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Optimizing Relay Coordination in Radial Distribution Systems with Solar PV Integration

International Journal of Electrical and Electronics Engineering
© 2024 by SSRG - IJEEE Journal
Volume 11 Issue 7
Year of Publication : 2024
Authors : T. Kosaleswara Reddy, T. Devaraju, M. Vijayakumar
10.14445/23488379/IJEEE-V11I7P102
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How to Cite?

T. Kosaleswara Reddy, T. Devaraju, M. Vijayakumar, "Optimizing Relay Coordination in Radial Distribution Systems with Solar PV Integration," SSRG International Journal of Electrical and Electronics Engineering, vol. 11,  no. 7, pp. 23-38, 2024. Crossref, https://doi.org/10.14445/23488379/IJEEE-V11I7P102

Abstract:

Relay coordination in radial distribution systems is crucial for ensuring efficient and reliable power distribution, especially with the integration of solar Photovoltaic (PV) systems. The operation of relay backup to enhance system protection and accommodate renewable energy sources is the focus of this research. Various relay coordination strategies are investigated using the IEEE-13 bus system as a testbed. Key aspects such as currents and time multiplier settings are considered to develop an effective coordination scheme. Additional complexity is introduced by the integration of solar PV systems due to bidirectional power flow and intermittent generation. The proposed coordination strategies are evaluated for their effectiveness in maintaining system stability and minimizing outage risks through validation with Mi-Power software. The findings contribute to the development of advanced relay coordination techniques tailored for modern distribution networks with renewable energy integration. Challenges are addressed, and system performance and reliability are optimized. This research provides insights into the critical aspects of relay coordination in radial distribution systems. The complexities introduced by solar PV systems are carefully considered, and strategies are developed to manage these challenges effectively. The IEEE-13 bus system serves as an ideal testbed for exploring various coordination schemes, and the use of Mi-Power software ensures robust validation of the proposed strategies.

Keywords:

Coordination analysis, Protection schemes, Radial distribution system, Relay coordination, Solar PV system, Reliability.

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