Protection Relay Setting Calculation for MV Bus Coupler with Directional Relay | Part 6 of 8

Relay setting calculation for 51, 67, 67N, 59 and 27 relays.

[@MrMaaa62]

Awaiting your guidance to add and integrated the donut C.T with multi-function relay in ETAP.

[@juliussalutan8006]

In ETAP there is no dedicated CT intended for ZCT. Same CT (ETAP default) is being used for all the applications