Comparative Efficiency and Sensitivity Analysis of AC and DC Power Distribution Paradigms for Residential Localities

Hasan Erteza Gelani, Faizan Dastgeer, Sayyad Ahmad Ali Shah, Faisal Saeed, Muhammad Hassan Yousuf, Hafiz Muhammad Waqas Afzal, Abdullah Bilal, Md. Shahariar Chowdhury, Kuaanan Techato, Sittiporn Channumsin and Nasim Ullah
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Hasan Erteza Gelani: Department of Electrical Engineering, Faisalabad Campus, University of Engineering and Technology Lahore, Faisalabad 38000, Punjab, Pakistan
Faizan Dastgeer: Department of Electrical Engineering, Faisalabad Campus, University of Engineering and Technology Lahore, Faisalabad 38000, Punjab, Pakistan
Sayyad Ahmad Ali Shah: Department of Electrical Engineering, Faisalabad Campus, University of Engineering and Technology Lahore, Faisalabad 38000, Punjab, Pakistan
Faisal Saeed: Department of Electrical Engineering, SBA School of Science and Engineering, Lahore University of Management Science (LUMS), Lahore 54792, Punjab, Pakistan
Muhammad Hassan Yousuf: Department of Electrical Engineering, University of Engineering and Technology Lahore, Lahore 54890, Punjab, Pakistan
Hafiz Muhammad Waqas Afzal: Department of Electrical Engineering, Faisalabad Campus, University of Engineering and Technology Lahore, Faisalabad 38000, Punjab, Pakistan
Abdullah Bilal: Department of Electrical Engineering, Faisalabad Campus, University of Engineering and Technology Lahore, Faisalabad 38000, Punjab, Pakistan
Md. Shahariar Chowdhury: Faculty of Environmental Management, Prince of Songkla University, Songkhla 90110, Thailand
Kuaanan Techato: Faculty of Environmental Management, Prince of Songkla University, Songkhla 90110, Thailand
Sittiporn Channumsin: Geo-Informatics and Space Technology Development Agency (GISTDA), Chonburi 20230, Thailand
Nasim Ullah: Department of Electrical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia

Sustainability, 2022, vol. 14, issue 13, 1-52

Abstract: The new millennium has witnessed a pervasive shift of trend from AC to DC in the residential load sector. The shift is predominantly due to independent residential solar PV systems at rooftops and escalating electronic loads with better energy saving potential integrated with diminishing prices as well as commercial availability of DC-based appliances. Comprehensive sensitivity analysis considering the real load profile is missing in the present body of knowledge. In order to fill that gap, this paper is an attempt to include a comprehensive sensitivity analysis of the DC distribution system and its simulation-based comparison with its AC counterpart, considering the real load profile. The paper uses the Monte Carlo technique and probabilistic approach to add diversity in residential loads consumption to obtain an instantaneous load profile. Various possible scenarios such as variation of standard deviation from 5% to 20% of mean load value, PV capacity variation from 1000 W to 9000 W, and variation in power electronic converter (PEC) efficiencies are incorporated to make the system realistic as much as possible maintaining a fair comparison between both systems. The paper concludes with the baseline efficiency advantage of 2% to 3% during the day for the case of the DC distribution system as compared to the AC distribution system.

Keywords: sensitivity analysis; DC distribution networks; DC vs. AC; efficiency; load modeling; renewable energy sources; Monte Carlo (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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