What is 100%
protection of
generator? Why
95% protection
is used not 100%?
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Answer Posted / dr. s.r.krishnamurthy
If a fault occurs at say 98%th portion of generator phase
winding reconed from the phase terminal, the voltage
induced in that balance 2% winding is not sufficient to
drinve a fault current through the differential relay.
Hence intentionally 100% protection relay is not used.
| Is This Answer Correct ? | 2 Yes | 8 No |
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