Trần, Thương, Nhờ Nguyễn, and Khoa Phạm. “IPD, POD and APOD Multi-Carrier PWM Techniques for Five-Level Nested Neutral Point Clamped Inverter”. Journal of Measurement, Control, and Automation 5, no. 2 (August 20, 2024): 1-11. Accessed October 16, 2024. https://mca-journal.org/index.php/mca/article/view/190.