What might cause damaged to the spinning converter?
Show the correct answer
Correct answer
C. No cooling of the electrical equipment.
Explanation
In the photo you can see a rotary converter removed from a tram. A damaged rotary converter may cause a lack of cooling of the electrical equipment - answer C.
The rotary converter supplies the low-voltage circuits and drives the fan that cools the electrical equipment, including the starting resistors. When it stops, the equipment overheats, which creates a risk of damage and even a fire. The adjuster (answer A) and the reverser (answer B) are controlled from the low-voltage circuits, which are supplied by the battery when the converter fails, so they do not stop working straight away. You do not repair such a fault yourself on the route - you follow the dispatcher's instructions.
Legal basis: Art. 3 para. 1 of the Road Traffic Act (Prawo o ruchu drogowym)