Basic Study of Hybrid-powered Ship - Application to Improve Plant Efficiency of Car Ferry Boat

Abstract

 There are different ways of hybridization of ships. Previously, the authors have reported on the hybridization of a fishing boat and a training ship. In this paper, the authors propose the hybridization of a large car ferry boat plying between the cities of Osaka and Kita Kyushu. This ferry boat lies in port during the day and sails overnight. The hybridization method of collecting heat from the engine exhaust gas during the ship’s voyage through some thermoelectric elements supplies battery power to some electric loads at standby when a ship enters or leaves port and during lay days.