Decentralized Control Algorithm for the Hybrid Energy Storage of Shipboard Power System

This paper proposes a decentralized control algorithm for the medium-voltage direct current (MVDC) shipboard storage system to enhance the onboard survivability. The algorithm takes decisions based on local measurements, which makes it robust against cyber-attacks and able to provide a fast response...

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Bibliographic Details
Published in:IEEE journal of emerging and selected topics in power electronics 2020-03, Vol.8 (1), p.720-731
Main Authors: Faddel, Samy, Saad, Ahmed A., Youssef, Tarek, Mohammed, Osama
Format: Article
Language:English
Subjects:
Adaptive control
Algorithms
Control algorithms
Control theory
Cybersecurity
Decentralized
Decentralized control
Direct current
Electric potential
Energy management
Energy storage
Field programmable gate arrays
Generators
hybrid energy storage
Hybrid systems
Marine vehicles
Mathematical morphology
medium-voltage direct current (MVDC)
Power systems
Propulsion
pulsed loads
Robustness (mathematics)
shipboard
Simulation
Storage batteries
Storage systems
Storage units
Supercapacitors
Survivability
Voltage
Voltage control
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Summary:This paper proposes a decentralized control algorithm for the medium-voltage direct current (MVDC) shipboard storage system to enhance the onboard survivability. The algorithm takes decisions based on local measurements, which makes it robust against cyber-attacks and able to provide a fast response. The voltage profile of the MVDC bus has sufficient information about the system status, which is utilized for managing the hybrid energy storage systems. Insertion/removal of the storage devices, such as batteries and supercapacitors, is made according to the mathematical morphology-based voltage processing and state-machine logic algorithms. To ensure proper power sharing, an adaptive droop control is used, taking into account consideration the state-of-charge of the storage units. Field-programmable gate array in the loop validation results confirms the ability of the proposed controller to maintain the MVDC bus voltage and the adequate operation of the storage entities simultaneously.
ISSN:2168-6777
2168-6785
DOI:10.1109/JESTPE.2019.2899287