Study on Characterization of Electrical Contact between Pantograph and Catenary

Study on Characterization of Electrical Contact between Pantograph and Catenary

Perfect sliding contact which requires appropriate contact force between pantograph and contact wire is the key point to guarantee the stability of current collection in locomotive. In order to study on characterization of electrical contact between pantograph and catenary, first, a novel test appar...

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Hauptverfasser: Wangang Wang, Anping Dong, Guangning Wu, Guoqiang Gao, Lijun Zhou, Bo Wang, Yi Cui, Donglai Liu, Dajian Li, Tianzhi Li
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Sprache:eng
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Contact resistance
Force
Strips
Traction motors
Wheels
Wires
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creator Wangang Wang
Anping Dong
Guangning Wu
Guoqiang Gao
Lijun Zhou
Bo Wang
Yi Cui
Donglai Liu
Dajian Li
Tianzhi Li
description Perfect sliding contact which requires appropriate contact force between pantograph and contact wire is the key point to guarantee the stability of current collection in locomotive. In order to study on characterization of electrical contact between pantograph and catenary, first, a novel test apparatus of pantograph electrical contact has been developed according to the filed application. The apparatus can simulate laterally (zigzag) movement, vertical vibration and the flexible line contact between pantograph contact strip and contact wire. Then, electrical contact experiments are carried out using this apparatus. Characteristics of static contact resistance under various contact force and traction current are analyzed. A fitted formula for contact resistance is proposed which have two independent variables of contact force and traction current. Possible mechanism for variation of contact resistance is represented in microscopic view of contact surface. It is demonstrated that the static contact resistance decreases with the contact force and traction current increasing.
doi_str_mv 10.1109/HOLM.2011.6034815
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subjects Contact resistance
Force
Strips
Traction motors
Wheels
Wires
title Study on Characterization of Electrical Contact between Pantograph and Catenary
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