Judging the Abnormal Rail-Armature Contact States With Waveforms of B-Dot Probes

In this paper, two kinds of abnormal rail-armature contact states are assumed and simulated, and the simulated B-dot probe waveforms are compared with the results from the experiments. Through theoretical analysis, simulations, and experiments, relations between the abnormal contact states and the output waveforms of the B-dot probe are investigated. Results show that with the help of the B-dot pr...