APPARATUS AND METHOD FOR ESTIMATING MALFUNCTION OF POWER FEEDING EQUIPMENT FOR SUBWAY

摘要

The present invention relates to a signal acquisition unit for acquiring an electrical signal of a subway electric power facility that supplies electric power to a railway vehicle, an analysis unit for analyzing the electric signal acquired through the signal acquisition unit to generate analysis information and comparing the analysis information with previously stored fault sign property information And an output unit for outputting fault indication information of the electric power facility according to the prediction result of the fault indication prediction module and the fault indication prediction module for generating the fault indication information for the fault indication of the electric power facility according to the comparison result .