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A Model Based Study on the Functionality of DC Microgrids for the Sustainable Rural Electrification in Bangladesh

Khadiza Talukder, Zarin Anjum Ananna, Sadia Islam, Mahmudul Hasan, Nahid-Ur- Rahman Chowdhury

Abstract


The rising demand for various direct current (DC) sources and loads, such as solar photovoltaic (PV) systems, fuel cells, and batteries, is driving the increasing popularity of DC microgrids. These systems are crucial due to their ability to integrate swiftly with the existing electrical infrastructure. In Bangladesh, a significant number of rural households lack access to electricity, underscoring the need for innovative energy solutions like DC microgrids. This paper provides an in-depth examination of DC microgrids, offering a comparative analysis of multiple microgrid systems specifically tailored to meet the needs of rural energy sectors. The study also summarizes the reasons for developing DC microgrids in the rural energy context, exploring how they could advance rural electrification. The paper outlines the schematic design and basic architecture of DC microgrids, emphasizing key components that ensure their efficiency and reliability. It highlights the numerous advantages of adopting DC microgrids, including reduced operational costs, enhanced energy efficiency, and improved compatibility with renewable energy sources and storage systems. In the broader scope of the rural energy internet, this study analyzes DC microgrids to address the critical need for reliable, affordable, and sustainable energy solutions in rural areas. The motivations for implementing DC microgrids within the rural electrical infrastructure of Bangladesh are discussed in detail. Additionally, the paper examines the challenges associated with deploying DC microgrids, potential research directions, and the anticipated impact of these systems on the country’s developing rural energy network. This comprehensive analysis aims to contribute to the ongoing efforts to enhance rural electrification in Bangladesh through the strategic deployment of DC microgrids.


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