Eur. Phys. J. Appl. Phys.
Volume 41, Number 2, February 2008
|Page(s)||173 - 179|
|Section||Physics of Energy Conversion and Coupled Phenomena|
|Published online||06 February 2008|
Interharmonics injected by current source inverters of a ship's propulsion system
IREENA, 37 Boulevard de l'Université, BP 406, 44602 Saint-Nazaire Cedex, France
2 DGA/GESMA, BP 42, 29240 Brest Armées, France
Corresponding author: email@example.com
Accepted: 23 November 2007
Published online: 6 February 2008
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.
PACS: 07.50.-e – Electrical and electronic instruments and components / 84.70.+p – High-current and high-voltage technology: power systems; power transmission lines and cables / 84.30.Jc – Power electronics; power supply circuits / 84.37.+q – Measurements in electric variables
© EDP Sciences, 2008
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