Dynamic Analysis of Pantograph-Catenary System considering Ice Coating

Table 5

Statistical value of uplift at different positions after icing (uniform load method).

Icing thickness	Support positioning position		The first dropper		The midspan
	Uplift (m)	Rate (%)	Uplift (m)	Rate (%)	Uplift (m)	Rate (%)
λ = 0	0.04203	—	0.04193	—	0.04047	—
λ = 1	0.04189	−0.33	0.04162	−0.74	0.04031	−0.40
λ = 2	0.04168	−0.85	0.04113	−1.92	0.04007	−1.00
λ = 3	0.04146	−1.37	0.04047	−3.48	0.03978	−1.71