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Tap Changer University
We can provide a one day seminar on tap changers:
•DC
testing transformers
•OLTC
Fundamentals
principles of operation of OLTC resistance and reactance types arcing tap switch diverter selector vacuum types
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OLTC Diagnostics: dynamic recording of tap changer operation evaluation of dynamic graphs in order to pinpoint defects of OLTCs
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OLTC Diagnostics: DGA key gases for different OLTC types gas ratios and methods of evaluation
•Case studies from the AMforum Knowledge Base
mechanical, electrical defects, contact problems, coking, wear
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