Hybrid propulsion system for ships

Details Hybrid propulsion system for ships Hybrid propulsion system for ships

B - Operations, Transporting

63

H

B63H 21/20 (2006.01)

Patent

CA 2431354

The invention relates to a hybrid propulsion system that comprises a main diesel engine (17) for driving the marine turbine (8) and an electric motor (15). The electric motor (15) has a nominal output that constitutes at least 20 % of the nominal output of the main diesel engine (17). The electric motor (15) remains continuously switched on and maintains, together with a variable- pitch propeller (7), the main diesel engine (17) at a favorable operating point. The combination of the main diesel engine (17) and the electric motor (17) also allows for a more economical design or operation of the propulsion system.

La présente invention concerne un système de propulsion hybride qui est constitué d'un moteur diesel principal (17), permettant d'entraîner un arbre d'hélice (8), ainsi qu'un moteur électrique (15). Ledit moteur électrique (15) présente une puissance nominale qui constitue au moins 20 % de la puissance nominale du moteur diesel principal (17). Ce moteur électrique (15) est en permanence en service et permet, connecté à une hélice à pas variable (7), de maintenir le moteur diesel principal (17) à un point de fonctionnement favorable. L'association du moteur diesel principal (17) et du moteur électrique permet une construction et une exploitation plus économique du système de propulsion.

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