5Liang X D, Wang S W, Fan J, et al. Development of composite insula- tors in China[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 1999, 6(5): 586-594.
6Su Z Y, Yin Y, Liang X D, et al. Application of AC & DC composite insulators for UHV lines[C]//2009 World Congress on Insulators, Ar- testers & Bushings. Crete, Greece: [s.n.], 2009: E-2.
8Lutz B, Cheng Li, Guan Zhicheng, et al. Analysis of a fractured 500 kV composite insulator-identification of aging mechanisms and their causes[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2012, 19(5): 1723-1731.
