STUDY OF THE EFFECT ON NOT OPERATING OF PLTSA SUWUNG TO VOLTAGE PROFILE AT SERANGAN FEEDER

SKRIPSI

Abstract

By : Gede Endrawadi

Email : gede_endrawadi@yahoo.com

Faculties : Fakultas Teknik

Department : S1 Teknik Elektro

The power plant with renewable energy sources is needed to reduce the pollution. One of this kind is in Bali, that is PLTSa Suwung. However, PLTSa Suwung is no longer operating for now. When PLTSa Suwung doesnít operate, it will affect the Serangan feederís voltage profile which is connected to it before. The study was conducted to determine the condition of Serangan feederís voltage profile using five scenarios based electrical power supply from PLTSa Suwung that is equal to 100% (1MVA), 75% (750kVA), 50% (500kVA), 25% (250kVA), and 0% (0kVA or the power plant not operate). The simulation model will be created using EDSA Technical 2000 Service Pack 3.5 software. The voltage drop from each scenario is still far from PLNís voltage variation limit, these are 5% for medium voltage bus and 10% for low voltage bus. Scenario 1 shows the best of voltage profile and scenario 5 shows the worst of voltage profile. Changes in voltage profile between scenario 1 and scenario 5 is 0,0079% for medium voltage bus and 0,0062% for low voltage bus. These results shows that the connected PLTSa Suwung, doesnít give effect to voltage profile of Serangan feeder.

Keyword : EDSA, voltage drop, Serangan feeder, PLTSa Suwung, voltage profile

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