In conventional power system arrangements, the ship’s propellers are driven by a diesel propulsion engine while the supply of electricity for the other shipboard loads is transmitted via the shipboard generators.
In electric propulsion systems, the power used to drive the propellers becomes an electrical load meaning that the generators can take care of all shipboard loads.
As shown in the diagram below, 3 generator-drive engines are referred to as the “ship’s electric power station” supplying power for both propulsion and electrical requirements on board.
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