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A Method of Load shedding Operation Using Frequency Relay During Islanding Mode: Study Case of Senayan-Sambas Power System
Krisandi Yonathan, Kurniadi Ramadhan, Fahmi Muhyiddin Rabbani, I Made Ardita, Fauzan Hanif Jufri, Agus R. Utomo

Universitas Indonesia


Disturbances which commonly occur in electric power system such as loss of generation may affect the frequency stability. Hence, in order to maintain the stability, a load shedding is carried out by analyzing the reactive power and triggering the circuit breaker through frequency relay. Analysis of the reactive power is used to determine the location of the loads that will be released. The objective of the methodology is to minimize the loss of load while maintaining the frequency stability of the system. Four scenarios are employed in this study in accordance with the quantity of generator trip. As a result, the proposed method is able to minimize the amount of loss of load ranging from 18 MW to 35 MW with the frequency recovery time is less than 30 seconds.

Keywords: power system stability, frequency stability, load shedding, frequency relay, islanding

Topic: Electrical Engineering


Conference: Broad Exposure on Science and Technology (BEST 2019)

Plain Format | Corresponding Author (Dwi Riana Aryani)

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