[1] Liang X.D., Gao Y.F., Wang J.F. et al., Rapid development of silicone rubber composite insulators in China, High Voltage Engineering, vol. 42, no. 9, pp. 2888–2896 (2016), DOI: 10.13336/j.1003- 6520.hve.20160907025.

[2] Yuan Z.K., Degradation characteristics and mechanism of materials in composite insulator under high humidity, PhD Thesis, North China Electric Power University, Beijing (2019).

[3] Xoa Y.F., Song X.M., He J.Z. et al., Evaluation method of aging for silicone rubber of compos- ite insulator, Transactions of China Electrotechnical Society, vol. 34, no. S1, pp. 440–448 (2019), DOI: 10.19595/j.cnki.10006753.tces.L80647.

[4] Tang J., Liu Q.S., Liu J.W. et al., Evaluation of composite insulators based on fuzzy comprehen- sive evaluation, Engineering Journal of Wuhan University, vol. 52, no. 5, pp. 451–456 (2019),  DOI: 10.14188/j.1671-8844.2019-05-012.

[5] Huang X., Wang L.Y., Wang Q. et al., Grey fuzzy comprehensive evaluation model of contamina- tion state for insulators based on IFAHP with bayesian modified method, Science Technology and Engineering, vol. 20, no. 13, pp. 5135–5141 (2020), DOI: CNKI:SUN:KXJS.0.2020-13-018.

[6] Liu Y.P., Xu Z.Q., Fu H.C. et al., Insulation Condition Assessment Method of Power Transformer Based on Improved Extension Cloud Theory With Optimal Cloud Entropy, High Voltage Engineering, vol. 46, no. 2, pp. 397–405 (2020), DOI: 10.13336/j.1003-6520.hve.20190215004.

[7] Fan L., Xia F., Su H.Y. et al., Risk assessment of high voltage insulator contamination condition by cloud theory, Power System Protection and Control, vol. 40, no. 15, pp. 57–62 (2012), DOI: CNKI: SUN:JDQW.0.2012-15-014.

[8] Wang S.H., Jing H., Study on method for predicting pollution Flashover insulators in contact network, Journal of the China Railway Society, vol. 40, no. 3, pp. 58–67 (2018), DOI: CNKI:SUN:TDXB.0.2018- 03-011.

[9] Huai M.Q., Research on prediction of contamination state of insulator on catenary based on fuzzy neural network, Master Thesis, Lanzhou Jiaotong University, Gansu (2018).

[10] Yang Z.C., Zhang C.L., Ge L. et al., Comprehensive fuzzy evaluation based on entropy weight method for insulator flashover pollution, Electric Power Automation Equipment, vol. 34, no. 4, pp. 90–94 (2014), DOI: CNKI:SUN:DLZS.0.2014-04-016.

[11] Zhou Y.M., Studies on the degradation depth of silicon composite insulator in service, Master Thesis, Wuhan University, Wuhan (2018).

[12] Chen X.C., Li L.Q., Wu Z.G. et al., Research on shed properties of network operating composite insulators, Guangdong Electric Power, vol. 29, no. 6, pp. 104–108 (2016), DOI: 10.3969/j.issn.1007- 290X.2016.06.019.

[13] Yang L.G., Florian Pauli, Kay Hameyer, Influence of thermal-mechanical stress on the insulation system of a low voltage electrical machine, Archives of Electrical Engineering, vol. 70, no. 1, pp. 233–244 (2021), DOI: 10.24425/aee.2021.136064.

[14] Liu Y., Wang J.G., Han F. et al., Electrical and mechanical properties of composite insulators af- ter different operation periods, High Voltage Engineering, vol. 34, no. 5, pp. 1017–1021 (2008), DOI: 10.13336/j.1003-6520.hve.2008.05.027.

[15] Yao L.N., Wu Y.H., Wang S.H. et al., Electrical and mechanical properties of on-line compos- ite insulators, Insulating Materials, vol. 48, no. 8, pp. 23–27 (2015), DOI: 10.16790/j.cnki.1009- 9239.im.2015.08.005.

[16] Jia Z.D., Yang C.X., Wang X.L. et al., Aging characteristics of composite insulators based on hydropho- bicity transfer test, High Voltage Engineering, vol. 41, no. 6, pp. 1907–1914 (2015), DOI: 10.13336/ j.1003-6520.hve.2015.06.019.

[17] Zhang M.M., Research on evaluation Method of Insulator pollution Status Assessment Based on UV Pulse Parameters, Master Thesis, Southwest Jiaotong University, Sichuan (2019).

[18] Mao Y.K., Guan Z.C., Wang L.M. et al., Evaluation of contamination levels of outdoor insulators based on the principal components analysis of leakage current Pulse, Transactions of China Electrotechnical Society, vol. 24, no. 8, pp. 39–45 (2009), DOI: 10.19595/j.cnki.10006753.tces.2009.08.007.

[19] Ning G.T., Fang B., Qin D. et al., Design and application of comprehensive evaluation index system of smart grid based on coordinated planning of major network and power distribution network, Archives of Electrical Engineering, vol. 70, no. 1, pp. 103–113 (2021), DOI: 10.24425/aee.2021.136055.

[20] Zhou L.L., Research of methods and their application of determining the weights of attributes in fuzzy comprehensive evaluation, Master Thesis, Northeastern University, Liaoning (2014).

[21] Li G., Li J.P., Sun X.L. et al., Research on a combined methods of subjective-objective weighting and its rationality, Management Review, vol. 29, no. 12, pp. 17–26+61 (2017), DOI: 10.14120/j.cnki. cn115057/f.2017.12.002.

[22] Chen Y.C., Dai J.Y., Xie D., Comprehensive evaluation of mine ventilation system based on combi- nation weighting cloud model, Systems Engineering, vol. 38, no. 6, pp. 35–42 (2020), DOI: 1001- 4098(2020)06-0035-08.

[23] Wang L.L., Research on cleaner production evaluation index system and grade comprehensive evalua- tion methodologies of wastewater treatment plants in cities and towns, PhD Thesis, Dalian University of Technology, Dalian (2015).