Ester Insulation: Check the Dielectric Reference Library
Changing liquid changes the reference system,…
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Ageing Products or Moisture? Design the Dielectric Comparison
Ageing and moisture can both alter dielectric…
Read full articleNonuniform Moisture: What an Equivalent DFR Result Hides
A uniform fitted moisture value summarizes th…
Read full articleXY Dielectric Models: Carry Geometry Uncertainty
An XY model can compensate for an incorrect g…
Read full articleOil Conductivity and Paper Moisture: Test Identifiability
A low fit residual does not prove that oil co…
Read full articleTemperature Shifting: Inspect the Dielectric Residuals
A single horizontal shift can align one part …
Read full articleTime and Frequency Dielectric Data: Check the Overlap
A time-domain trace and a frequency sweep can…
Read full articleRecovery Voltage: Why One Peak Cannot Measure Moisture
The recovery peak depends on the test history…
Read full articleElectrometer Drift in Long PDC Measurements
A slowly changing background can resemble a s…
Read full articleDielectric Memory After Winding Resistance Testing
Magnetic remanence and dielectric residual ch…
Read full articleGuarding Surface Leakage in Dielectric Tests
A guard changes which current reaches the mea…
Read full articlePDC Charging Time and the Slow Response Window
A short charging stage can hide or alter the …
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