O. Crescent O, N. Damian B, O. Charles I., E. Candidus U., and O. Stephen E, “Analysis of a three phase capacitor voltage balanced hybrid multi-level inverter with a three phase RL-load”, IJET, vol. 9, no. 1, pp. 133–148, Feb. 2020, doi: 10.14419/ijet.v9i1.29969.