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Abstract

Energy needs are increasing day by day, especially for developing countries, due to population growth and changing lifestyles. A suitable microgrid topology with renewable energy integration is considered to fulfill the people and society’s needs. This paper focuses on the design of AC microgrid topology for a nonelectrified village with the integration of PV uncertainties in both sitting and sizing. The development of an optimal algorithm based on the conductor use minimization and unbalanced load improvement is proposed. The shortest path is proposed to search for the minimum conductor use. Then, the algorithm for improving the unbalanced load with two different algorithms–phase sequence and first-fit bin packing with phase swapping–is compared based on the energy use indicator. Once the optimal AC microgrid topology is defined, the impact of the integration of PV uncertainties into the system is studied. Simulation results prove the effectiveness of the proposed method.

Bahasa Abstract

Rancangan Topologi Kisi Mikro AC dengan Ketidak-pastian Fotovoltaik di suatu Kampung Pedesaan. Kebutuhan energi terus meningkat dari hari ke hari, khususnya untuk pengembangan desa, akibat pertumbuhan populasi dan perubahan gaya hidup. Suatu topologi kisi mikro yang cocok dengan integrasi energi yang dapat diperbaharui dipertimbangkan untuk memenuhi kebutuhan rakyat dan masyarakat. Kajian ini memfokuskan pada topologi kisi mikro AC untuk suatu kampung yang belum berlistrik dengan penyatuan ketidak-pastian PV baik di dalam kedudukan maupun ukuran. Diusulkan pengembangan suatu algoritma optimal berdasarkan pada minimalisasi penggunaan konduktor dan peningkatan beban tak seimbang. Diusulkan lintasan terpendek untuk mencari penggunaan konduktor minimum. Selanjutnya, algoritma tersebut untuk meningkatkan beban tak seimbang dengan dua algoritma yang berbeda–rangkaian fase dan pengemasan wadah penyimpan hasil panen yang cocok mula-mula (firs-fit bin) dengan pertukaran fase–dibandingkan berdasarkan pada indikator penggunaan energi. Setelah topologi kisi mikro AC optimum terbentuk, dampak dari penyatuan ketidak-pastian PV ke dalam sistem dikaji. Hasil-hasil simulasi membuktikan keberhasilan metode yang diusulkan.

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