Comparison of Direct-Drive and Geared Generator Concepts for Wind Turbines

Polinder, H.; van der Pijl, F.F.A.; de Vilder, G-J.; Tavner, P.J.

doi:10.1109/tec.2006.875476

Comparison of Direct-Drive and Geared Generator Concepts for Wind Turbines

Polinder, H.; van der Pijl, F.F.A.; de Vilder, G-J.; Tavner, P.J.

Authors

H. Polinder

F.F.A. van der Pijl

G-J. de Vilder

P.J. Tavner

Abstract

The objective of this paper is to compare five different generator systems for wind turbines, namely the doubly-fed induction generator with three-stage gearbox (DFIG3G), the direct-drive synchronous generator with electrical excitation (DDSG), the direct-drive permanent-megnet generator (DDPMG), the permanent-magnet generator with single stage gearbox (PMG1G), and the doubly-fed induction generator with single-stage gearbox (DFIG1G). The comparison is based on cost and annual energy yield for a given wind climate. The DFIG3G is a cheap solution using standard components. The DFIG1G seems the most attractive in terms of energy yield divided by cost. The DDPMG has the highest energy yield, but although it is cheaper than the DDSG, it is more expensive than the generator systems with gearbox.

Citation

Polinder, H., van der Pijl, F., de Vilder, G., & Tavner, P. (2006). Comparison of Direct-Drive and Geared Generator Concepts for Wind Turbines. IEEE Transactions on Energy Conversion, 21(3), 725-733. https://doi.org/10.1109/tec.2006.875476

Journal Article Type	Article
Publication Date	Aug 1, 2006
Deposit Date	Apr 12, 2010
Publicly Available Date	Apr 13, 2010
Journal	IEEE Transactions on Energy Conversion
Print ISSN	0885-8969
Publisher	Institute of Electrical and Electronics Engineers
Peer Reviewed	Peer Reviewed
Volume	21
Issue	3
Pages	725-733
DOI	https://doi.org/10.1109/tec.2006.875476
Keywords	Direct-drive, Doubly fed induction generator (DFIG), Permanent-magnet generator, Single-stage gearbox, Synchronous generator, Wind turbine.

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