Geethalakshmi, B. “A Dynamic Model and Control Strategy for the Combined Multipulse Multilevel Converter Based HVDC System”. Science & Technology Asia 19, no. 1 (March 19, 2014): 15–31. Accessed May 7, 2024. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/17069.