Unified MANA-based load-flow for multi-frequency hybrid AC/DC multi-microgrids

Date

2023-07-01

Author

Rashidirad, Nasim
Mahseredjian, Jean
Kocar, Ilhan
Karaağaç, Ulaş

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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In islanded hybrid AC/DC multi-microgrids (MMGs), interconnected AC microgrids (ACMGs) can operate with their own frequency and power sharing strategy. Hence, to formulate the load-flow problem of multi-frequency islanded MMGs, conventional single-frequency load-flow approaches are not applicable. To this aim, in this paper a novel unified load-flow framework for AC/DC hybrid MMGs, is proposed. The principles of the proposed method are based on the modified augmented nodal analysis (MANA) formulation, which can be utilized for an arbitrary number of interconnected multiphase MGs. Then, an unbalanced MMG, which includes two ACMGs, one DC MG (DCMG), and two interlink converters (ICs), is used to verify the validity of the proposed MANAbased formulation.

URI

https://hdl.handle.net/11511/114846

Journal

ELECTRIC POWER SYSTEMS RESEARCH

DOI

https://doi.org/10.1016/j.epsr.2023.109313

Collections

Department of Electrical and Electronics Engineering, Article

Citation Formats

N. Rashidirad, J. Mahseredjian, I. Kocar, and U. Karaağaç, “Unified MANA-based load-flow for multi-frequency hybrid AC/DC multi-microgrids,” ELECTRIC POWER SYSTEMS RESEARCH, vol. 220, pp. 0–0, 2023, Accessed: 00, 2025. [Online]. Available: https://hdl.handle.net/11511/114846.