Hartono, Hartono and Pramono, Lantip and Arfana Usti, Niko and Muharni, Yusraini and Adipura Wicaksana, Cakra Coreless Generator Permanent Magnet Axial Flux 500-Watt Design for Wind Turbine. MDPI. (In Press)

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Abstract

Geographical of Indonesia is located on the equator which has relatively small wind potential. However, this does not rule out the possibility to build wind turbine in Indonesia. Axial flux permanent magnet generator is one of the right choices to build a wind turbine. Axial flux permanent magnet generators have a smaller construction than conventional generators, namely radial. There are aspects that must be considered from the generator used to build a wind turbine, namely mass, cogging effect and output power. This aspect causes the generator to be designed to be optimal in a way without using an iron core (coreless) and using NdFeB magnets. The design of a permanent magnet coreless axial flux generator with a diameter of only 155 mm and a mass of 2,377 Kg is capable of producing an output power of 510.56 Watts at 250 rpm and 1687.27 Watts at 500 rpm. The use of NdFeB magnets causes a high output power compared to PM12 magnets. With the permanent magnet coreless generator, it is hoped that it will be able to generate the use of wind turbine in Indonesia. Keywords— Electric Energy, Axial Flux Generator, Coreless Generator, Cogging Effect, Mass

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