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.
