Syah, Alfi Firman (2021) Rancang Bangun Sistem Pengisian Baterai Pembangkit Listrik Hibrida Tenaga Bayu dan Tenaga Surya Berbasis Kontrol Logika Fuzzy. Masters thesis, Institut Teknologi Sepuluh Nopember.
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02311950010002-Master_Thesis.pdf - Accepted Version Restricted to Repository staff only until 1 October 2023. Download (6MB) | Request a copy |
Abstract
Menghadapi masalah pemanasan global, banyak pemerintah dan organisasi di seluruh dunia secara aktif memperhatikan sumber energi terbarukan. Pemerintah Indonesia menargetkan 23% energi terbarukan pada tahun 2025. Energi terbarukan yang dimanfaatkan didominasi oleh energi hidro, panas bumi, biomassa, biodiesel, dan energi surya. Penggunaan energi angin memiliki beberapa tantangan, mengingat Indonesia terletak di wilayah khatulistiwa yang memiliki kecepatan angin yang tidak stabil. Wilayah kahatulistiwa memiliki potensi tenaga surya yang besar, namun pemanfaatan tenaga surya sangat bergantung pada kondisi cuaca. Menggabungkan dua atau lebih sumber energi terbarukan dengan konverter dc-dc multi-input yang terhubung dengan baterai dapat menjadi solusi alternatif. Penelitian ini bertujuan untuk mengimplementasikan dan menganalisis kinerja kendali logika fuzzy pada tegangan keluaran dari multi-input buck converter dan kontrol pengisian baterai. Hasil respon kontrol tegangan output pada multi-input buck converter menunjukkan kontrol logika fuzzy mampu mempertahankan nilai tegangan output konverter sesuai set-point dengan nilai rise time sebesar 155 ms, dan nilai settling time 425 ms dan nilai error steady state sebesar 0,54%. Hasil respon kontrol tegangan pengisian baterai menunjukkan nilai rata-rata error sebesar 1,40%. Nilai error maksimum yang dihasilkan sebesar 4,31% pada nilai tegangan 13,78 V.
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Facing global warming issues, many worldwide governments and organizations are actively concerned about renewable energy sources. The Indonesian government has target 23% renewable energy in 2025. Renewable energy that has been used was dominated by hydro, geothermal, biomass, biodiesel, and solar energy. The use of wind energy has several challenges, considering that Indonesia is located in the equator region which has unstable wind power. The equatorial region has a large potential of solar power, but the utilization of solar power is highly dependent on weather conditions. Combined two or more renewable energy sources with a multi-input dc-dc converter connected to the battery could be an alternative solution. This research aims to implement and analyze the performance of fuzzy logic control on the output voltage of a multi-input buck converter. The results of the output voltage control response on the multi-input buck converter show that fuzzy logic control is able to maintain the converter output voltage value with rise time 155 ms, settling time is 425 ms and error steady state is 0,54%. The results of the battery charging voltage control response show that average error value is 1,40%. The maximum error value is 4,31% at 13,78 V.
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