Mukromin, Radian Indra (2021) Implementasi Sistem Charging Baterai Berbasis Kontrol Logika Fuzzy Tipe-2 Dengan Multi-Input Buck Converter Pada Turbin Angin Skala Kecil. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Turbin angin dengan kecepatan angin rata rata sebesar 2-6 m/s kapasitas kurang dari 20KW berukuran turbin angin kecil. Pemasangan turbin angin skala kecil dengan jumlah banyak dapat menghasilkan listrik lebih dari 20KW setara turbin angin skala besar. Kecepatan angin yang tidak dapat diprediksi meghasilkan daya litrik pada turbin relatif tidak stabil atau daya yang dihasilkan satu turbin dengan turbin yang lain berbeda. Multi input DC-DC buck converter dengan sistem kendalinya menjadikan daya listrik dari dua turbin angin menjadi stabil. Penelitian ini bertujuan untuk mengetahui pengaruh variabel arus dalam variasi kapasitas baterai dan performansi respon pengendalian variabel tegangan terhadap kinerja tegangan berbasis kontrol logika fuzy tipe-2 DC-DC multi input buck converter pada prototipe turbin angin skala kecil. Set point DC-DC multi input buck converter berupa tegangan sebesar 7,35 Volt dengan koefisien FOU (footprint of uncertainty) sebesar ±0,3. Hasil uji sistem pengisian daya menggunakan logika fuzzy tipe 2 dengan lama pengisian baterai 5 jam pada baterai kapasitas 4,5 Ah mengalami kenaikan 0.86 Volt dengan rata – rata arus yang masuk ke baterai sebesar 14.36 mA, sedangkan pada baterai kapasitas 7,5 Ah mengalami kenaikan 0.04 Volt dengan rata – rata arus yang masuk ke baterai sebesar 11.53 mA. Hasil uji performansi sistem pengendalian berdasarkan Gambar 4.9 dengan sampling 1 detik diperoleh karakteristik respon berupa RiseTime 0.75 detik, Settling Time 2.7 detik, settling min 6 volt, settling max 7.68 volt, Peak 7.68 volt, dan PeakTime 859 detik.
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Wind turbines with an average wind speed of 2-6 m / s with a capacity of less than 20KW are small sized wind turbines. Installing a large number of small-scale wind turbines can produce more than 20KW of electricity, the equivalent of a large-scale wind turbine. Unpredictable wind speed results in relatively unstable electric power in the turbine or the power generated from one turbine to another turbine is different. The multi-input DC-DC buck converter with its control system makes the electric power of the two wind turbines stable. This study aims to measure the influence of the current variable in the battery capacity and to control the voltage variable on the voltage performance based on the fuzy logic control type-2 DC-DC multi input buck converter on a small-scale wind turbine prototype. The DC-DC multi input buck converter set point is a voltage of 7.35 volts with a coefficient FOU (footprint of uncertainty) of ± 0.3. The test results of the charging system using fuzzy logic type with a 5 hour battery charging time on a 4.5 Ah capacity battery increased by 0.86 volts with an average current entering the battery of 14.36 mA, while the battery capacity was 7.5 Ah has increased by 0.04 volts with an average current entering the battery of 11.53 mA. The results of the control system test based on Figure 4.9 with 1 second sampling obtained responses in the form of RiseTime 0.86 seconds, Settling Time 2.7 seconds, 6 volts min settling, 7.68 volts max settling, 7.68 volts Peak, and 859 seconds PeakTime.
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