Dynamic Analysis of Pantograph-Catenary System considering Ice Coating

Table 4

Statistical value of vertical uplift at different positions after icing (increased density method).

Icing thickness	Support positioning position		The first dropper		The mid-span
	Uplift (m)	Rate (%)	Uplift (m)	Rate (%)	Uplift (m)	Rate (%)
λ = 0	0.04203	—	0.04193	—	0.04047	—
λ = 1	0.04208	0.10	0.04195	0.04	0.04039	−0.19
λ = 2	0.04212	0.20	0.04194	0.02	0.0402	−0.66
λ = 3	0.04213	0.24	0.04187	−0.16	0.03984	−1.57