Abstract

AbstractPower quality enhancement in transmission system proposes the new structure of Switched Capacitor Multilevel Inverter (SCMLI)-based Static Synchronous Compensator (STATCOM) to improve the power quality. SCMLI can generate voltage sources with the least number of components for symmetric and asymmetric values. The proposed system consists of a DC converter with a switched capacitor to operate as a self-balancing device using an asymmetrical binary algorithm. Switched Capacitor Multilevel Inverter can generate 21 level Multilevel output from DC source. This scheme is applied to STATCOM for improving compensation ability, suppression of harmonics, and reactive power control under non-linear load conditions. Proposed SCMLI-based STATCOM is employed in both single and three phase transmission system and is simulated using MATLAB Simulink and verified with PIC controller-based hardware implementation.KeywordsStatic Synchronous Compensator (STATCOM)Switched capacitor multilevel inverterCascaded H BridgePower quality

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