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Article

Variable-Speed Engines on Wind Farm Support Vessels

1
Kongsberg Maritime CM AS, Janaflaten 28, 5179 Godvik, Norway
2
Kongsberg Maritime CM AS, Borgundvegen 340, 6009 Ålesund, Norway
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2020, 8(3), 229; https://doi.org/10.3390/jmse8030229
Received: 17 February 2020 / Revised: 16 March 2020 / Accepted: 20 March 2020 / Published: 24 March 2020
(This article belongs to the Special Issue Modelling and Optimisation of Ship Energy Systems)
We examine the fuel savings of Edda Passat, a newly constructed wind farm support vessel that utilizes a common direct current (DC) grid. This enables its diesel engines to operate at variable speeds by using frequency converter technology. A detailed investigation of these benefits has been performed based on real-life measurements from three months of operations in the Race Bank wind farm off the east coast of England. The calculated fuel savings of Edda Passat achieved via its variable-speed engines are 21% lower compared to using a conventional alternating current (AC) grid with a fixed frequency. This paper will explain the technology, measurements, and results in detail. View Full-Text
Keywords: variable-speed engine; Edda Passat; wind farm support vessel; integrated DC grid; SAVe Cube; fuel reduction; performance verification; operational profile; data logging variable-speed engine; Edda Passat; wind farm support vessel; integrated DC grid; SAVe Cube; fuel reduction; performance verification; operational profile; data logging
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MDPI and ACS Style

Holmefjord, K.E.; Husdal, L.; de Jongh, M.; Torben, S. Variable-Speed Engines on Wind Farm Support Vessels. J. Mar. Sci. Eng. 2020, 8, 229. https://doi.org/10.3390/jmse8030229

AMA Style

Holmefjord KE, Husdal L, de Jongh M, Torben S. Variable-Speed Engines on Wind Farm Support Vessels. Journal of Marine Science and Engineering. 2020; 8(3):229. https://doi.org/10.3390/jmse8030229

Chicago/Turabian Style

Holmefjord, Kristian E.; Husdal, Lars; de Jongh, Martijn; Torben, Sverre. 2020. "Variable-Speed Engines on Wind Farm Support Vessels" J. Mar. Sci. Eng. 8, no. 3: 229. https://doi.org/10.3390/jmse8030229

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