Due to the increased train speed, the vibration amplitude of the suspension wires in the catenary increases, with a bad effect on the safe driving of the train. The fatigue life of the suspension wires is closely related to the safe driving of the train. In this paper, the performance of the catenary suspension wires with respect to the material fatigue and the pantographcatenary relationship is analyzed, and the existing problems of the catenary component deformation, the pantograph-catenary aerodynamics and the research methods for the study of the fatigue performance of the catenary suspension wires are pointed out, and the future research and development trends in the aspects of the two-way fluid-solid interaction between the catenary and the environmental wind field, the dimensions of the measured data of the catenary are highlighted.

high speed railway catenary  /  suspension wires  /  fatigue properties