Based on the dynamic simulation of pantograph-catenary coupling system and the orthogonal exper-imental design method,the effects of six structural parameters of DSA250 pantograph on the dynamic current-collecting performance of rigid Metro pantograph-catenary system with a speed of 160km/h were studied,and the optimal combination of parameters was selected,and the influence degree of each parameter was sorted.The re-sults show that the selected optimal combination parameters can significantly improve the dynamic current-collec-ting quality of pantograph-catenary system.Among the six structural parameters,the pantograph head mass has the greatest influence on the dynamic current-collecting performance of pantograph-catenary system,while the upper frame mass has the least influence on the current-collecting performance.
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