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| Analysis of Back Electromotive Force Voltage and The Effect of Geometry Changes in Teeth Stator Quarter PMSG 12S8P Model using Finite Element Method Software |
Yosua Alvin Adi Soetrisno, Bidessa Talfit Ristiyanta, Eko Handoyo, Ajub Ajulian,Bambang Winardi, Denis, Maman Somantri, Agung Nugroho, M. Arfan, Enda Wista Sinuraya, Sumardi,
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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. Indonesia characteristic is unique because there is a gap in the rural area which is not reached by electricity but have a highly land potential to get a wind energy. Windmill power plant system need a synchronous generator. Synchronous generator is a machine to convert mechanical energy to become electrical energy. 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 from this research is that the wider the teeth of the stator, the higher the resulting voltage, starting from a variation of 5 mm resulting in an output DC voltage of 12.2847 volts. The voltage continues to rise when the width of the teeth stator increased to 10 mm at 18.5749 volts. The increase of the teeth's width could expand the magnetic flux path that enters the stator, so there is larger flux that would be captured and converted to voltage.
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