1 ptsPTOfficial number: 4063
What effect will stopping the wagon at the point of contact between the pantograph and an insulator trigger?
Explanation
Correct answer: Loss of wagon start-up and operation of the inverter.
An insulator is a component of the traction network that does not conduct electricity, as it serves to separate power supply sections. Stopping the pantograph at this point completely cuts off the electricity supply to the vehicle. Consequently, the loss of power prevents both the vehicle from starting (the operation of the traction motors) and the operation of the converter that powers other on-board systems.