Perbaikan Kualitas Daya Listrik Pemakaian Sendiri PLTA Wlingi Melalui Implementasi Kapasitor Bank dan Filter LC
Studi Simulasi Peningkatan Faktor Daya dan Reduksi Harmonisa pada Sistem Pemakaian Sendiri PLTA Wlingi
DOI:
https://doi.org/10.32497/orbith.v21i2.6660Keywords:
Power Factor, Harmonics, Capacitor Bank, L-C Filter, PLTA WlingiAbstract
Kualitas daya listrik menjadi aspek penting dalam mendukung keandalan operasi sistem pembangkit khususnya pada sistem Pemakaian Sendiri (PS) PLTA Wlingi. Penelitian ini difokuskan pada upaya peningkatan faktor daya dan penanggulangan harmonisa yang timbul akibat dominasi beban induktif. Berdasarkan hasil simulasi sistem eksisting, diperoleh nilai faktor daya sebesar 0,49 dengan kandungan harmonisa mendekati ambang batas standar. Solusi yang diterapkan adalah pemasangan kapasitor bank berkapasitas 317,66 kVar, disertai dengan penambahan filter pasif L-C yang dituning pada orde ke-9 untuk meredam resonansi harmonik. Hasil simulasi menunjukkan bahwa solusi ini mampu meningkatkan faktor daya menjadi 0,83 dan menurunkan nilai THD tegangan hingga 2,21%. Strategi ini terbukti efektif secara teknis dalam meningkatkan efisiensi sistem dan memenuhi batasan kualitas daya sesuai IEEE Std 519.
Kata kunci: kualitas daya, faktor daya, harmonisa, kapasitor bank, filter L-C, PLTA Wlingi
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