Power Transformer Health Concepts

All matters affecting the health of a power transformer are discussed in this section.

Friday, March 22, 2019

Duvals Triangle Method

The Duval Triangle Method makes use of the three combustible gases CH4, C2H4 and C2H2 that are transformed for representation in a triangular plot. The triangle is able to differentiate the fault types partial discharges, electrical faults (high and low energy arcing), and thermal faults (hot spots of various temperature ranges). Each point is derived from the percentage...