Pham, Khoa, and Nho Nguyen. “Multilevel Switching Voltage Modeling and PWM Control Strategies for Dual Two-Level Converters With Open-End Winding Configuration”. VNUHCM Journal of Engineering and Technology 6, no. 4 (May 13, 2024): 2073-2088. Accessed July 20, 2024. http://stdjet.scienceandtechnology.com.vn/index.php/stdjet/article/view/1088.