Course content
Test methods and standards
▪ Turn ratio test (TTR)
▪ Winding resistance measurement (MTO)
▪ Isolation testing (MIT/S1)
▪ Dielectric loss (DELTA)
▪ Breakthrough voltage of oil (OTS)
▪ Diagnostic tests
▪ Dielectric spectroscopy (DFR/FDS), state of isolation paper (IDAX, VAX)
▪ Sweep Frequency Response Analysis (FRAX)
▪ Multifunctional test equipment (TRAX)
Setup and handling of instruments
Measurement setup
Requirements
General knowledge of electrical grids and the role of the transformer.
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Location of course
Megger Sweden AB
Rinkebyvägen 19
SE-182 36 DANDERYD
Sweden