Pengaruh Variasi Diameter Kawat Lilitan Alternator Sepeda Motor Terhadap Kinerja Output Sebagai Generator Prototype Pltph

Juliano, Zlatan Aditya (2026) Pengaruh Variasi Diameter Kawat Lilitan Alternator Sepeda Motor Terhadap Kinerja Output Sebagai Generator Prototype Pltph. Undergraduate thesis, Politekteknik Negeri Jember.

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Abstract

This study aims to analyze the effect of wire diameter variations in a motorcycle alternator coil on generator output performance in a pico hydropower (PLTPH) prototype. The wire diameters used were 0.5 mm, 0.8 mm, and 1 mm, with a constant 35 turns per pole (12 poles). An experimental method was applied by measuring voltage, current, output power, and efficiency. The results show that the 0.8 mm wire diameter provides the best performance, with an average voltage of 109 V, current of 0.113 A, output power of 12.363 W, and efficiency of 12.62%. The 0.5 mm wire produced 11.733 W, while the 1 mm wire produced 10.856 W. These results indicate that smaller diameters increase resistance, while larger diameters reduce effective coil turns. Therefore, 0.8 mm is the optimal diameter for this configuration.

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