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 R phase voltage when only T1 and T2 are conducting from 60° to 120°. Consider star connected R load. Correct Answer Vs/2

As only 2 SCRs are conducting at a time, it is 120 mode. When T1 and T2 are conducting, R phase is connected to the positive bus through the T1 SCR and B phase is connected to the negative bus through the T2 SCR. Considering that the load is a balanced R load. VRN = Vs/2 VYN = -Vs/2.
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