9783642448645 - converter applications and their influence on large electrical machines (lecture notes in electrical engineering, band 232) von drubel, oliver (3 Ergebnisse)
Sprache: Englisch
Verlag: Springer, 2015
Serie: Buch 76 von 548 - Lecture Notes in Electrical Engineering
- Softcover
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Zustand: New. In.
Weitere BilderSprache: Englisch
Verlag: Springer, 2015
Serie: Buch 76 von 548 - Lecture Notes in Electrical Engineering
- Softcover
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Taschenbuch. Zustand: Neu. Converter Applications and their Influence on Large Electrical Machines | Oliver Drubel | Taschenbuch | Lecture Notes in Electrical Engineering | x | Englisch | 2015 | Springer | EAN 9783642448645 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[do…t]hartmann[at]springer[dot]com | Anbieter: preigu.
Sprache: Englisch
Verlag: Springer Berlin Heidelberg, 2015
Serie: Buch 76 von 548 - Lecture Notes in Electrical Engineering
- Softcover
Anbieter: AHA-BUCH GmbH, Einbeck, DeutschlandAHA-BUCH GmbH
Verkäufer/-in kontaktierenVerkäufer/-in mit 5 SternenZustand: Neu
EUR 106,99
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Converter driven applications are applied in more and more processes. Almost any installed wind-farm, ship drives, steel mills, several boiler feed water pumps, extruder and many other applications operate much more efficient and economic in case of…variable speed solutions. The boundary conditions for a motor or generator will change, if it is supplied by a converter. An electrical machine, which is operated by a converter, can no longer be regarded as an independent component, but is embedded in a system consisting of converter and machine.This book gives an overview of existing converter designs for large electrical machines. Methods for the appropriate calculation of machine phenomena, which are implied by converters are derived in the power range above 500kVA. It is shown how due to the converter inherent higher voltage harmonics and pulse frequencies special phenomena are caused inside the machine which can be the reason for malfunction. It is demonstrated that additional losses create additional temperature increases or voltage peaks. The book describes how torque ripple can occur, which endanger the mechanical shaft system and last but not least shaft voltages are induced, which are sometimes sufficient in amplitude to damage bearings or to disturb sensors of the protection arrangements.
