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Distributed Energy Resource Exploitation through Co-Optimization of Power System and Data Centers with Uncertainties during Demand Response

Author

Listed:
  • Yu Weng

    (School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore
    These authors contributed equally to this work.)

  • Yang Liu

    (School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore
    Engie Lab, Singapore 118535, Singapore
    These authors contributed equally to this work.)

  • Rachel Li Ting Lim

    (School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore)

  • Hung D. Nguyen

    (School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore)

Abstract

This paper presents a robust bi-level co-optimization model that promotes the active participation of Internet Data Centers (IDCs) in demand response (DR) programs, thereby enhancing the flexibility of power systems. Our approach involves leveraging virtual power lines to migrate workloads among IDCs, optimizing resource allocations, and benefiting both domains. The model incorporates a Gaussian Process Regression (GPR)-constructed DR price–amount curve, which largely contributes to the simplification of the optimization problem with high accuracy and computational efficiency. It also respects the information barriers between the two domains of power systems and IDCs, and thus safeguards the privacy and flexibility of IDCs. The uncertainty in IDC operations is considered by incorporating the variance in GPR into the demand response curve. By integrating IDCs as DR resources, the framework of this research enhances the flexibility of power systems and the efficiency of cross-domain co-optimization. The model and algorithm are validated using modified IEEE test systems.

Suggested Citation

  • Yu Weng & Yang Liu & Rachel Li Ting Lim & Hung D. Nguyen, 2023. "Distributed Energy Resource Exploitation through Co-Optimization of Power System and Data Centers with Uncertainties during Demand Response," Sustainability, MDPI, vol. 15(14), pages 1-18, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:14:p:10995-:d:1193412
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    References listed on IDEAS

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    1. Yang, Ting & Zhao, Yingjie & Pen, Haibo & Wang, Zhaoxia, 2018. "Data center holistic demand response algorithm to smooth microgrid tie-line power fluctuation," Applied Energy, Elsevier, vol. 231(C), pages 277-287.
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