Abstract
Electric propulsion uses stepless variable speed (CVT), and it’s supplied stable power with generator to achieve the purpose of fuel economy. This paper will contrast fuel consumption of traditional propulsion and electric propulsion in multi-working condition ship. For a 36m tuna longline vessel, in this paper ,fuel consumption and fuel economy of these two propulsion methods are analyzed, and it turned out: the electric propulsion method can save fuel 25.1 tons per year, be equal to saving fuel costs 20.8 million RMB and reduce carbon dioxide emissions by 80 tons per year.
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