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Mochamad Ashari
Sjamsjul Anam
Surojo Surojo


This paper presents a wide range maximum
power point tracker (MPPT) using fuzzy logic controller for PV sizing and efficiency improvement. The MPPT consists of a buck boost converter, controlled by a fuzzy
logic. The fuzzy has two inputs and single output. Inputs are voltage and current of the PV, while the output is duty cycle for the buck boost. The MPPT effectively tracks at
average 97.3% of the peak power under wide range of solar irradiances and load resistances. Without MPPT, the PV output generates at average 67.7% of the peak power. A sizing method of PV system involving MPPT for supplying 2500 Watt load is also presented in this paper.

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