working Time
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Fakultas Teknik > Teknik Elektro S1
Depositing User: Indra Himawan
Date Deposited: 20 Jul 2022 07:13
Last Modified: 20 Jul 2022 07:13
URI: https://repository.ump.ac.id:80/id/eprint/12784

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