Modified PSO-based Leakage Monitoring and Relay Fault Diagnosis for 110 kV Transmission Lines
Aiming at addressing low identification efficiency in leakage detection and relay fault diagnosis of 110 kV trans-mission lines,a modified PSO-based fault diagnosis model for protective relays was proposed in this study.First the PSO algorithm was used to monitor leakage faults in 110 kV transmission lines,and then Gaussian perturbation and least squares support vectors were employed to modify the PSO algorithm.The proposed model with the modified algorithm was indicated by case analysis to achieve a fault data classification accuracy of 94.76％and a classification time consump-tion of 2.68 s,both of which are superior to the reference method,and thereby highly accurate and efficient in diagnosing leakage and relay faults of 110 kV transmission lines.
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