Nonlinear Buckling Analysis and Optimization Design of the Y-Type Composite Insulator String

Table 6

The comparison of analysis results between the no. 1 and no. 2 insulator strings.

Wind speed	Unloading angle			Maximum displacement
	V-type	Y-type	Y-type	V-type	Y-type	Y-type
20	0	0	0	0	0	0
25	0.17	0.13	0	0.22	0.117	0
30	6.35	6.03	0	1.467	1.172	0.137
35	12.75	12.29	7.47	2.632	1.986	1.63