A New Multicarrier Sinusoidal Pulse Width Modulation (SPWM) Strategy based on Rooted Tree Optimization (RTO) Algorithm for Reducing Total Harmonic Distortion (THD) of Switched-Capacitor Nine-level Inverter in Grid-connected PV systems. Indonesian J. Sci. Technol [Internet]. 2023 Nov. 28 [cited 2025 Sep. 4];7(1):19-36. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/37