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. Indones. j. sci. technol. [Internet]. 2022 Apr. 1 [cited 2026 Jun. 7];7(1):19-36. Available from: https://ijost.upi.edu/index.php/ijost/article/view/324