engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Power Systems Protective Relays Differential Relays

In biased differential relay, the percentage bias with CT current i1 and i2 is given by:

1
\(\dfrac{100(i_1 + i_2)}{(i_1 - i_2)}\)
2
\(\dfrac{100(i_1 - i_2)}{(i_1 + i_2)}\)
3
\(\dfrac{200(i_1 + i_2)}{(i_1 - i_2)}\)
4
\(\dfrac{200(i_1 - i_2)}{(i_1 + i_2)}\)
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