A Security-Constrained Optimal Power Management Algorithm for Shipboard Microgrids with Battery Energy Storage System

This work proposes an optimal power management strategy for shipboard microgrids equipped with diesel generators and a battery energy storage system. The optimization provides both the unit commitment and the optimal power dispatch of all the resources, in order to ensure reliable power supply at mi...

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Bibliographic Details
Published in:arXiv.org 2023-04
Main Authors: D'Agostino, Fabio, Gallo, Marco, Saviozzi, Matteo, Silvestro, Federico
Format: Article
Language:English
Subjects:
Algorithms
Blackout prevention
Constraints
Contingency
Diesel fuels
Diesel generators
Distributed generation
Electrical loads
Energy storage
Environmental impact
Integer programming
Linear programming
Markov chains
Minimum cost
Mixed integer
Optimization
Power dispatch
Power management
Unit commitment
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Summary:This work proposes an optimal power management strategy for shipboard microgrids equipped with diesel generators and a battery energy storage system. The optimization provides both the unit commitment and the optimal power dispatch of all the resources, in order to ensure reliable power supply at minimum cost and with minimum environmental impact. The optimization is performed solving a mixed integer linear programming problem, where the constraints are defined according to the operational limits of the resources when a contingency occurs. The algorithm is tested on a notional all-electric ship where the ship's electrical load is generated through a Markov chain, modeled on real measurement data. The results show that the proposed power management strategy successfully maximizes fuel saving while ensuring blackout prevention capability.
ISSN:2331-8422