Sir, In our 110kv substation we using P154 o/c & e/f numerical relay on 11 kv feeders. When feeder tripped on e/f we get some data from relay like, Ia=316A, Ib=972A, Ic=373A, In1=869A, In2=896A, I2=280A, I1=371A, I2/I1=0.75.what does it each notations mean. I hope clarify my doubt . Thank you
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Sir,
In our 110kv substation we using P154 o/c & e/f numerical relay on 11 kv feeders. When feeder tripped on e/f we get some data from relay like, Ia=316A, Ib=972A, Ic=373A, In1=869A, In2=896A, I2=280A, I1=371A, I2/I1=0.75.what does it each notations mean. I hope clarify my doubt .
Thank you
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