Szukana fraza: [Abstrakt = "The article presents the results of the current stage of study on the catenary dynamics, based on the author's method of simulation of pantograph–catenary system vibrations. The influence of the speed of movement and the distance between pantographs on the vibration of contact wire and the contact force has been analyzed. Three pantographs' distances and five speeds were chosen for the analyzes. The nature of the phenomenon was analyzed on the basis of time histories of the output quantities and statistical measures. The possibility of unfavorable combinations of load conditions, leading to an increase of undesirable dynamic behavior, has been identified. Conclusions for further research have been formulated."]

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