Electrical Engineering - Three-Phase Systems in Power Applications - Discussion

Discussion Forum : Three-Phase Systems in Power Applications - General Questions (Q.No. 13)
13.
If in a Y-connected ac generator, each phase voltage has a magnitude of 90 VRMS, what is the magnitude of each line voltage?
0 V
90 V
156 V
180 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Ramya said:   1 decade ago
How?

Phase vol is in max.

Hence 90 * sqrt(2) = 127.279221

Line value 90 *sqrt(2) * sqrt(3) = 220.454077.

It is this correct?


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