Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

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

Version 1 : Received: 22 May 2021 / Approved: 24 May 2021 / Online: 24 May 2021 (15:08:40 CEST)

How to cite: GELANI, H.E.; DASTGEER, F.; Nasir, M.; khan, S.; Guerrero, J.M. AC vs DC Distribution Efficiency: Are we on the Right Path?. Preprints 2021, 2021050578 (doi: 10.20944/preprints202105.0578.v1). GELANI, H.E.; DASTGEER, F.; Nasir, M.; khan, S.; Guerrero, J.M. AC vs DC Distribution Efficiency: Are we on the Right Path?. Preprints 2021, 2021050578 (doi: 10.20944/preprints202105.0578.v1).

Abstract

The concept of DC power distribution has gained interest within the research community in the past years; especially due to 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 will be analyzed for their approach towards the system upon which they have performed efficiency studies. Subsequently, the paper aims to propose 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.

Subject Areas

DC vs. AC; DC distribution networks; energy efficiency in buildings; energy savings; microgrids

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