LAPSE:2023.25642
Published Article
LAPSE:2023.25642
Lyapunov-Function-Based Feedback Linearization Control Strategy of Modular Multilevel Converter−Bidirectional DC−DC Converter for Vessel Integrated Power Systems
Peng Chen, Jilong Liu, Fei Xiao, Zhichao Zhu, Zhaojie Huang
March 29, 2023
The modular multilevel converter−bidirectional DC−DC converter (MMC−BDC) has been proposed to be utilized in the vessel integrated power system to interconnect the medium voltage bus and the distributed energy storage elements. In the shipboard applications, MMC−BDC faces unbalanced sub-module power operation because of the inconsistent state-of-charge (SOC) of the energy storage elements. Researchers have investigated into the unbalanced operation principle of MMC−BDC and proposed some unbalanced operation control strategies, but these traditional strategies do not perform well in both aspects of operating range and efficiency. Therefore, this paper proposes a novel Lyapunov-function-based feedback linearization control strategy for the independent sub-module voltage control of MMC−BDC, which not only shows wide unbalanced operation range and high efficiency, but also realizes the decoupling and symmetrical control of the sub-module capacitor voltages.
Keywords
DC distribution, Energy Storage, feedback linearization, integrated power system, Lyapunov function
Suggested Citation
Chen P, Liu J, Xiao F, Zhu Z, Huang Z. Lyapunov-Function-Based Feedback Linearization Control Strategy of Modular Multilevel Converter−Bidirectional DC−DC Converter for Vessel Integrated Power Systems. (2023). LAPSE:2023.25642
Author Affiliations
Chen P: School of Electrical Engineering, Southeast University, Nanjing 214135, China [ORCID]
Liu J: National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan 430033, China
Xiao F: National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan 430033, China
Zhu Z: National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan 430033, China
Huang Z: National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan 430033, China
Journal Name
Energies
Volume
14
Issue
15
First Page
4691
Year
2021
Publication Date
2021-08-02
Published Version
ISSN
1996-1073
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PII: en14154691, Publication Type: Journal Article
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doi:10.3390/en14154691
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