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Appl. Sci. 2019, 9(3), 582; https://doi.org/10.3390/app9030582

Efficiency Comparison of AC and DC Distribution Networks for Modern Residential Localities

1
Electrical Engineering Department, University of Engineering and Technology Lahore, 38000 Faisalabad Campus, Pakistan
2
Electrical Engineering Department, SBASSE, Lahore University of Management Sciences, 54792 Lahore, Pakistan
3
Department of Energy Technology, Aalborg University, 9100 Aalborg, Denmark
*
Authors to whom correspondence should be addressed.
Received: 15 January 2019 / Revised: 3 February 2019 / Accepted: 5 February 2019 / Published: 11 February 2019
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Abstract

The paper investigates the system efficiency for power distribution in residential localities considering daily load variations. Relevant system modeling is presented. A mathematical model is devised, which is based on the data from the Energy Information Administration (EIA), USA, for analysis. The results reveal that the DC distribution system can present an equivalent or even better efficiency compared to the AC distribution network with an efficiency advantage of 2.3%, averaged over a day. Furthermore, the distribution systems are compared under various capacities of solar PV accounting for the effect of variation in solar irradiation over time. View Full-Text
Keywords: efficiency; DC distribution; DC vs. AC; daily load variation; residential; solar; capacity efficiency; DC distribution; DC vs. AC; daily load variation; residential; solar; capacity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gelani, H.E.; Dastgeer, F.; Siraj, K.; Nasir, M.; Niazi, K.A.K.; Yang, Y. Efficiency Comparison of AC and DC Distribution Networks for Modern Residential Localities. Appl. Sci. 2019, 9, 582.

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