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Fault handling of railway turnout Jun 23, 2017

After the failure of the turnout, it should first be based on the analysis of the phenomenon of turnout failure which can occur. Second, should first be in the outdoor wiring to measure the power supply not sent out if the line of energy to the voltage, the power is sent out otherwise, is the indoor turnout failure.

Failure condition

First inquires the station attendant breakdown phenomenon, then controls the turnout test on the control stage.

Register Switch Stop Equipment

Determine the cause

(1) If it is a single switch, in the operation of the control of the ammeter has instructions, indicating that the action turnout power has been sent to the turnout. If the turnout can not be in the specified position, is outside the reason. In the operation of the switch, if the control of the ammeter is not indicated, first to the mechanical room of the outdoor wiring plate to measure the turnout there is no voltage, if there is a voltage indicating the action of the switch power has been sent out, is the outdoor fault.

(2) If it is a double moving turnout, in the operation of the control of the ammeter when the move will not move, indicating that the action switch power has been sent to a switch, the failure of the switch after a move, is the outdoor fault.

(3) If the turnout is fixed and the reverse position can be moved, it is not indicated. Using a multimeter to communicate 250v, in the X1 (or X2) and X3 between the measurement of the AC 110V voltage, if there is a voltage, it is the outdoor fault, otherwise it is the indoor fault.