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A Stochastic Optimization Method for Energy Storage Sizing Based on an Expected Value Model

Author

Listed:
  • Delong Zhang

    (China Electric Power Research Institute, No.15 Xiaoying East Road, Haidian District, Beijing 100192, China)

  • Jianlin Li

    (China Electric Power Research Institute, No.15 Xiaoying East Road, Haidian District, Beijing 100192, China)

  • Xueqin Liu

    (School of Electronics, Electrical Engineering and Computer Science, Queen’s University Belfast, Belfast BT9 5AH, UK)

  • Jianbo Guo

    (China Electric Power Research Institute, No.15 Xiaoying East Road, Haidian District, Beijing 100192, China)

  • Shaohua Xu

    (China Electric Power Research Institute, No.15 Xiaoying East Road, Haidian District, Beijing 100192, China)

Abstract

Energy storage technologies have been rapidly evolving in recent years. Energy storage plays different roles in various scenarios. For electricity consumers, they are concerned with how to use the energy storage system (ESS) to reduce their costs of electricity or increase their profits. In this paper, a stochastic optimization method for energy storage sizing based on an expected value model for consumers with Photovoltaic Generation (PV) is proposed. Firstly, the Gaussian mixture model clustering method is used to cluster the historical load and PV data and calculate the probability of each cluster. Secondly, the optimal model of total system profit is established. Finally, according to the expected value model, the optimal ESS power and capacity are determined. Two case studies are used to demonstrate the calculation of optimal ESS capacity. The results obtained by the method proposed in this paper are compared with the results produced by the deterministic method. Through the analysis and comparison, the validity and superiority of the method proposed in this paper are verified. The profits obtained by the method proposed in this paper are 0.87% to 127.16% more than the deterministic method.

Suggested Citation

  • Delong Zhang & Jianlin Li & Xueqin Liu & Jianbo Guo & Shaohua Xu, 2019. "A Stochastic Optimization Method for Energy Storage Sizing Based on an Expected Value Model," Energies, MDPI, vol. 12(4), pages 1-14, February.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:4:p:702-:d:207958
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    Citations

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    Cited by:

    1. Daiva Stanelyte & Virginijus Radziukynas, 2019. "Review of Voltage and Reactive Power Control Algorithms in Electrical Distribution Networks," Energies, MDPI, vol. 13(1), pages 1-26, December.
    2. Aragón, Gustavo & Pandian, Vinoth & Krauß, Veronika & Werner-Kytölä, Otilia & Thybo, Gitte & Pautasso, Elisa, 2022. "Feasibility and economical analysis of energy storage systems as enabler of higher renewable energy sources penetration in an existing grid," Energy, Elsevier, vol. 251(C).

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