OneLine Engineering provided complete electrical engineering and design services for upgrading the protection systems and associated cabling. The scope of work included:
• Design of new protection relaying schemes for the 115 kV line protection, transformer protection and 12 kV bus protection, including detailed drawings required for the relay panel assembly
• Production of all related electrical drawings including single line diagrams, AC & DC schematics, trip logic diagrams, equipment layouts, cable and termination schedules and cable tray layouts
• Design of temporary cabling as required for system change over during construction
• Integration of the new protection system alarms with the existing SCADA system
• Construction and commissioning assistance