Abstract
In this article, the concept of properly selecting the number and rated power of all the generators of a ship is discussed, analyzed and investigated. The novelty introduced is that this selection must start from efficiently covering the power demands in port, the most sensitive area for greener shipping. Following this novel concept in sizing the electric power plant of a significant number of ship case studies, it is shown that the resultant electric power plant can be less heavy, less spacey than if the conventional selection methods are used. Furthermore, the discussion is enriched with the beneficial impact of the presented methodology upon the overall ship efficiency in terms of fuel consumption and pollutant emissions.
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