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A Structure Preserving Power System Frequency Model for Dynamic Positioning Vessels

[+] Author Affiliations
Andreas R. Dahl, Roger Skjetne, Tor A. Johansen

Norwegian University of Science and Technology, Trondheim, Norway

Paper No. OMAE2017-61901, pp. V001T01A077; 10 pages
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 1: Offshore Technology
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5763-2
  • Copyright © 2017 by ASME


This paper adapts a structure preserving model to on-board power plants. The model, originally developed for land-based power systems, is expanded for the larger frequency range allowable to on-board plants. State-space equations are developed from first principles and transformed to a form suitable for analysis and computer implementation. Recommendations for parameter selection are given. An example plant scenario is simulated both in the proposed framework and in a higher fidelity model for comparison.

Copyright © 2017 by ASME



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