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define differential current and restraining current in relays.
how to calculate it by mathematically? post the formulaes.

Answer Posted / amudhavanan

TO calculate differential current
I=/I1+I2+..../ i.e The sum of all the feeder currents
connected to the bus
incase of restraining current
I=/I1/+/I2/+..... i.e The vector sum of all the feeder
cureents

Is This Answer Correct ?    15 Yes 7 No



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