While operating on variable frequency supplies, the AC motor requires variable voltage, that is so as to

Electrical Engineering XYZ MCQs

While operating on variable frequency supplies, the AC motor requires variable voltage, that is so as to:

1. Improve the capabilities of the inverter
2. Protect the insulation
3. Protect thyristor from dV / dt
4. Avoid effect of saturation

Correct answer: 4. Avoid effect of saturation