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A new high power density generation system
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion.
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion.
2006 (engelsk)Inngår i: ICAS-Secretariat, 25th Congress of the International Council of the Aeronautical Sciences 2006, 2006, s. 3600-3604Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A trend of increased Electric Power in Aircraft stresses the need of robust, low weight systems with low losses. New hard and soft magnetic materials have made it feasible to work with high speed and high frequency. Applications of new soft magnetic materials and hard magnetic materials like NeFeB magnets have enabled high density power generation systems. A new concept comprising a high speed PM-generator system and a magnetic amplifier control is presented. Magnetic amplifiers are used in the power supply of the Electronic Flight Control System in the Swedish "Gripen" fighter-aircraft. This technology is attractive in More Electric Aircraft (MEA) systems due to the possibility to achieve a compact, robust and a highly reliable system with low losses. Applications of new soft magnetic materials, such as amorphous magnetic alloys, have enabled the use of magnetic amplifier (magamp) technology in the design of competitive electric power converters. This paper presents a studied design on a 20-40 kW generator system including a +/- 270V controlled output, performed by magnetic amplifier technology. This work addresses the power generator, and the power converter. High speed PM-generators are offering high power density. The impact of operating a generation system with higher frequency and an increasing number of poles as well as the advantages with new soft magnetic materials is studied. The iron losses and the copper losses are analyzed for the generator, and the power converter.

sted, utgiver, år, opplag, sider
2006. s. 3600-3604
Emneord [en]
amorphous alloys, magnetic amplifier, PM-generator
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-72161Scopus ID: 2-s2.0-84878437692ISBN: 978-160423227-1 (tryckt)OAI: oai:DiVA.org:kth-72161DiVA, id: diva2:487241
Konferanse
25TH INTERNATIONAL CONGRESS OF THE AERONAUTICAL SCIENCES. Hamburg, Germany. 3 - 8 September 2006
Merknad

QC 20120531

Tilgjengelig fra: 2012-01-31 Laget: 2012-01-31 Sist oppdatert: 2014-11-05bibliografisk kontrollert

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Totalt: 267 treff
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