Dynamic Inspection Evaluation and Warning Methods of the OCS on Beijing-Shanghai HSR
On the basis of the Evaluation Method of Catenary Dynamic Inspection Data(Q/CR 841-2021),the paper uses the dynamic inspection defects and the dynamic performance index(CDI)of the OCS as indicators and takes reference of the inspection data collected by the onboard OCS inspection device(3C).The goal is to analyze the dynamic performance of the OCS on Beijing-Shanghai HSR.The nearly one-year inspection data facilitate the study of occasional local defects and mid-to long-term operation characteristics.The results show that the overall dynamic performance of the OCS on Beijing-Shanghai HSR is sound and stable.Based on the data characteristic analysis of the pantograph-catenary comprehensive inspection device(1C),warning algorithms for compensation device,mid-point anchor wire sag and steady arm stress are developed to realize equipment evaluation and warning generation.The paper then carries out equipment status warning analysis,targeting the mid-point anchor,the compensation device and the steady arm stress state of Beijing-Shanghai HSR.The results show that the method can locate the abnormality,guiding the decision-making for equipment maintenance.
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