Power fluctuation suppression control strategy for ship electric propulsion system based on hybrid energy storage

YANG Xiang-guo; YU Tong; YANG Cheng; WEI Si-qi; DU Shu; CHEN Hong-jian; WU Shu-li

doi:10.16411/j.cnki.issn1006-7736.2018.03.010

Journal of Dalian Maritime University >

2018 , Vol. 44 >Issue 3: 63 - 70

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2018.03.010

Power fluctuation suppression control strategy for ship electric propulsion system based on hybrid energy storage

YANG Xiang-guo ,
YU Tong ,
YANG Cheng ,
WEI Si-qi ,
DU Shu ,
CHEN Hong-jian ,
WU Shu-li

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（1. School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063,China; 2. Nuclear Power Design and Research Sub-institute, Chengdu 610213,China; 3. The 29th Research Institute of CETC , Chengdu 610036,China)

Received date: 2017-11-30

Revised date: 2018-02-12

Online published: 2024-06-26

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Abstract

In order to resolve the economic issue of electric ship propulsion system under severe load power fluctuations, a coordinating control strategy to stabilize the power fluctuation of ship electric propulsion system was proposed by using hybrid energy storage system. The adaptive coefficients adjustment algorithm based on low-pass filters was designed to effectively eliminate the over charge/discharge issues of energy storage module during power fluctuations. To verify the effectiveness and feasibility of the proposed method, taking the actual trailing suction hopper dredger as an example, the simulation analysis of the proposed control strategy was carried out by using MATLAB. Results indicate that the proposed control strategy can effectively stabilize the power fluctuation of trailing suction hopper dredgers. Additionally, it is also possible to control the charging and discharging process of energy storage system in a feasible and fast way resulting in the good state of charge of the hybrid energy storage module.

Key words： ship electric propulsion; hybrid energy storage; power fluctuation reduction; state of charge; low-pass filtering algorithm

Cite this article

YANG Xiang-guo , YU Tong , YANG Cheng , WEI Si-qi , DU Shu , CHEN Hong-jian , WU Shu-li . Power fluctuation suppression control strategy for ship electric propulsion system based on hybrid energy storage[J]. Journal of Dalian Maritime University, 2018 , 44(3) : 63 -70 . DOI: 10.16411/j.cnki.issn1006-7736.2018.03.010

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