Design and Control of a PM Brushless Hybrid Generator for Wind Power Application

In this paper, a new permanent magnet (PM) brushless hybrid machine is proposed and implemented for wind power generation. The originality is that a small dc field winding and an extra air-bridge are incorporated in the machine so that the air-gap flux can be effectively strengthened or weakened to...

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Veröffentlicht in:	IEEE transactions on magnetics 2006-10, Vol.42 (10), p.3497-3499
Hauptverfasser:	Chau, K.T., Li, Y.B., Jiang, J.Z., Shuangxia Niu
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology Direct current Electric potential Exact sciences and technology Finite element method Finite element method (FEM) Flux flux regulation Hybrid power systems Machine windings Magnetic analysis Magnetic circuits Magnetism Materials science Mathematical models Other topics in materials science permanent magnet machine Permanent magnets Physics Power generation Voltage Wind energy Wind energy generation Wind power generation Wind speed
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Beschreibung
Zusammenfassung:	In this paper, a new permanent magnet (PM) brushless hybrid machine is proposed and implemented for wind power generation. The originality is that a small dc field winding and an extra air-bridge are incorporated in the machine so that the air-gap flux can be effectively strengthened or weakened to online keep the output voltage constant throughout the whole wind speed range. The characteristics of flux linkage and no-load electromotive force (EMF) are analyzed by using the finite element method (FEM), and these results agree well with those from magnetic circuit analysis. Experimental results also verify that the proposed machine can produce a constant output voltage over a wide wind speed range
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2006.879436