Do Thanh Hieu, Tran Xuan Tien, Nguyen Van Nhan, and Ngo Van Tuan. “SUPPRESSION OF THE DC COMPONENT IN GRID INJECTION CURRENT FOR PHOTOVOLTAIC GRID-TIED INVERTERS”. UTEHY Journal of Science and Technology 23 (October 10, 2019): 25-30. Accessed May 20, 2022. http://tapchi.utehy.edu.vn/index.php/jst/article/view/47.