2021-08-03 at 11:08 am
#1303
For setting of relay 8.67 Amp. is correct . In fact 12.5 Amp. consists of two components resistive and capacitive . 12.5 Amp. is 8.67 *1.44 (root of 2) . 8.67 passes the earthing resistance or earthing transformer and initiates the relay and this is correct for setting of relay.