Supply and Retrofitting of Numerical relays for 132/33 KV Transformer Panels

Supply of Relays Suitable for 2-winding Transformer differential with 12 DI,12 DO, 8CT, 1VT as per IEC61850 protocol for Non SCADA System.

Supply of Relays Suitable for 2-winding Transformer for Non-Directional Over current & Earth fault feature with Trip circuit supervision feature having 5DI, 7DO, 4CT, 4PT as per IEC61850 protocol for Non SCADA System.

Supply of Relays Suitable for 2-winding Transformer for 3 element Auxiliary Relay having both self and hand reset as per IEC61850 protocol for Non SCADA System.

Supply of Master trip Relays Suitable for 2-winding Transformer for high speed tripping Relay having 4 hand reset contacts as per IEC61850 protocol for Non SCADA System.

Complete Retrofitting Testing and commisioning of Relays as required for 132/33 KV Transformer Panels for Non SCADA System.Works Includes :-

Design and RE-Engineering for the Protection Scheme

Testing & Commisioning of Offered Numerical Relays

Removal of existing Protection Relays

Supply of Required Wiring Materials and Blanking Plates for Mounting and Wiring of Protection Scheme during site activities.

P&H Engineering

MASHEL ELECTRIC