Desain Dan Implementasi Mppt Battery Control Unit Menggunakan Metode Perturb And Observe

Hasan Basri Dongoran, Sony Sumaryo, Wahmisari Priharti

Abstract

Abstrak
Pemanfaatan energi matahari sebagai sumber energi listrik alternatif sudah mulai banyak
digunakan saat ini. Cahaya atau sinar matahari dapat dikonversi menjadi listrik menggunakan
teknologi sel surya atau fotovoltaik. Namun daya yang dihasilkan panel surya saat ini belum
maksimal. Hal ini disebabkan karena adanya pengaruh dari efisiensi panel surya, baik dalam
pemilihan bahan pembuatan panel surya, luas panel, temperatur dan intensitas cahaya
matahari. Pada tugas akhir ini dirancang sebuah sistem battery control unit MPPT (maximum
power point tracking) menggunakan perturb and observe (P&O) algorithm. Algoritma ini dapat
memaksimalkan keluaran daya dari panel surya dan menyesuaikan dengan tegangan beban.
Parameter yang diukur dari sistem berupa tegangan, arus, serta daya yang dihasilkan panel
surya dan synchronous buck converter. Hasil dari tugas akhir ini berupa perancangan Battery
Control Unit (BCU) yang dapat mengatur proses pengisian dan penyaluran energi listrik ke
beban. Efisiensi dari perancangan synchronous buck converter menggunakan MPPT P&O
sebesar 82.09% dan tanpa menggunakan MPPT P&O sebesar 80.77%.
Kata kunci: Fotovoltaik, MPPT, Synchronous Buck Converter, Algoritma P&O, Saklar
Otomatis
Abstract
The usage of solar energy as one of the alternative energy sources has tremendously
increased these days. The sunlight could be transformed into electrical energy using a technology
called a solar cell (photovoltaic). However, the power that a solar cell could generate is not as
maximum as it gets. This is impacted by the efficiency of the width, temperature, and material of
the solar panel as well as the intensity of the sunlight. In this final project, a Battery Control Unit
MPPT (Maximum Power Point Tracking) is made using perturb and observe (P&O) algorithm.
This algorithm could maximize the power outage from the solar panel and also adjusting with
the load voltage. The parameters that will be measured is the voltage, current, and power that
comes from the solar panel and synchronous buck converter. The result from this final project a
Battery Control Unit design that could control the process of charging and distributing the
electrical energy to the load. The efficiency of this system with the MPPT P&O algorithm is
82.09% and without the MPPT P&O algorithm is 80.77%.
Keywords: Photovoltaic, MPPT, Synchronous Buck Converter, P&O Algorithm, Automatic
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