| 摘要 |
Provided are at least one exhaust turbine turbocharger (6) that has a turbine section (6a) and a compressor section (6b) and is constantly set in an operating mode when an engine unit (2) is in operation; at least one hybrid exhaust turbine turbocharger (7) that has a turbine section (7a), a compressor section (7b), and a generator (29) and is set to operate in parallel with the exhaust turbine turbocharger (6) when the engine unit (2) is in operation; and a controller (C) that receives a signal from a rotation sensor that is attached to the exhaust turbine turbocharger (6) and that detects the rotation speed of the exhaust turbine turbocharger (6), gives a command signal to the generator (29) in accordance with the signal, and controls an amount of electricity to be generated by the generator (29) so that the rotation speed of the hybrid exhaust turbine turbocharger (7) matches the rotation speed of the exhaust turbine turbocharger (6).
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