Electrical Test & Relay

A core group of highly skilled Test and Relay Technicians. Execute relay calibration and electrical testing for both the nuclear and non-nuclear fleet.

Relay Services

Scope includes all relay calibrations, replacements, and troubleshooting support. Relay Team Tasks:

  • Generator Protection (Generator/Step-Up Transformer/Automatic Voltage Regulators)
  • Transmission & Distribution (Line / Transformer/Feeder/ Bus relaying)
  • Revenue Metering (NEXUS/Square D ION series)
  • 480 Breaker Secondary Trip devices e.g. AC-PRO
  • I&C Transducers (EHC systems etc.)
  • ENOSERV/ RTS (Relay software testing) and PowerBase
  • CT Testing
  • Control / Functional Checks /Troubleshooting /Repair
  • Maintenance and Capital Projects

Electrical Test Services

The following testing can be performed on Generators, Transformers, Breakers and Motors:

  • Partial Discharge
  • Flux Density
  • Insulation Resistance (P.I.)
  • Winding Resistance
  • HiPot
  • SFRA (Sweep Frequency Response Analysis
  • Power Factor – Windings, Bushings and Lightning Arrestors
  • Excitation
  • Leakage Reactance
  • Ratio
  • Timing
  • Contact Resistance
  • Vacuum Integrity
  • Online and Offline Motor Testing

For more information, please contact Jason Eagan, Maintenance Manager.