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

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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.

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Abbreviations

ACO:

Ant colony optimization

CTR:

Current transformer ratio

CTI:

Coordination time interval

CSA:

Crow search algorithm

DE:

Differential evolution

ERWCA:

Evaporation rate water cycle algorithm

RES:

Renewable energy sources,

GA:

Genetic algorithm

GSA:

Gravitational search algorithm

HGA:

Hybrid GA

HSA:

Harmony search algorithm

IDMT:

Inverse definite minimum time

LP:

Linear programming

MPSO:

Modified PSO

Nsr:

Number of stream and river

PSO:

Particle swarm optimization

RTA:

Root tree algorithm

SM:

Simplex method

SOS:

Symbiotic organism search

SQP:

Sequential programming

Tik :

Operating time of ith relay at fault k

Tb :

Operating time of backup relay

Tp :

Operating time of primary relay

Wj:

Weighting factor

WCMF:

Water cycle moth flame

z:

Objective function

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Correspondence to Dipu Sarkar.

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Sarkar, D., Kudkelwar, S. Optimal over current relay coordination in Microgrid using a novel hybrid Water Cycle-Moth Flame algorithm. Int J Syst Assur Eng Manag 12, 553–564 (2021). https://doi.org/10.1007/s13198-021-01114-x

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  • DOI: https://doi.org/10.1007/s13198-021-01114-x

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