EVALUASI KOORDINASI PROTEKSI RELE ARUS LEBIH DAN GANGGUAN TANAH PADA TRANSFORMATOR 70 KV GARDU INDUK SUNGAI KEDUKAN PENYULANG ARWANA

PUTRA, PRIBADI EKA and Adipradana, Wirawan (2023) EVALUASI KOORDINASI PROTEKSI RELE ARUS LEBIH DAN GANGGUAN TANAH PADA TRANSFORMATOR 70 KV GARDU INDUK SUNGAI KEDUKAN PENYULANG ARWANA. Undergraduate thesis, Sriwijaya University.

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Abstract

In the era of Industry 4.0, electricity demand is crucial in supporting daily life activities. Therefore, the distribution of electrical power to consumers must be reliable and of high quality, especially in terms of handling disturbances. Electrical distribution is not immune to disturbances, particularly short-circuit faults. Thus, coordination of protection relays is necessary to localize faults and protect main equipment in the distribution system. At Sungai Kedukan Substation, protection relays such as Overcurrent Relays are installed to anticipate two-phase short-circuit faults, and Ground Fault Relays are used to anticipate single-phase ground faults. The research began with data collection through field observations at the Sungai Kedukan Substation. Based on calculations, it was found that the two-phase short-circuit current and the single-phase ground fault current at the transformer were 3165,3242 A and 260.6737 A, respectively. At the Arwana feeder, the two-phase short-circuit current and the single-phase ground fault current were 260.6737 A and 260.6737 A, respectively. The setting value of the Overcurrent Relay Time Multiplier Setting (TMS) for the 70 kV side of the transformer was 0.3, and for the 20 kV side was 0.2. The setting value of the Overcurrent Relay TMS at the Arwana feeder was 0.02. The setting value of the Ground Fault Relay TMS for the 70 kV side of the transformer was 0.40, and for the 20 kV side was 0.23. The setting value of the Ground Fault Relay TMS at the Arwana feeder was 0.1.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	PROTEKSI RELE, TANAH dan SUNGAI
Subjects:	Q Science > Q Science (General) > Q1-295 General
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	PRIBADI EKA PUTRA
Date Deposited:	25 Sep 2023 06:23
Last Modified:	25 Sep 2023 06:23
URI:	http://repository.unsri.ac.id/id/eprint/129103

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