• Partial Discharge- Level of continueous activity vs peak levels from non-periodic arcing
  • Vibration- Velocity levels at Transformer dominant frequency of 120Hz
  • Sound Level- C-Weight levels vs A-Weighted filtered data
  • Oil Analysis- Gasses and Quality reviewed for levels and trends
  • Infrared- #1 Switchyard problem finding tool, compliments all other technology
  • Acoustic Energy- Source location tool, necessary for benchmarking