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Comparison of air-cored and iron-cored non-overlap winding radial flux permanent magnet direct drive wind generators
Authors: Johannnes A. Stegmann; Pieter Bouwer; Johannes H. J. Potgieter; Maarten J. Kamper;
Abstract
In this paper a comparative study of the air-cored and iron-cored direct-drive permanent magnet wind generators is done. The comparative study is based on optimum designed air- and iron-cored wind generators on a 15 kW power level. With the generators designed to have the same power and efficiency performances, mainly mass difference is compared, but other aspects such as performance quality, per unit impedance and magnet demagnetisation, amongst other things, are also compared. Although a high amount of permanent magnet material is used in the air-cored generator, this generator is shown to have very attractive features for converter-fed direct-drive wind generator applications.
Related Organizations
- Stellenbosch University South Africa
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).5 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average

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citations
Citations provided by BIP!
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
popularity
Popularity provided by BIP!
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
5
Average
Top 10%
Average