The Modular Marine Electrical Power Distribution Application, "AEL-MEPD-01", has been designed by EDIBON for the training at both the theoretical and practical levels in the field of power generation and distribution in ship electrical power systems. This application covers key topics such as the configuration of the switchboard electrical distribution system, shipboard power generation, propulsion system control, uninterruptible power systems, essential and non-essential circuits, and synchronization maneuvers between generators—either within an isolated grid or connected to shore power.
The power generation system includes two motor-generator groups, each equipped with its own control, measurement, and protection module to guard against different types of faults. These generators can regulate voltage and frequency or power output, depending on the selected operating mode. The system can function in grid-following or grid-forming mode, which is automatically determined and adjusted based on the state of all circuit breakers.
The switchboard electrical distribution system consists of multiple circuit breakers arranged in a ring configuration, featuring two busbars and three interconnecting branches. To prevent accidental connection of voltage sources with different phase angles, the circuit breakers are equipped with a locking function that activates when voltage is present at their terminals. Additionally, four coupling switches ensure proper synchronization of voltage sources by verifying phase angles before connection.
The propulsion system, connected to the main busbar, comprises two propellers controlled by frequency drives. Through the SCADA system, users can simulate the physical variables involved in marine propulsion for a medium-sized ship. This includes real-time observation of the vessel’s speed, calculation of advance coefficients based on the Wageningen series, and analysis of thrust, torque, and total drag.
Another crucial aspect covered by this application is blackout recovery. In the event of a failure in both power generators, the uninterruptible power system (UPS) integrated into the application allows users to study energy recovery procedures and the continuity of essential ship loads.
The "AEL-MEPD-01" includes a SCADA Control and Data Acquisition System to control and monitor all the electrical power system. It represents faithfully a ship power system with the Navigation Bridge, shipboard generation, switch board, propulsion and loads control panels. To simulate a real consumption of a ship, a power curve can be drawn, modifying in real time the active power consumption.
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