3-Phase Bridge Inverters Objective Questions – 3

Find the line voltage V_YR when only T3 and T4 are conducting? Consider a star connected balanced R load.

If T1 is gated at 0 °, T3 and T5 will start conducting at _______ and _________ respectively.

What is the R phase voltage and Y phase voltage when only T3 and T4 are conducting? Consider a star connected balanced R load.

In case of the 120° mode of operation, __________ devices conduct at a time.

What is the R phase voltage when only T1 and T2 are conducting from 60° to 120°. Consider star connected R load.

What is the B phase voltage when only T1 and T2 are conducting from 60° to 120°. Consider star connected R load.

If the SCR T1 is gated at 0°, then for 120° mode of operation, from ωt = 240° to 300° __________ devices would conduct.

The 120° mode of operation of a three phase bridge inverter requires ___________ number of steps.

The peak value of the line voltage in case of 120° mode of operation of a three-phase bridge inverter is

Safe commutation can be achieved in case of the ____________ operating mode.