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Efficiency Comparison of Alternating Current (AC) and Direct Current (DC) Distribution System at Residential Level with Load Characterization and Daily Load Variation

Author(s)
Hasan Erteza Gelani Department of Electrical Engineering, University of Engineering and Technology Lahore,Faisalabad Campus, Faisalabad,Pakistan
Mashood Nasir Department of Electrical Engineering, Lahore University of Management Sciences, Syed Babar Ali School of Science and Engineering, opposite Sector U, Defence Housing Authority,Lahore,Pakistan
Faizan Dastgeer Department of Electrical Engineering, University of Engineering and Technology Lahore,Faisalabad Campus, Faisalabad,Pakistan
Haseeb Hussain Department of Electrical Engineering, University of Engineering and Technology Lahore,Faisalabad Campus, Faisalabad,Pakistan
Abstract
The war of currents between alternating current (AC) and direct current (DC) is decades old. The DC has proved itself in the fields of generation and transmission; now it is making its way at distribution level in quite an efficient fashion. The DC seems to be challenging the AC, as a result of efficient DC to DC as well as to and from AC conversion with the development of efficient power electronic converters. This paper presents efficiency comparison of the two paradigms for a residential colony. The model is separately simulated for AC and DC supply from the grid keeping the infrastructure for both schemes unchanged. The residential loads are divided in to three categories depending upon their supply requirements. The loads are further classified according to their time of usage during the whole day. The efficiency comparison between AC and DC system is established on the basis of daily load variation.
Publication Details
Page(s) 111-118
DOI DOI not available
Published Journal: Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, Volume: 54, Issue: 2, Year: 2017

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Keywords
efficiency, Residential, load categories, load variation, DC, AC
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