Pengaruh pembangkit photovoltaic sebagai distributed energy resources terhadap profil tegangan dan rugi-rugi daya pada Penyulang Bantul 05 Yogyakarta

Jimmy Trio Putra, Istiqomah Istiqomah, Riki Khomarudin, Agus Diantoro

Abstract


Permasalahan besarnya jumlah beban dan letak pembangkit yang jauh dari dari sistem distribusi menimbulkan jatuh tegangan dan rugi-rugi daya semakin meningkat. Selain itu, Distributed Energy Resources (DER) yang terintegrasi pada, penyulang distribusi menjadikan tantangan yang baru terhadap sistem distribusi. Penelitian ini bertujuan untuk mengetahui besarnya dampak pemasangan pembangkit Photovoltaic (PV) sebagai DER terhadap penyulang Bantul, Yogyakarta. Peneliti menggunakan simulasi dengan mode aliran daya dari perangkat lunak Open Distribution System Simulator (OpenDSS) dalam menganalisis perbandingan profil tegangan dan besarnya rugi-rugi daya sebelum dan setelah pemasangan PV. Penelitian dibagi dalam dua skenario penambahan Distributed Generation (DG) yaitu skenario 1 dengan menggunakan single DG terpasang pada bus 33 sedangkan skenario 2 dengan multi-DG terpasang pada bus 19 dan 33. Hasil penelitian awal tanpa pemasangan DG menunjukkan bahwa pada bus terendah memiliki nilai profil tegangan sebesar 0.86 p.u. dengan total rugi-rugi daya sebesar 439.9 kW. Sedangkan integrasi DG terbukti dapat meningkatkan profil tegangan dan meminimalisir total rugi daya. Skenario 1 dapat memperbaiki profil tegangan terendah penyulang dari 0.86 p.u menjadi 0.92 p.u. dan total rugi-rugi daya yang awalnya sebesar 439.9 kW  menjadi sebesar 125.2 kW. Skenario 2 menjadi skenario terbaik dengan perbaikan profil tegangan pada bus terendah dari 0.86 p.u menjadi sebesar 0.9695 p.u dan rugi-rugi daya total awalnya sebesar 439.9 kW menjadi sebesar 62.6 kW.


Keywords


OpenDSS, Photovoltaic, Power Losses, Voltage Profile.

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DOI: http://dx.doi.org/10.36055/tjst.v15i2.6811

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