PENINGKATAN EFISIENSI SOLAR SEL MENGGUNAKAN TEKNOLOGI MPTT (MAXIMUM POWER POINT TRACKING) BERBASIS FUZZY-INCREMENTAL CONDUCTANCE)

Machmud Effendy, Nuralif Nuralif, Khusnul Hidayat

Abstract


MPPT adalah sebuah teknologi untuk memaksimalkan daya listrik solar sel. Terdapat dua bagian utama dalam teknologi MPPT yaitu rangkaian DC-DC Converter dan algoritma kontrol.  Dalam penelitian ini kami menggunakan rangkaian DC-DC converter jenis Synchronous Buck Converter dan Algoritma kontrol  Fuzzy-Incremental Conductance (Fuzzy-IC).  Synchronous Buck Converter  memiliki rugi-rugi arus yang lebih kecil dibandingkan dengan Buck Converter.  Algoritma Fuzzy-IC merupakan gabungan antara algoritma Fuzzy dan algoritma IC. Sehingga algoritma Fuzzy-IC memiliki kecepatan dan ketepatan yang lebih baik dibandingkan dengan algoritma kontrol sebelumnya dalam menentukan titik maksimal solar sel. Dalam peneltian ini, kami membuat dan mengimplemetnasikan MPPT menggunakan solar sel sebesar 50 Watt Peak, batterai 12V/45Ah dan beban listrik berupa resistor. Hasil pengujian menunjukkan bahwa MPPT menggunakan algoritma Fuzzy-IC memiliki efisiensi 89%, dan MPPT dengan algoritma IC memiliki efisiensi 87%. 

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