CD Skripsi

Analisis Kestabilan Frekuensi Sistem Saat Dilakukan Overloadshedding Sebagai Akibat Adanya Gangguan Generator Outage

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ABSTRACT
This research aims to evaluate the performance of the Load Shedding system during a generator outage disturbance in large-scale industries such as PT. Riau Andalan Pulp and Paper using simulation testing methods on the Electrical Transient Analyst Program (ETAP) software. In this study, frequency is used as the system reliability index, assisted by the under frequency relay (UFR) protection system. The load shedding simulation tests used correspond to the number of installed generators, namely 10 generators, so the N-1 contingency was applied to determine the scenarios. The results of the Load Shedding system simulation test during a generator outage with N-1 contingency show that in scenarios 1, 2, and 3, when one of TG 1, TG 2, or TG 3 trips, load shedding does not work because the loss of power supply is not too significant less than 10%, resulting in a gradual frequency drop. The control system can still maintain the system frequency within the normal range by utilizing the spinning reserve available in the remaining generators. In scenarios 4 to 10, when one of TG 4, TG 5, TG 6, TG 7, TG 8, TG 9, or TG 10 experiences an outage/trip, there will be an imbalance between power supply and load demand 10%, leading to an overload and a sudden sharp drop in system frequency, exceeding the predetermined load shedding threshold. This results in the activation of the underfrequency relay to perform load shedding according to the amount of lost generation power in order to restore the frequency to the normal operating range continuously within the allowed time according to applicable standards such as the IEEE C37-106 2003 standard, which regulates frequency during abnormal conditions. The results of this study provide insights into the reliability and effectiveness of the Load Shedding system at PT. Riau Andalan Pulp and Paper, with recommendations to enhance the Load Shedding capabilities in facing abnormal situations.
Keywords: Failures Generator Outage, Under Frequency, Load Shedding, ETAP

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

2007114265

Penerbit

Pekanbaru : Universitas Riau – F.TEKNIK – Elektro., 2024

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

2007114265

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNIK ELETRO

Info Detail Spesifik

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Pernyataan Tanggungjawab

daus

Versi lain/terkait

Lampiran Berkas

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