[4] [4] Jadin Mohd Shawal, Taib Soib. Recent progress in diagnosing the reliability of electrical equipment by using infrared thermography[J]. Infrared Physics Technology, 2012, 55(4): 236-245.

[5] [5] Humberto Henao, Gerard-Andre Capolino, Manes Fernandez-Cabanas, et al. Trends in fault diagnosis for electrical machines: a review of diagnostic techniques[J]. IEEE Industrial Electronics Magazine, 2014, 8(2): 31-42.

[9] [9] Choudhary M, Shafiq M, Kiitam I, et al. A review of aging models for electrical insulation in power cables[J]. Energies, 2022, 15(9): 3408.

[10] [10] Haque S K M, Ardila-Rey J A, Umar Y, et al. Application and suitability of polymeric materials as insulators in electrical equipment[J]. Energies, 2021, 14(10): 2758.