Dynamical Current-Collection and Service Performance of Pantograph-Catenary System in Complex Environment: Review
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Abstract
The EMU operates under different climatic and environmental conditions, which propose different technical challenges for the pantograph-catenary system (PCS). In particular, the variations in temperature, humidity and air pressure of the pantograph system under different environments, as well as their coupling effects with the dynamic performance of the system, affect the stability and service performance of the PCS. Therefore, it is essential to conduct scientific research on how complex environmental conditions influence the PCS of EMU in order to ensure its long-term, stable and reliable operation. This thesis reviews the progress and development trends of related research from the perspectives of ambient temperature, humidity, air pressure, wind-induced vibration and icing, taking into account both the environmental characteristics of the Sichuan-Tibet Railway and the structural features of PCS.
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