PERBAIKAN STABILITAS SISTEM TENAGA HIBRID MEGGUNAKAN PSS BERBASIS FUZZY TYPE-2
Abstract
Pengaturan Sistem Tenaga Listrik (STL) modern berbasis grid disebabkan oleh berkembangnya unit-unit pembangkit yang tersebar di sepanjang saluran distribusi. Pembangkit listrik ini memiliki kapasitas yang kecil dengan berbagai sumber energi yang menghasilkan sistem tenaga dengan pembangkit hybrid, seperti PLTD dan PLTMH. Kajian stabilitas sistem tenaga hibrida telah diselidiki, diperoleh bahwa stabilitas tidak bagus yaitu maximum peak (Mp) masih tinggi dan settling time (ts) lama. Kemudian diusulkan PSS berbasis fuzzy tipe-2 (FT2PSS) menggunakan metode Sugeno dengan fungsi keanggotaan gaussmf pada PLTD. Hasil simulasi menunjukkan bahwa untuk kenaikan beban sebesar 4% di PLTMH, stabilitas PLTD dan PLTMH meningkat. Respon osilasi PLTD menunjukkan penurunan Mp menjadi 0,3808 kali dan ts yang lebih singkat 0,6580 kali. Demikian pula untuk PLTMH, penurunan Mp mencapai 0,9874 kali dan ts dipersingkat menjadi 0,9816 kali.References
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