A new iterative linear programming approach to find optimal protective relay settings

Srinivas, Srimath Tirumala Pallerlamudi

doi:10.1002/2050-7038.12639

Cited by 3 publications

(1 citation statement)

References 48 publications

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“…where tm is the main relay's operation time and tb is the backup relay's operation time. CTM fluctuates between 0.2 and 0.5 seconds depending on the situation [10].…”

Section: Constraint For Main and Backup Docrmentioning

confidence: 99%

Particle Swarm Optimization for Directional Overcurrent Relay Coordination with Distributed Generation

A. S. M. Adnan,

M. H. Hussain,

S. R. A. Rahim

et al. 2024

AMCI

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The Directional Overcurrent Relays (DOCRs) Coordination with Distributed Generation (DG) optimization problem is addressed in this study using the optimization method Particle Swarm Optimization (PSO). Changes in fault current, bus voltages, power flow, and reliability may result from DG integration. Thus, it might have an impact on the current protection coordination system. The formulation is built on a Mixed Integer Non-Linear Programming (MINLP) problem to address this DOCR issue. MATLAB was used to validate the technique on the IEEE-14 bus system, and Electrical Test Transient Analyzer Programming (ETAP) version 2021 software was used to model the test system. According to the simulation results, the suggested PSO with DG for Case 2 has reduced power loss by 6.24% and relay operating time by 46.79% when compared to PSO without the presence of DG.

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“…where tm is the main relay's operation time and tb is the backup relay's operation time. CTM fluctuates between 0.2 and 0.5 seconds depending on the situation [10].…”

Section: Constraint For Main and Backup Docrmentioning

confidence: 99%