Three phase star connected PT transformer primary side one
phase fuse is blown what will be the output in secondary
side(Secondary side also three phase star connected)
Answers were Sorted based on User's Feedback
Answer / ram
if star connected -- two phases will work(two PTs will work)
if delta connected -- only one phase will work(refer to
single phasing problem)
Is This Answer Correct ? | 1 Yes | 2 No |
Answer / ved prakash
This is in order to compensate for phase shift due to Star/Delt or Delta/Star connections of primary and secondary windings. Becuase if the phase shift is not compensated, differential protection will operate.
Is This Answer Correct ? | 2 Yes | 6 No |
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