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Investigation of NdFeB N52 magnet field as advanced material at air gap of axial electrical generator

N Hiron, Asep Andang, Nundang Busaeri
IOP Conference Series: Materials Science and Engineering , Volume 550; doi:10.1088/1757-899x/550/1/012034

Abstract: The aim of this study is to investigate and analyze the NdFeB N52 type magnetic field distribution on a Trapezoidal type coil in an axial type generator. The main problems addressed by this study are how the distribution of magnetic field type NdFeB N52 to the trapezoidal type coil and how the influence of air gap between NdFeB N52 magnets and the coil to the output electric voltage generated from the coil at the speed of rotation. In order to answer the problems, we moved a rectangular type magnet axially towards the trapezoidal type coil with a specified distance, so that we could identify the change of the output voltage. The description of the magnetic field distribution in the stator was simulated by using the Maxwell 3D Design application ran in ANSYS software 16.0. The result of this study shows that the magnet was distributed evenly on the coil. It is also known that based on experiments with 2mm to 6mm of magnet to coils of gaps, the highest output voltage is at 2mm gaps at 750rpm.
Keywords: Magnetic Field / GAP / distribution / air / Coil / 2mm / NdFeB N52

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