Update Artikelilmiah: 17341

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Abstrak (Bhs. Indonesia)

Pada generator sinkron magnet permanen, mengatur parameter – parameter seperti ketebalan magnet dan jarak antar magnet permanen bertujuan untuk menghasilkan fluks magnet yang tinggi. Akan tetapi fluks magnet yang tinggi dapat mengakibatkan temperatur generator menjadi meningkat. Sumber utama meningkatnya temperatur generator tersebut diakibatkan beberapa rugi-rugi pada generator yaitu rugi lilitan (winding losses), rugi inti (core losses), dan rugi putaran (rotational losses). Temperatur generator dapat diturunkan dengan cara menambahkan lubang angin pada rotor generator sebagai sistem pendingin (cooling system). Pada penelitian dilakukan analisis pengaruh penambahan lubang udara pada rotor generator magnet permanen terhadap keluaran fluks magnet generator magnet permanen berupa simulasi menggunakan software FEMM (Finite Element Method Magnetics) 4.2. pada software FEMM dilakukan simulasi desain generator sinkron magnet permanen (GSMP) fluks radial dengan parameter jarak antar magnet, ketebalan magnet dan penambahan lubang udara. Hasil dari penelitian didapat pada parameter jarak antar magnet, keluaran fluks magnet semakin rendah seiring kenaikan besar nilai jarak antar magnet. Sedangkan, pada parameter ketebalan magnet besar perubahan keluaran fluks magnet berbanding lurus dengan besar nilai ketebalan magnet. Selanjutnya, pada percobaan penambahan lubang udara pada rotor tidak mempengaruhi secara signifikan terhadap keluaran fluks magnet GSMP. Grafik uji coba variasi penambahan lubang cenderung naik setiap penambahan lubang.

Abtrak (Bhs. Inggris)

On permanent magnet synchronous generator, setting parameters such as magnet thickness and permanent magnet distances aims to produce high magnetic flux. However, the high magnetic flux can lead rising of generator heat.  Main source from rising of generator heat is caused by some losses in generator such as winding losses, core losses, and rotational losses. The generator heat can be descended by adding air holes at generator rotor as cooling system. In this research, the influence of adding air holes at permanent magnet generator rotor was analyzed against output magnetic flux from permanent magnet generator which it was simulated in FEMM (Finite Element Method Magnetics) 4.2 software. In FEMM software, design of permanent magnet synchronous generator was simulated with parameters such as magnet distances, magnet thickness, and air holes additions. The result in this research obtained from magnet distances, is output from magnetic flux reducing as rising of distances between magnets. Whereas, the result obtained from magnet thickness, is output from magnetic flux increasing as rising of magnet thickness. Furthermore, on experiment of increasing air holes at rotor, there is no significant influence on output from magnetic flux in permanent magnet synchronous generator. The graph from experiment of variation adding holes tends to rise every holes added.

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