4.5 Article

Energy management strategy for a short-route hybrid cruise ship: an IGDT-based approach

Journal

IET RENEWABLE POWER GENERATION
Volume 14, Issue 10, Pages 1755-1763

Publisher

INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-rpg.2019.0882

Keywords

decision theory; energy management systems; marine power systems; heat pumps; risk management; energy storage; power markets; global warming; ships; power generation economics; boilers; fuel economy; power generation scheduling; multiple energy system; energy management strategy; short-route hybrid cruise ship; IGDT-based approach; emission tiers; global warming; fossil fuels; energy management problem; marine power system; solar system; electrical boiler system; electrical heat pump; fuel consumption; pollution problems; risk-based strategy; electrical demands; thermal demands; cruise services; information gap decision theory-based methodology; uncertain HCS load

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The increments of the emission tiers and global warming, as well as the reduction of fossil fuels, have led to a change in the power system of vehicles. Even in maritime transportation, there are more restrictions due to environmental regulations of some ports. In this study, the energy management problem of a marine power system is investigated, such a system includes a diesel generator, solar system, energy storage system (ESS), electrical boiler system, and electrical heat pump. The proposed risk-based strategy for scheduling multiple energy systems of a hybrid cruise ship (HCS) is able to provide the electrical and thermal demands related to the cruise services in a reliable and optimal way. The examined HCS travels daily in the Baltic Sea between Stockholm in Swedish mainland and Mariehamn on the angstrom land islands and carries hundreds of passengers in various tour programmes, representing an uncertain shipboard loading profile. Therefore, an information gap decision theory-based (IGDT-based) methodology is applied to model the uncertain HCS load. Furthermore, the proposed multiple energy system can adopt various strategies namely risk-averse and risk-seeker to face different consumption patterns. Finally, the numerical results obtained from actual test case validate the applicability and efficiency of the proposed approach.

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