Research Article

High-Frequency Vibration Analysis and Optimization of Irregular Wear of Pantograph Carbon Strips

Table 1

Simulation model parameters for rigid catenary.

ComponentParameterValueUnit

GeneralNumber of spans20
Span length10m
Aluminum profile and contact wireSection area25cm2
Inertia flexural property4.1 × 10−6m4
Density2900kg/m3
Young modulus6.9 × 1010N/m2
SupportSupport stiffness400kN/m
FlangeWeight3kg
Moment of inertia2.4 × 10−3kg·m2