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Interharmonics injected by current source inverters of a ship's propulsion system

Published online by Cambridge University Press:  06 February 2008

S. Bourguet ,
P. Guerin  and
C. Rannou
S. Bourguet*
Affiliation:
IREENA, 37 Boulevard de l'Université, BP 406, 44602 Saint-Nazaire Cedex, France
P. Guerin
Affiliation:
IREENA, 37 Boulevard de l'Université, BP 406, 44602 Saint-Nazaire Cedex, France
C. Rannou
Affiliation:
DGA/GESMA, BP 42, 29240 Brest Armées, France
*
[email protected]
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Abstract

Current source inverters (CSI) associated to rectifiers are used in variable speed drives for the propulsion system onboard ships. The complete structure will generate frequency perturbations in the entire supply system which could become undesirable. In a first part, the modulation theory is applied to the ideal structure of a converter. The designs of the propulsion transformers and of the propulsion motor are considered in order to calculate the injected currents on both sides of the converters. Finally, those results are confronted to experimental ones obtained onboard an electric ship. Those results show a complete validation of the theoretical predictions.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 41 , Issue 2 , February 2008 , pp. 173 - 179
Copyright
© EDP Sciences, 2008

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