These engineering drawings detail the design and specifications for generator step-up (GSU) transformers for the Oahe and Fort Peck Dams power plants. The technical drawings include multiple sheets covering transformer configurations, temporary storage and staging locations, vault and pedestal details, electrical schematics, monitoring systems, wiring methods, and terminal block connections. Specifically, the drawings show plans for:
10 new GSU transformers at Oahe Dam
2 new GSU transformers at Fort Peck Dam
Detailed layouts for transformer tanks, windings, cooling systems, control cabinets, and monitoring equipment
Fiber-optic temperature probes and monitoring configurations
Electrical and control wiring diagrams
Mounting and vault installation specifications for 115kV and 230kV transformers
Grounding, oil containment, and cable protection details
