Abstract
This paper analyzes the dynamic behavior of an actual AC shipboard power system with a significant number of induction motors. As part of this work, a typical overcurrent protection system for this system is designed as well. Dynamic simulation runs including motor starting procedures are conducted. These scenarios consider the application of different motor starting methods and motor starting time sequences. Moreover, dynamic transitions from one operational state of the ship to another are simulated. During these transitions motor loads and static consumption changes are studied. The simulation results highlight the need to intensively focus on motor starting and protection systems when designing and operating a ship.
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