Abstract

The efficiency of power produced by magnetic flux in the coil has been analysed using various forms of coil section. Magnetic flux was produced by magnets which were moved radially with a certain rotational speed. Meanwhile, a coil placed close to the magnets will produce an electromotive force (emf) according to Faraday's law. Besides affecting the magnitude of emf, the shape of coils also affected the power loss due to partial of magnetic field radially dispersed or didn't go through a coil cross-section. It caused only a portion of the magnetic field would be converted. Therefore, this study aims to reduce the power loss by various type of coil design i.e. round-shaped coil, square-shaped coil, and cone-shaped coil. The coil was formed by the same wire with a length of 60 m to produce the same resistance. The results showed that at a speed of 1100 rpm, the voltage which obtained using round-shaped coil, square-shaped coil, and cone-shaped coil respectively of 1.26 V and 1.01 V and 1.5 V and 1.88 V.

Original languageEnglish
Article number012055
JournalIOP Conference Series: Materials Science and Engineering
Volume858
Issue number1
DOIs
Publication statusPublished - 3 Jul 2020
Event4th International Conference on Advanced Material for Better Future 2019, ICAMBF 2019 - Surakarta, Central Java, Indonesia
Duration: 7 Oct 20198 Oct 2019

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