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Capacity configuration method for new energy storage system based on segmented peak shaving

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  • Zesen Li
  • Bingjie Li
  • Guojing Liu

Abstract

To overcome the problems of low accuracy in capacity estimation, low balancing degree and low utilisation rate in traditional methods, a capacity configuration method for new energy storage system based on segmented peak shaving is proposed. The battery's internal resistance and terminal voltage signals of the new energy storage system are taken as inputs, and the capacity estimation is the output. A capacity estimation model based on an improved fuzzy neural network is established. The capacity configuration objective function is constructed by combining segmented peak shaving and economic cost. Hybrid frog-leaping algorithm is used to obtain the optimal parameters for segmented peak shaving and economic cost through population initialisation, position updates and frog swarm sorting to determine the optimal configuration scheme. Experimental results show that the average accuracy of capacity estimation using this method is 97.31%, the maximum balancing degree is 0.98 and the minimum utilisation rate is only 90.9%.

Suggested Citation

  • Zesen Li & Bingjie Li & Guojing Liu, 2025. "Capacity configuration method for new energy storage system based on segmented peak shaving," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 47(4/5), pages 418-435.
    • Handle: RePEc:ids:ijgeni:v:47:y:2025:i:4/5:p:418-435
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