Nguyen Thanh Hien, Trieu Quoc Huy, Bui Thi Thu Thuy. ANALYZING THE PROBLEM OF REACTIVE POWER USING MIKRO PFR120 RELAY. tvujs [Internet]. 2024 Dec. 19 [cited 2025 Mar. 9];14(8). Available from: https://journal.tvu.edu.vn/index.php/journal/article/view/98