Nguyen Duy, Dinh, et al. “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, doi:10.64032/mca.v2i2.71.