[ 1 ] Liu Y, Yu Y, Gao N, Wu F. A grid as smart as the internet. Engineering 2020;6(7):778‒88. 链接1

[ 2 ] Liang X, Li S, Gao Y, Su Z, Zhou J. Improving the outdoor insulation performance of Chinese EHV and UHV AC and DC overhead transmission lines. IEEE Electr Insul M 2020;36(4):7‒25. 链接1

[ 3 ] Yu Y, Liu Y, Qin C, Yang T. Theory and method of power system integrated security region irrelevant to operation states: an introduction. Engineering 2020;6(7):754‒77. 链接1

[ 4 ] Fang Y, Wang L, Li R, Zhang Q, Gao J, Song B. A modified model for discharge voltage of AC transmission line-tower air gaps. IEEE Access 2019;7:71472‒80. 链接1

[ 5 ] Shen Y, Liang X, Wang J, Wu C, Wang G, Gao C. Pollution characteristics of AC 500 kV composite cross-arm in high altitude area. High Voltage Eng 2017;43(8):2760‒8. Chinese.

[ 6 ] Zachariades C, Rowland SM, Cotton I, Peesapati V, Chambers D. Development of electric-field stress control devices for a 132 kV insulating cross-arm using finite-element analysis. IEEE T Power Deliver 2016;31(5):2105‒13. 链接1

[ 7 ] Jahangiri T, Wang Q, Bak CL, da Silva FF, Skouboe H. Electric stress computations for designing a novel unibody composite cross-arm using finite element method. IEEE T Dielect El In 2017;24(6):3567‒77. 链接1

[ 8 ] Amir AL, Ishak MR, Yidris N, Zuhri MYM, Asyraf MRM. Potential of honeycomb-filled composite structure in composite cross-arm component: a review on recent progress and its mechanical properties. Polymers 2021;13(8):1341. 链接1

[ 9 ] Gao Y, Wu C, Liang X, Liu Y, Wang G, Gao C. Electric field and electromagnetic environment analyses of a 500 kV composite cross arm. In: 2015 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2015); 2015 Oct 18‒21; Ann Arbor, MI, USA; Piscataway: IEEE; 2015. p. 399‒402. 链接1

[10] Yang X, Wang Q, Wang H, Zhang S, Peng Z. Transient electric field computation for composite cross-arm in 750 kV AC transmission line under lightning impulse voltage. IEEE T Dielect El In 2016;23(4):1942‒50. 链接1

[11] Huo F, Zhang P, Yu Y, Liu Q, Chu L, Wang X. Electric field calculation and grading ring design for 750 kV four-circuits transmission line on the same tower with six cross-arms. In: The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018); 2018 Jun 28‒29; Chengdu, China. Piscataway: IEEE; 2018. p. 3155‒9. 链接1

[12] Yang Y, Li N, Peng Z, Liao J, Wang Q. Potential distribution computation and structure optimization for composite cross-arms in 750 kV AC transmission line. IEEE T Dielect El In 2014;21(4):1660‒9. 链接1

[13] Zhang Z, Zhao J, Zhang D, Jiang X, Li Y, Wu B, et al. Study on the dc flashover performance of standard suspension insulator with ring-shaped non-uniform pollution. High Volt 2018;3(2):133‒9. 链接1

[14] Sima W, Sun P, Yang M, Wu J, Hua J. Impact of time parameters of lightning impulse on the breakdown characteristics of oil paper insulation. High Volt 2016;1(1):18‒24. 链接1

[15] Datsios ZG, Mikropoulos PN, Tsovilis TE. Effects of lightning channel equivalent impedance on lightning performance of overhead transmission lines. IEEE T Electromagn C 2019;61(3):623‒30. 链接1

[16] Jiang X, Hu J, Zhang Z, Yuan J. Switching impulse flashover performance of different types of insulators at high altitude sites of above 2800 m. IEEE T Dielect El In 2008;15(5):1340‒5. 链接1

[17] Malicki P, Papenheim S, Kizilcay M. Shielding failure analysis of a hybrid transmission line with AC and DC systems on the same tower. Electr Pow Syst Res 2018;159:2‒8. 链接1

[18] Zeng R, Zhuang C, Zhou X, Chen S, Wang Z, Yu Z, et al. Survey of recent progress on lightning and lightning protection research. High Volt 2016;1(1):2‒10. 链接1

[19] Chen W, Zeng R, He H. Research progress of long air gap discharges. High Volt Eng 2013;39(6):1281‒95. Chinese.

[20] Jiang Z, Wu W, Wang B, Xie P, Li H, Lin F. Design and test of 500 kV lightning protection insulator. IEEE Access 2019;7:135957‒63. 链接1

[21] Asif M, Lee HY, Khan UA, Park KH, Lee BW. Analysis of transient behavior of mixed high voltage dc transmission line under lightning strikes. IEEE Access 2019;7:7194‒205. 链接1

[22] IEC 60060: High-voltage test techniques. International Standard. Switzerland: IEC Central Office; 2020.

[23] Thien YV, Azis N, Jasni J, Kadir MZAA, Yunus R, Yaakub Z. Pre-breakdown streamer propagation and positive lightning breakdown characteristics of palm oil impregnated aged pressboard. IEEE Access 2020;8:58836‒44. 链接1

[24] Li G, Liao W, Li Q, Ding Y, Sun L. Voltage output performance of 7200 kV/480 kJ impulse voltage generator. Proc CSEE 2008;28(25):1‒7. Chinese.

[25] Qiu Z, Wang X, Ruan J. Application of a SVR model to predict lightning impulse flashover voltages of parallel gaps for insulator strings. IEEJ T Electr Electr 2019;14(10):1455‒62. 链接1

[26] Garolera A, Cummins K, Madsen S, Holboell J, Myers J. Multiple lightning discharges in wind turbines associated with nearby cloud-to-ground lightning. IEEE T Sustain Energ 2015;6(2):526‒33. 链接1

[27] Liang X. Research on the 500 kV composite insulator [Dissertation]. Beijing: Tsinghua University; 1990. Chinese.

[28] Liang X, Zhou Y, Zeng R. High voltage engineering. 2nd ed. Beijing: Tsinghua Press; 2015. Chinese.

[29] IEC 60071: Insulation co-ordination. International Standard. Switzerland: IEC Central Office; 2019.

[30] Xie G. Overvoltage in power system. Beijing: China Electric Power Press; 2018. Chinese.