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Review

AC vs. DC Distribution Efficiency: Are We on the Right Path?

1
Department of Electrical Engineering, University of Engineering and Technology Lahore, FSD Campus, Faisalabad 38000, Pakistan
2
Energy Technology Department, Aalborg University, 9220 Aalborg, Denmark
3
Department of Electrical Engineering, Comsats Institute of Information Technology (CIIT), Lahore 54000, Pakistan
*
Authors to whom correspondence should be addressed.
Academic Editor: Marco Pau
Energies 2021, 14(13), 4039; https://doi.org/10.3390/en14134039
Received: 22 May 2021 / Revised: 26 June 2021 / Accepted: 29 June 2021 / Published: 4 July 2021
(This article belongs to the Collection Featured Papers in Electrical Power and Energy System)
The concept of DC power distribution has gained interest within the research community in the past years, especially due to the rapid prevalence of solar PVs as a tool for distributed generation in DC microgrids. Various efficiency analyses have been presented for the DC distribution paradigm, in comparison to the AC counterpart, considering a variety of scenarios. However, even after a number of such comparative efficiency studies, there seems to be a disparity in the results of research efforts, wherein a definite verdict is still unavailable. Is DC distribution a more efficient choice as compared to the conventional AC system? A final verdict is absent primarily due to conflicting results. In this regard, system modeling and the assumptions made in different studies play a significant role in affecting the results of the study. The current paper is an attempt to critically observe the modeling and assumptions used in the efficiency studies related to the DC distribution system. Several research efforts are analyzed for their approach toward the system upon which they have performed efficiency studies. Subsequently, the paper proposes a model that may alleviate the shortcomings in earlier research efforts and be able to give a definite verdict regarding the comparative efficiency of DC and AC networks for residential power distribution. View Full-Text
Keywords: DC vs. AC; DC distribution networks; energy efficiency in buildings; energy savings; microgrids DC vs. AC; DC distribution networks; energy efficiency in buildings; energy savings; microgrids
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MDPI and ACS Style

Gelani, H.E.; Dastgeer, F.; Nasir, M.; Khan, S.; Guerrero, J.M. AC vs. DC Distribution Efficiency: Are We on the Right Path? Energies 2021, 14, 4039. https://doi.org/10.3390/en14134039

AMA Style

Gelani HE, Dastgeer F, Nasir M, Khan S, Guerrero JM. AC vs. DC Distribution Efficiency: Are We on the Right Path? Energies. 2021; 14(13):4039. https://doi.org/10.3390/en14134039

Chicago/Turabian Style

Gelani, Hasan E., Faizan Dastgeer, Mashood Nasir, Sidra Khan, and Josep M. Guerrero. 2021. "AC vs. DC Distribution Efficiency: Are We on the Right Path?" Energies 14, no. 13: 4039. https://doi.org/10.3390/en14134039

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