The present study concerns the design of a motor that is dedicated to the naval sector, which has both a propulsive and generating function.
The present study concerns the design of a motor that is dedicated to the naval sector, which has both a propulsive and generating function.
The application is very particular as the motor is intended to equip boats that operate in difficult environments.
The electric motor-generator supplies mechanical power to the engine during navigation with the internal combustion engine stopped and generates electricity to the on-board battery system during navigation with the internal combustion engine running. The system consists of the electric motor and its control drive.
The motor is based on permanent magnet brushless technology, which can deliver high torque values to the axis: based on this feature, it is possible to coaxially couple the motor to the drive shaft between the internal combustion engine and the hydrojet.
The clutch installed on the combustion engine allows the electric motor and the hydrojet, which are always coupled together, to be engaged to or disengaged from the combustion engine.
In particular, motion is transmitted from the combustion engine to the hydrojet and the electric motor with the clutch engaged, whereas motion can only be transmitted from the electric motor to the hydrojet with the clutch disengaged. In the former case, the mechanical power output from the combustion engine is taken by activating the battery charger function, to generate electricity.
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