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| Analysis of the Effect of Magnet Width Variations on PMSG 12S4P Back EMF Output
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Bambang Winardi, Ajub Ajulian Z.M, Denis
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Abstract:
There is a need of creating new energy resource which is clean and environmental friendly, because electricity now a day still consume a lot of consumable fossil resource. Wind turbine could become the option of alternative renewable energy resource. Wind power plant system need a synchronous generator.. Mechanical energy could be formed using wind, water, gas and another fluid material resource. Good design of generator make an energy conversion become optimal. Generator performance could be simulated and planned using a special software. FEM is a software that very useful to simulate generator model, material, currents, voltage, and efficiency. This research has been done on PT. Lentera Bumi Nusantara which is using Permanent Magnet Synchronous Generator. The steps in designing a generator start from knowing the shape of the design and the materials to be used. The conclusion of this study is that the wider the rotor magnet, the higher the voltage generated, starting from a variation of 28 mm so as to produce an output DC voltage of 15.41 volts. The voltage continues to rise when the stator tooth width is increased to 56 mm at a voltage of 30.18 volts. Increasing the width of the magnet can increase the magnetic flux that enters the stator, so that there is a larger flux that will be captured and converted into voltage.
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