To provide an electric propulsion ship capable of realizing the consistent navigation thereof, improving the fuel economy, and reducing the fuel cost.
An electric propulsion ship 1 includes a dual fuel type engine 2 capable of selectively using gas fuel Fg and liquid fuel Fl, a selective reduction type catalyst 7 installed in an exhaust passage 16 of the engine 2, and secondary batteries 4 which are installed between a generator 3, a motor 5 for propulsion, and inboard apparatuses 6, and performs the first control that the engine 2 with the gas fuel Fg being supplied thereto transmits the power to the generator 3, the selective reduction type catalyst 7 purifies the exhaust gas G from the engine 2, and the generator 3 supplies the electric power to the motor 5 for propulsion, and the inboard apparatuses 6 via the secondary batteries 4, and the second control that the engine 2 with the liquid fuel Fl being supplied thereto transmits the power to the generator 3, and the generator 3 supplies the electric power to the motor 5 for propulsion and the inboard apparatuses 6 via the secondary batteries 4.
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Takayoshi in the daytime
Shinichi Ogawa
Takashi Noguchi
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita
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