Analysis of Resonance in Sumatra 500 kV Extra High Voltage Transmission Line Energization Schemes

Ika Mayla Sari; Nanang Hariyanto

Ika Mayla Sari School of Electrical Engineering and Informatics, Bandung Institute of Technology, Bandung, Indonesia
Nanang Hariyanto School of Electrical Engineering and Informatics, Bandung Institute of Technology, Bandung, Indonesia

Keywords: Resonance, shunt reactor, energization, EHV transmission line

Abstract

Various analyzes are needed on the transmission line before energizing the extra-high-voltage transmission line. One of the analyzes that need to be carried out in lightly loaded double-circuit transmission lines equipped with shunt reactors is resonance analysis. Resonance causes a high increase in voltage on the line that has not been energized due to the interaction of shunt reactors with the remaining energized phase(s)/circuit(s) through capacitive coupling. This study focuses on resonance analysis which is carried out using electromagnetic transient analysis. As a result, there are several potential resonances in Sumatra 500 kV transmission line energization schemes.

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