Optimal over current relay coordination in Microgrid using a novel hybrid Water Cycle-Moth Flame algorithm

Dipu Sarkar () and Sagar Kudkelwar
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Dipu Sarkar: National Institute of Technology
Sagar Kudkelwar: National Institute of Technology

International Journal of System Assurance Engineering and Management, 2021, vol. 12, issue 3, No 17, 553-564

Abstract: Abstract In this study, a hybrid algorithm that focused on the water cycle and moth flame (WCMF) algorithm to solve the optimal relay coordination problem in a Microgird has been proposed. In the hybrid WCMF algorithm, the spiral movement of the moth is incorporated in the basic water cycle algorithm (WCA) to increase its performance. Further, the Levy flight function has been added to explore the randomization of the current hybrid model. Due to the Levy flight, the hybrid WCMF algorithm tremendously improves its performance. The competency of the latest hybrid WCMF algorithm is examined in a microgrid to optimize the Time Dial Setting (TDS). An optimum TDS reduces the total operating time of relays installed in the microgrid. A minimum total operating time provides fast protection and enhances the reliability of the network. In this proposed work, the total operating time is obtained only 7.728 s. which is reduced by 66.69%, 59.75%, and 18.52% respectively over the PSO, WCA, and ERWCA techniques. Besides, the proposed techniques obtained this fine results with less control parameters, fewer iterations, and less computational time. Therefore, the hybrid WCMF algorithm is the best tool to enhance microgrid protection coordination compared to the existing techniques.

Keywords: Coordination time interval; Renewable energy sources; Microgrid; Over current relay; Time dial setting; Hybrid water cycle-moth flame algorithm (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s13198-021-01114-x

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