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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
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Os conversores modulares multinível (MMCs) são uma opção emergente e promissora para corrente contínua de média tensão (MVDC) de navios totalmente elétricos. A fim de melhorar a estabilidade do sistema de transmissão MVDC para navios, este artigo apresenta uma nova estratégia de Lyapunov baseada em entradas de controle baseada na linearização de feedback. Primeiramente, um conjunto de equações dinâmicas é proposto com base na separação da dinâmica das correntes da parte CA e das correntes circulantes dos MMCs. As novas entradas de controle podem ser obtidas pela utilização da teoria de linearização de realimentação aplicada às equações dinâmicas. Para completar as partes dinâmicas das novas entradas de controle do ponto de vista da estabilidade do sistema MVDC, a teoria de Lyapunov projeta alguns compensadores para demonstrar os efeitos das novas entradas de controle nos erros das variáveis de estado dos MMCs e sua dinâmica. Além disso, a estratégia de modulação com mudança de fase da portadora é usada devido à aplicação de um pequeno número de módulos conversores ao sistema MVDC para navios. Além disso, com base na estratégia de controle proposta, um modelo de simulação é construído no software MATLAB/SIMULINK, onde os resultados da simulação são utilizados para verificar a validade da estratégia de controle proposta no sistema MVDC baseado em MMC para navios.
Liang FANG
Shanghai Maritime University
Xiaoyan XU
Shanghai Maritime University
Tomasz TARASIUK
Gdynia Maritime University
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Liang FANG, Xiaoyan XU, Tomasz TARASIUK, "Research on Stability of MMC-Based Medium Voltage DC Bus on Ships Based on Lyapunov Method" in IEICE TRANSACTIONS on Electronics,
vol. E105-C, no. 11, pp. 675-683, November 2022, doi: 10.1587/transele.2021ESP0002.
Abstract: Modular multilevel converters (MMCs) are an emerging and promising option for medium voltage direct current (MVDC) of all- electric ships. In order to improve the stability of the MVDC transmission system for ships, this paper presents a new control inputs-based Lyapunov strategy based on feedback linearization. Firstly, a set of dynamics equations is proposed based on separating the dynamics of AC-part currents and MMCs circulating currents. The new control inputs can be obtained by the use of feedback linearization theory applied to the dynamic equations. To complete the dynamic parts of the new control inputs from the viewpoint of MVDC system stability, the Lyapunov theory is designed some compensators to demonstrate the effects of the new control inputs on the MMCs state variable errors and its dynamic. In addition, the carrier phase shifted modulation strategy is used because of applying the few number of converter modules to the MVDC system for ships. Moreover, relying on the proposed control strategy, a simulation model is built in MATLAB/SIMULINK software, where simulation results are utilized to verify the validity of proposed control strategy in the MMC-based MVDC system for ships.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.2021ESP0002/_p
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@ARTICLE{e105-c_11_675,
author={Liang FANG, Xiaoyan XU, Tomasz TARASIUK, },
journal={IEICE TRANSACTIONS on Electronics},
title={Research on Stability of MMC-Based Medium Voltage DC Bus on Ships Based on Lyapunov Method},
year={2022},
volume={E105-C},
number={11},
pages={675-683},
abstract={Modular multilevel converters (MMCs) are an emerging and promising option for medium voltage direct current (MVDC) of all- electric ships. In order to improve the stability of the MVDC transmission system for ships, this paper presents a new control inputs-based Lyapunov strategy based on feedback linearization. Firstly, a set of dynamics equations is proposed based on separating the dynamics of AC-part currents and MMCs circulating currents. The new control inputs can be obtained by the use of feedback linearization theory applied to the dynamic equations. To complete the dynamic parts of the new control inputs from the viewpoint of MVDC system stability, the Lyapunov theory is designed some compensators to demonstrate the effects of the new control inputs on the MMCs state variable errors and its dynamic. In addition, the carrier phase shifted modulation strategy is used because of applying the few number of converter modules to the MVDC system for ships. Moreover, relying on the proposed control strategy, a simulation model is built in MATLAB/SIMULINK software, where simulation results are utilized to verify the validity of proposed control strategy in the MMC-based MVDC system for ships.},
keywords={},
doi={10.1587/transele.2021ESP0002},
ISSN={1745-1353},
month={November},}
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TY - JOUR
TI - Research on Stability of MMC-Based Medium Voltage DC Bus on Ships Based on Lyapunov Method
T2 - IEICE TRANSACTIONS on Electronics
SP - 675
EP - 683
AU - Liang FANG
AU - Xiaoyan XU
AU - Tomasz TARASIUK
PY - 2022
DO - 10.1587/transele.2021ESP0002
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E105-C
IS - 11
JA - IEICE TRANSACTIONS on Electronics
Y1 - November 2022
AB - Modular multilevel converters (MMCs) are an emerging and promising option for medium voltage direct current (MVDC) of all- electric ships. In order to improve the stability of the MVDC transmission system for ships, this paper presents a new control inputs-based Lyapunov strategy based on feedback linearization. Firstly, a set of dynamics equations is proposed based on separating the dynamics of AC-part currents and MMCs circulating currents. The new control inputs can be obtained by the use of feedback linearization theory applied to the dynamic equations. To complete the dynamic parts of the new control inputs from the viewpoint of MVDC system stability, the Lyapunov theory is designed some compensators to demonstrate the effects of the new control inputs on the MMCs state variable errors and its dynamic. In addition, the carrier phase shifted modulation strategy is used because of applying the few number of converter modules to the MVDC system for ships. Moreover, relying on the proposed control strategy, a simulation model is built in MATLAB/SIMULINK software, where simulation results are utilized to verify the validity of proposed control strategy in the MMC-based MVDC system for ships.
ER -