Short-circuit Calculations in Hybrid AC/DC Microgrids

Favuzza, Salvatore; Mitolo, Massimo; Musca, Rossano; Zizzo, Gaetano

doi:10.1109/icps54075.2022.9773901

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2023

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“…This paper is an extended version of [29], presenting a general methodology for short-circuit calculations in hybrid AC/DC microgrids. The proposed approach shows great accuracy and proves to be easy to apply in all cases where there is no specialized software for the calculation of short-circuit currents in hybrid DC microgrid.…”

Section: Discussionmentioning

confidence: 99%

A General Methodology for Short-circuit Calculations in Hybrid AC/DC Microgrids

Favuzza

Mitolo²,

Moradi

et al. 2023

IEEE Trans. on Ind. Applicat.

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In this paper, the issues related to short-circuit calculations in hybrid AC/DC microgrids are discussed. The reference standard for short-current calculations in DC systems is the IEC 61660, which provides a mathematical formulation of the problem. The standard only includes radial DC grids and does not consider a more complex system, such as meshed DC systems or a hybrid AC/DC microgrid. This paper proposes a generalized approach that can be used independently of the characteristics of the hybrid system. The proposed approach is applied to four test microgrids with different distributed sources and number of nodes and the results are compared with those obtained simulating the same grids with Neplan 360 ® .

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Section: Discussionmentioning

confidence: 99%