Answer Posted / d ramesh

11KV side(delta)
Line side 3core CT :1No. for metering, O/C&E/F protection,
Differential protection with ICT.

0.433KV(Star)
Nuetral CTs :1core for Standby E/F 5p20
Line CTs :3core CT:1No for metering, O/C&E/F
protection,Differential protection with ICT.

1No. 1-core CT in LV nuetral of Transformer of class 5P20
for earth fault protection.

panel side in the panel itself remaining CTs can be
provided for metering, O/C&E/F, and differential cores with
ICT. In both HV panel & LV panel.

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