1.

What are the phase voltages when T1, T2 and T3 are conducting? Consider a star connected R load.

A. VYN = VBN = VRN = 0
B. VYN = VRN = Vs/3, VBN = – 2Vs/3
C. VRN = VBN = – Vs/3, VYN = 2Vs/3
D. VYN = VBN = Vs/3, VRN = – 2Vs/3
Answer» C. VRN = VBN = – Vs/3, VYN = 2Vs/3


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