Replacement of Distance relay with overcurrent and earth fault relay (96 substations)

Replacement of Distance relay with overcurrent and earth fault protection relay for 33KV U/G feeders in 96 substations in central area.

Providing the engineering & design services for providing of 33KV U/G feeder protection in 96 substations.

Preparing SLD with CT & VT data, CT sizing calculations, Modification of the panel’s front layout, Modification of protection logic diagram, Panel Interfacing, Relays setting calculations & Relay Coordination study, Preparation of power and control cable schedule and SCADA point list modification.