Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

Mitigating power quality issues in distribution systems is of utmost importance to both electricity consumers and suppliers as it improves the system’s efficiency, reduces costs, maintains continuous supply, diminishes requirement for frequent maintenance. Custom devices were introduced eliminate like voltage sags, swells, transients, imbalances, current harmonics arising systems. Unified conditioner (UPQC) one such frequently used custom device that enhances Various structural arrangements UPQCs with improved performance capability within last few decades. The main aim this paper review most explored UPQC models literature observe impact these configurations on their well overall system. Also, study investigates properties, applications, control techniques by mitigate issues.