OneLine Engineering provided detailed electrical and P&C engineering services for the upgrade of the 23 MW generating unit, including the replacement of the generator protection system. The scope of work included:
• Detailed design of the protection relay panels for the generator protection
• Production of the related electrical drawings including, AC and DC schematics, trip logic diagrams and connection wiring diagrams, cable schedules
• Integration of the new generator protection and control system with the existing Hollingsworth transformer station
• Preparation of an equipment specification for the procurement of the relay panels
• Perform an arc flash study for generator output system
• Preparation of the protection relay programming files
• Construction and commissioning assistance