Q31. A cyclo-converter fed induction motor driving is most suitable for which one of the following

Q32. The frequency of ripple in the output voltage of a three-phase half controlled bridge rectifier depends on the

Q33. The ripple frequency of a six-phase half wave rectifier for 220 V, 60 Hz input is

Q34. The maximum output voltage obtainable with fully controlled full-wave 3-phase rectifier is _______, where V is RMS magnitude of the Phase to neutral voltage of the secondary