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In the figure shown below, what will be the line voltage?

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in Network Theory by (157k points)
In the figure shown below, what will be the line voltage?

(a) VBR

(b) VBN

(c) VRN

(d) VYN

The question was posed to me in an online interview.

My query is from Inter Connection of Three-Phase Sources and Loads in chapter Polyphase Circuits of Network Theory

1 Answer

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Right answer is (a) VBR

For explanation I would say: The star connected system formed will supply equal line voltages displaced 120^ from one another and acting simultaneously in the cicruit like three independent single phase sources in the same frame of a three phase alternator. Line voltage = VBR. And VRN , VYN and VBN are not line voltages.

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