The dynamic effect of the locomotive-track system on the pantograph-catenary system is investigated in the paper.A new interactive model of the pantograph and the catenary is developed.

• 本文通过建立受电弓-接触网动态相互作用模型，并运用机车-轨道耦合动力学理论分析方法，研究了机车-轨道系统对受电弓-接触网系统的振动影响问题。