Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2025 , Vol. 59 >Issue 10: 1498 - 1509

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2023.572

New Type Power System and the Integrated Energy

Power Allocation Strategy for Wind Power Hybrid Storage Systems Based on Variational Modal Decomposition-Multifuzzy Control

  • LI Jianlin ,
  • SUN Haoyuan ,
  • ZHAO Wending ,
  • LIANG Ce ,
  • LIANG Zhonghao ,
  • YUAN Xiaodong
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  • 1 National User-Side Energy Storage Innovation Research and Development Center, North ChinaUniversity of Technology, Beijing 100144, China
    2 Electric Power Research Institute ofState Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103, China

Received date: 2023-11-10

  Revised date: 2023-12-10

  Accepted date: 2023-12-26

  Online published: 2024-02-27

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Abstract

A power allocation strategy based on variational modal decomposition-multifuzzy control for wind power hybrid storage system is proposed to address the poor grid-connected power quality caused by the uncertainty of wind power output and the poor power allocation of hybrid storage systems. First, Latin hypercubic sampling and Euclidean distance method are used to generate a typical scenario of wind power considering the uncertainty of wind power output. Then, the variational modal decomposition optimized by the positive cosine algorithm is used for the initial allocation of wind power to obtain the grid-connected power of wind power which is lower than the upper limit of the grid-connected fluctuation and the levelling power of the hybrid energy storage system. Finally, the load state of the hybrid energy storage system is partitioned, and a power redistribution strategy under multi-fuzzy control is proposed to achieve the correction of the power of the hybrid energy storage system by considering the system load state and the characteristics of the hybrid energy storage. Simulation results show that the proposed strategy can suppress wind power fluctuations and obtain stable grid-connected power. Additionly, it can effectively solve the overcharging and over-discharging problems of the hybrid energy storage system.

Key words： power allocation; hybrid energy storage systems; Latin hypercubic sampling; variational modal decomposition; multi-fuzzy control strategies

Cite this article

LI Jianlin , SUN Haoyuan , ZHAO Wending , LIANG Ce , LIANG Zhonghao , YUAN Xiaodong . Power Allocation Strategy for Wind Power Hybrid Storage Systems Based on Variational Modal Decomposition-Multifuzzy Control[J]. Journal of Shanghai Jiaotong University, 2025 , 59(10) : 1498 -1509 . DOI: 10.16183/j.cnki.jsjtu.2023.572

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