Journal
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
Volume 56, Issue 2, Pages 1136-1145Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2019.2958293
Keywords
State of charge; Marine vehicles; Generators; Batteries; Supercapacitors; Frequency division; hybrid storage; intelligent control; pulsed loads
Funding
- U.S. Office of Naval Research
- Graduate School Dissertation Year Fellowship from Florida International University
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Due to the presence of onboard pulsed loads and other electric loads, medium-voltage direct current system (MVdc), which contains hybrid energy storage, is attracting a lot of interest in ship power system studies. To ensure proper operation of such a system, suitable management is required to maintain the voltage of the MVdc bus and confirm the load-generation balance. Consequently, this article first shows the effect of uncontrolled insertion of pulsed loads on the ship performance. Then, a proposed intelligent coordination algorithm is used to mitigate the effects of pulsed loads and ensure proper power sharing among the storage units, having different available energy. The coordination algorithm differentiates between the transient and steady state needs and takes the proper decision of insertion/removal of the appropriate storage unit and reference values. The algorithm is simulated through MATLAB/Simulink, and then the processor in the loop testing is used to validate the proposed algorithm.
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