Modelling of DC Microgrid for Fault Analysis

2023 International Conference on Recent Advances in Electrical, Electronics & Digital Healthcare Technologies (REEDCON) Pub Date : 2023-05-01 DOI:10.1109/REEDCON57544.2023.10151371

Sathish S, Aneesa Farhan M A

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Abstract

Microgrids have become a global trending topic such that there is a plethora of research undergoing in different aspects that include operations like energy management, stability, protection and control. A DC microgrid has done a revolution in the power distribution network and it improves power reliability and quality. Also, DC microgrids have significant benefits over the AC grid in terms of size, price, and efficiency, thereby becoming a preferred network for modern power systems. However, there are no design guidelines or standard models to study the DC microgrid. In this paper, a DC microgrid has been modelled with renewable sources, distributed loads, and an AC grid. The proposed system is modelled using MATLAB/Simulink software platform. Additionally, the work also emphasizes the design and operational features of a DC microgrid, including an investigation of fault characteristics for low resistance faults, high resistance faults and faults at different locations of the DC microgrid.

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面向故障分析的直流微电网建模

微电网已经成为一个全球趋势话题，因此在不同方面进行了大量的研究，包括能源管理、稳定、保护和控制等操作。直流微电网是配电网的一场革命，它提高了供电的可靠性和质量。此外，与交流电网相比，直流微电网在规模、价格和效率方面具有显著的优势，因此成为现代电力系统的首选网络。然而，目前还没有研究直流微电网的设计指南或标准模型。本文建立了包含可再生能源、分布式负荷和交流电网的直流微电网模型。采用MATLAB/Simulink软件平台对系统进行了建模。此外，该工作还强调了直流微电网的设计和运行特征，包括对直流微电网低阻故障、高阻故障和不同位置故障的故障特征进行了研究。

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2023 International Conference on Recent Advances in Electrical, Electronics & Digital Healthcare Technologies (REEDCON)

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