Abstract
In order to solve the problem that the seasonal DC load causing the energy’s idle in other seasons and the inability of the power exchanging from DC to AC side during the abnormal operation of AC/DC Hybrid microgrid (MG), this paper first proposes a mobile energy storage (MES)’s transfer strategy and then establishes a two-layer optimal configuration model of AC/DC hybrid MG considering seasonal DC load and the MES’s transfer strategy, which takes the minimum cost of MG’s life cycle as the outer level objective function and the minimum average daily rental amount of MES as the inner level objective. The results of configuration of WT, ES, inverter and MES are compared, and the charge and discharge power characteristics of ES and MES during normal or abnormal operation are analysed in case study, which verifies that both the MES and MES’s transfer strategy improve the economy of MG considering seasonal DC load.
State Grid corporation Science and Technology Project “Modular Design and Empirical Re-search on Distribution Network of High Reliability Power Supply Area” (5210K017000B).
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Wang, M., Sun, R., Luo, Y., Sun, J., Cheng, L., Wu, Z. (2020). The Optimal Configuration of AC/DC Hybrid Microgrid with Mobile Energy Storage Considering Seasonal DC Load. In: Xue, Y., Zheng, Y., Rahman, S. (eds) Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control. Lecture Notes in Electrical Engineering, vol 585. Springer, Singapore. https://doi.org/10.1007/978-981-13-9783-7_14
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DOI: https://doi.org/10.1007/978-981-13-9783-7_14
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