Protection

Preparation & review of

• Protection Logic Diagram
• Relay & Metering one line diagram
• AC Elementary three line diagram
• TFR, PSE interfacing diagram
• Relay ordering code details & Protection Panel List
• Protection Panel & Relay data sheets/schedules
• GA & Schematic diagram of all Protection Panels, TFR Panel, Fault locator Panel etc.,
• Fault Current calculations, CT, VT & Metrosil Sizing Calculations, Relay Setting Calculations, Overcurrent & Earth Fault Relay coordination

Control & Automation

Preparation & review of

• Interlock logic block diagram, AVR & Transformer paralleling logic diagram and Auto Reclose logic diagram
• SAS/SCMS/DMS/DCS/LDC Architecture
• BCU IO List, SAS/SCMS Signal List, TIP List, DMS Signal list/datasheet, SCADA/TFR/ DSM/SOE/Annunication Point list
• GA & Schematic diagram of Local control cubicle, SAS/SCMS Server/Gateway Panels, LAN Panel, Common Alarm/annunication Panel, AVR Panel, Transformer Paralleling interlock panel, Synchrocheck Panel etc.

Communication

Preparation & review of

• Telecommunication layout/architecture
• Telecommunication BOQ, data sheets, channel list, GA & Schematic diagram

Other Services

• Control cable sizing calculations, laying schedule and interconnection/termination schedules
• GA & Schematic diagram for various substation equipment such as CB, Isolators, Transformers, Reactors, NGR, LVAC, LVDC etc.,
• Schematic diagrams interfacing works and Protection, control & communication system vendor offer review
• FAT inspection for Control, Protection and Metering Panels