| 2/2002 - 5 |
Resonant Behaviour of Static VAR Compensators at Network Frequency VariationA. M. MIRI, C. SIHLER |
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Author keywords
transient analysis, transformer inrush currents, magnetic equivalent circuit, resonances, reactive power compensation, isolated network
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About this article
Date of Publication: 2002-04-02
Volume 2, Issue 2, Year 2002, On page(s): 25 - 30
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: Not assigned
Abstract
ASDEX Upgrade (AUG), an experimental tokamak for nuclear fusion research, requires an electrical power up to a few hundred MVA for a time period of 10 - 20 s. The power and energy is provided by isolated networks based on flywheel generators. About twenty power transformers must be energised on a daily basis to get the pulsed power supply operational for plasma experiments. Nuisance interactions of transformer inrush currents with the protection system of the synchronous machines and capacitor banks used for reactive power compensation must be avoided. To investigate the effects of inrush transients in present and future configurations, measurements were performed and a simulation model based on an equivalent magnetic circuit representation of the transformer was derived. The paper describes the model, results of simulation and measurement and shows which measures were taken to keep transients in the isolated network at an acceptable level. |
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
