Phan, D., Q. Tran, D. Dao, T. Nguyen, A. Nguyen, and H. Le. “New Space Vector PWM Method Based on Virtual Flux Vector for T-NPC Inverter”. Science and Technology Development Journal, Vol. 17, no. 2, June 2014, pp. 13-26, doi:https://doi.org/10.32508/stdj.v17i2.1344.