Hydroelectric facility upgrades by rehabilitating major equipment

Location: United States

Segment: Hydroelectric

Problem: Electrical gear obsolete and in poor condition

Solution: Upgrade and rehabilitate the electrical distribution system

Results: Equipment upgrade, two substations and utility coordination

Project Overview

The generation facility consists of eight turbine generators that generate at 4160V.Eaton was selected to provide a new electrical infrastructure for the plant which had not been in operation for 14 years.

Project Highlights

• Design-build project
• Relay protection package
• 4.16-13.8kV substation
• Utility interconnection substation 4.2 miles from plant
• New arc resistant switchgear
• New AC station service system
• DC system and battery
• High resistance grounding
• Revenue metering
• All new cabling and bus work
• Generator step up transformer
• Two MCC’s
• Fire detection system
• Security system
• All new lighting for two powerhouses and outdoor substations
• Short circuit and load flow studies
• Arc flash analysis
• Test and commission all systems
• Provide operator and maintenance training
• Drawing package and O&M manuals