Abstract
The power-to-hydrogen (PtH) units serve as flexible load in power system, which can consume surplus offshore wind power and avoid network congestion. PtH units are modeled with constant efficiency between electrical power input and hydrogen production currently, ignoring the internal physical processes. In this paper, an electrical-thermal coupling model is proposed to consider the temperature effect. A planning model for PtH units is established and transformed into a mixed-integer linear programming problem by piecewise linear approximation. The proposed model is verified by a 10-bus power system with offshore wind farms. The operation results show that PtH units can assist in the integration of wind power and the temperature affects the performances. Besides, sensitivity analysis of PtH unit planning is conducted, including curtailment coefficient, selling price, and unit transfer cost.
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Acknowledgements
This work is supported by the China Southern Power Grid Electricity Planning Special Project (031000QQ00210019) and Research and development plan in key areas of Guangdong Province (2021B0101230004).
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Yu, H., Chen, H., Zuo, Z., Liu, W., Ying, Y., Ai, X. (2023). Optimal Planning of Power-to-Hydrogen Unit Considering Electrical-Thermal Coupling in Power System with Offshore Wind. In: Dong, X., Yang, Q., Ma, W. (eds) The proceedings of the 10th Frontier Academic Forum of Electrical Engineering (FAFEE2022). FAFEE 2022. Lecture Notes in Electrical Engineering, vol 1054. Springer, Singapore. https://doi.org/10.1007/978-981-99-3408-9_48
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DOI: https://doi.org/10.1007/978-981-99-3408-9_48
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