Introduction in ac and dc high voltage transmission lines in China up to now only use the disc hanging and organic composite insulator
, are considering using long rod insulator.
Due to the different types of insulator material, manufacturing process and the structure is different, its mechanical properties, electrical properties and pollution characteristics and differences between high and low temperature properties, etc.
This article is to discuss the characteristics of the insulator and the selection of the insulator.
1 suspension insulator porcelain, glass performance is 1.
1 mechanical properties evaluation of the quality of the mechanical tensile index Q and mechanical residual tensile properties Qs quality index is one of the important parameters of mechanical properties evaluation of insulator.
By the article [
, in engineering design, 1, 2, 1 0 and 30 0 60 k N different type insulator corresponding quality index are shown in table 1 [
Table 1: porcelain insulator and the comparison of mechanical properties of glass insulator insulator type mechanical load/k N Q Qs ac magnetic insulator suspension type ac glass insulator 16 0. 7.
14 ~ 48.
10 4, 972.
90 7 ~ 40.
8130 0 77.
9116 0. 5.
2 5 to 1.
0 ~ 1 2.
142 10 to 1.
4 ~ 6 June.
0 0 5 930.
15 dc dc 16 0 glass insulator suspension insulator.
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