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Category: Field Testing

Transformer Testing
Field Testing
Dexotech Power

What is Transformer Dielectric Frequency Response Analysis

Transformer Testing: Dielectric Frequency Response(DFR) What is DFR? Dielectric Frequency Response(DFR) analysis, is mainly used to assess the moisture content of the cellulose insulation.  Moisture in oil-paper insulated power transformers is due to ingress via leaky seals

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