Analysis and Processing of Failing to Recovery Normally for Semi-automatic Block
Through logical analysis of the phenomenon of recovery faults after train arrivals in a semi-automatic receiving station from a departure station,this paper confirms the lighting status of the indicator lights on the console displays of the two stations under fault conditions,observes the operation of the relays in the recovery circuits of the two stations during faults,tests the receiving and sending voltage values and amplitude of the distributing terminal boards in the signal mechanical rooms of the two stations during faults,and observes the time length of the pulse signal.This paper then makes full use of microcomputer to monitor and replay the fault phenomenon,browses and compares the voltage curve status,data,amplitude and pulse time curve status and curve lengths of the negative pulses sent and received by the two stations under the fault conditions,so as to accurately determine the fault range,confirm the fault point,and quickly deal with the fault.
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