Effect of Pantograph’s Main Structure on the Contact Quality in High-Speed Railway

Figure 14

The initial position of the pantograph’s main frame (the red lines or hinges in this figure are the related variable parameters): (a) variation of L₁ (failed at −15%);_. (b) variation of L₂; (c) variation of L₄ (failed at 10% and 15%); (d) variation of L_a; (e) variation of L_b; (f) variation of L₅; (g) variation of θ₅ (the angles between two red lines).

(a)

(b)

(c)

(d)

(e)

(f)

(g)