Overview Flashcards
1
Q
What does Dielectric test for?
A
Insulation System health of Transformer, Bushings, and Surge Arresters (Power Factor and Capacitance).
2
Q
What does Exciting Current & Losses test for?
A
Core Magnetizing current. Expand?
3
Q
What do Leakage Reactance & Loss + Frequency Response Analysis (FRA) test(s) look for?
A
Mechanical Integrity.
4
Q
What does Turn-to-Turn Ratio (LV TTR & Doble TTR) test look for?
A
Turns Ratio of a Transformer.
5
Q
What does Winding Resistance test look for?
A
LV, HV, TV, winding DC resistance.
6
Q
What does Insulating Fluid (DGA, Moisture, etc.) test for?
A
Oil analysis. Most important test to run, also best bang for your $$$.
