This paper is aimed at selecting a suitable pantograph-catenary model for investigations under crosswind and investigating parameter influences on pantograph-catenary dynamics, including the friction, the rising angle, the value of zigzag and the sliding plate irregularity. One spatial-beam pantograph model is proposed and its governing equations are obtained. Combining with the catenary, the 3-D pantograph-catenary model is established. Comparing with the other models, the 3-D pantograph-catenary model is more probable to obtain accurate results in the standard deviation (STD) of the contact force and the rate of contact loss (RCL) under crosswind. Based on it, the effects of parameters mentioned above are discussed. The calculation results indicate that the friction affects little on mean contact force and STD of the contact force but greatly on RCL when the crosswind attack angles are large. This great effect on RCL depends on the directions of crosswind and the rising angle. The larger value of zigzag means smaller STD of the contact force and larger RCL. There is a critical cycle length corresponding to a certain wear depth. Less than it, the pantograph-catenary interaction may well be tremendous. Severe wear and crosswind can lengthen the critical cycle length.

本文旨在选择一种合适的受电弓类模型，用于侧风下的研究，并研究参数对受电弓类动力学的影响，包括摩擦，上升角，之字形值和滑板不规则性。提出了一种空间波束受电弓模型，并建立了其控制方程。与悬链线相结合，建立了3-D受电弓-类别模型。与其他模型相比，3-D受电弓-类别模型更可能获得侧风下接触力的标准偏差（STD）和接触损失率（RCL）的准确结果。在此基础上，讨论了上述参数的影响。计算结果表明，当侧风迎角较大时，摩擦力对接触力的平均接触力和接触力的标准差影响很小，对RCL的影响很大。对RCL的巨大影响取决于侧风的方向和上升角度。之字形值越大，表示接触力的STD越小，RCL越大。存在与特定磨损深度相对应的临界循环长度。小于它，受电弓与类别间的相互作用可能非常巨大。严重的磨损和侧风会延长关键的循环时间。小于它，受电弓与类别间的相互作用可能非常巨大。严重的磨损和侧风会延长关键的循环时间。小于它，受电弓与类别间的相互作用可能非常巨大。严重的磨损和侧风会延长关键的循环时间。