The variable speed direct-drive multi-pole radial-flux surface mounted permanent magnet synchronous generator (PMSG) wind turbine generator design
Başlık çevirisi mevcut değil.
- Tez No: 401486
- Danışmanlar: DR. MANSOUREH ZANGIABADI, DR. NICK BAKER
- Tez Türü: Yüksek Lisans
- Konular: Elektrik ve Elektronik Mühendisliği, Electrical and Electronics Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2013
- Dil: İngilizce
- Üniversite: Newcastle University
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 62
Özet
Özet yok.
Özet (Çeviri)
The objective of this project is firstly, designing of a surface mounted rare earth permanent magnet machine for wind turbines, afiter that developing this design by proposing and comparing with the new design from different aspects in order to achieve better machine design. For this purpose, the variable speed direct-drive multi-pole radial-flux surface mounted permanent magnet synchronous generator (PMSG) wind türbine concept was researched and compared for two different winding arrangements as a single layer, fully pitched and a double layer, short pitched from the different aspects in this project. The research process was conducted in three main sections that design section; results, analysis and discussion section; conclusion section. Firstly, the design parameters of two different wind türbine generators were determined in the main design section of the project with the help of the theoretical knowledge in literatüre review part and MagNet Softvvare studies. After fınishing the design processes, the results and analysis of the wind türbine generators were discussed by using MagNet Softvvare in order to compare the performances of these two different wind türbine generator designs. Finally, the project was concluded and reached a goal by emphasizing the reasons, then how the project can be improved by further work was discussed. The key results of the wind türbine generators such as permanent magnet flux linkage, cogging torque, back electro motive force (EMF) voltage, inductance, power, harmonics and efflciency - element method (FEM) -oırMagNet" Software;r It;was detected-that the double layer wind türbine generator has higher magnetic flux density than the single layer wind türbine generator. The peak phase flux linkage of the double layer wind türbine generator is better than the single layer wind türbine generator for the phases of the generators. Moreover, this research demonstrates that the percentage value of the cogging torque was reduced from 7.9% to 5.9% by using the double layer winding arrangement in the new design. Furthermore, in the double layer design the waveform of the back EMF voltage was advanced more sinusoidal output than in the single layer design. In addition, the double layer wind türbine generator design was eliminated the harmonics extremely according to the single layer wind türbine generator design. Besides, the total losses of the new wind türbine generator design were decreased dramatically by using the double layer winding arrangement according to old design. Finally, the effıciency of the wind türbine generator was enhanced from 80.03% to 85.58% by using the double layer winding arrangement in the new design. Consequently, the results of this project show that the double layer wind türbine generator design is more effıcient than the single layer wind türbine generator design.
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