Nguyen Duy, D., A.-T. Nguyen, G. Takuya, and Kazuto Yukita. “Simple Balancing Method for Unbalanced Dual-Bridge Converters Based on Fundamental Harmonics Approximation and Trigonometric Calculation”. Journal of Measurement, Control, and Automation, vol. 2, no. 2, Mar. 2022, pp. 44-51, https://mca-journal.org/index.php/mca/article/view/71.