Q. Stepless speed control of induction motor is possible by which of the followingmethods ? (Solved)
1. e.m.f. injection in rotor eueuit
2. Changing the number of poles
3. Cascade operation
4. None of the above
- b. Changing the number of poles
1. e.m.f. injection in rotor eueuit
2. Changing the number of poles
3. Cascade operation
4. None of the above