Thorold Cogeneration Project 230 kV Switchyard – Control Building

Location: Thorold, Ontario

Owner: Northland Power

Contractor: EPTCON Ltd.

Project Summary

OneLine Engineering provided complete electrical engineering and design services for a modular control building to house the protection relays for the 230 kV switchyard located at the new cogeneration facility. The scope of work includes:

• Design of the protection relaying schemes for the line protection, transformer protection and bus protection, including detailed drawings required for assembly of the relay panels
• Production of all related electrical drawings including, AC & DC schematics, control building equipment layouts, cable and termination schedules, control building grounding and lighting layouts
• RTU communications integration with IESO/HONI
• Construction and commissioning assistance