Energieffektivisering ombord M/S Sydfart : Med hjälp av solceller

Detta är en M1-uppsats från Linnéuniversitetet/Sjöfartshögskolan (SJÖ)

Sammanfattning: The goal of this paper is to find out how solar cells can improve energy efficiency on-board M/S Sydfart. The paper is based on a number of energy measurements on board the M/S Sydfart. The solar surface is calculated by measuring the available space for installing solar panels. Global radiation data is taken from STRÅNG's database, the data is then used to calculate the theoretical power produced by the solar cells. Energy efficiency is analysed in two ways. The first analysis focuses on how much of the daily energy usage that can be covered with solar cells. The second analysis focuses on the change of EEOI attainable with solar cells installed. The electrical energy consumption on-board M/S Sydfart, during the summer, is almost entirely covered with solar cells. The paper however shows some disadvantages. During the winter, the produced electrical energy from solar cells are low and an unreasonably large area of solar panels is required to cover the electricity demand. Two scenarios are evaluated. In scenario one, all the space available for the installation of photovoltaic panels is used. This gives a large energy surplus during summer. In scenario two, only half of the surface is used to install solar panel. This results in a smaller energy surplus without any significant loss of usable energy. Given that M/S Sydfart has limited ability to take advantage of energy surplus, the second scenario is recommended. The result shows that energy efficiency will be improved. Depending on the season, EEOI can be improved between 0.5 % and 12%. There is no demand for improvement in EEOI from IMO. It is up to the shipping companies themselves to set internal targets for improvement.

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