A modified CPS-PWM for capacitor voltage reduction of MMC based variable speed drive, International Journal of Power Electronics and Drive Systems (IJPEDS), Published on September 2022, Vol. 13, No. 3, pp. 1326~1339. ISSN: 2088-8694, DOI: http://doi.org/10.11591/ijpeds.vx.iy.ppab-cd.