Online probabilistic energy flow for hydrogen-power-heat system based on multi-parametric programming

Yijia Zhou, Hongyi Peng and Mingyu Yan

Applied Energy, 2024, vol. 372, issue C, No S0306261924012194

Abstract: The introduction of renewable energy introduces operational challenges for the modern multi-energy system. To accommodate the uncertainty, this paper proposes an online probabilistic energy flow for the hydrogen-power-heat system. First, a hydrogen-power-heat system model is established to depict the interdependency of multiple energy, in which hydrogen fuel cells interconnect hydrogen, power, and heat systems by converting the hydrogen into power and heat. The probabilistic energy flow is further built considering the uncertain wind power. An efficient algorithm based on multi-parametric programming (MPP) is proposed to enhance the computational performance of probabilistic multi-energy flow for online applications. The parameter region of the probabilistic multi-energy flow in MPP model is divided into multiple critical regions (CR). Each CR reveals a unique mapping relationship from uncertain wind power to system optimal solutions. Probabilistic energy flow could be quickly calculated based on mapping relationship rather than solving optimization problem. Therefore, the proposed method could be applied in online energy flow calculation. Numerical results tested on a 6–6-8 system and an improved 40–118 − 13 system validate the accuracy and efficiency of the proposed method in probabilistic energy flow calculation.

Keywords: Multi-parametric programming; Hydrogen-power-heat system; Probabilistic energy flow; Critical region (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123836

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