Q. In a 3 phase semiconverter, the freewheeling diode comes into operation only if firing angle (Solved)
1. is zero
2. is 60°
3. is more than 60°
4. is more than 90°
- c. is more than 60°
1. is zero
2. is 60°
3. is more than 60°
4. is more than 90°