N. . Sunthrasakaran, “Application of Polarization and Depolarization Current in High Voltage Insulator - A Review”, IJIE, vol. 12, no. 2, pp. 159–169, Feb. 2020, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/5700