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What will happen to magnitude of voltage of other two
phases if one phasw will touch the ground?

Answers were Sorted based on User's Feedback

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?..

then it will be lg fault so arcing grounds will produce. so
voltage of the healthy phases become root three times of
phase voltage

 Is This Answer Correct ? 2 Yes 0 No

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?..

They remain unchanged.

 Is This Answer Correct ? 1 Yes 4 No

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?..

It is L-G fault . Hence I think we can find solution by dividing circuit in to three sequence network , ie Zero, positive and negative sequence networks..

 Is This Answer Correct ? 2 Yes 5 No

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