Since a few years, non-destructive techniques for assessment of power transformer
insulation systems have been developed. The dielectric response in time and frequency …

Dielectric testing techniques, in both time and frequency domains, are currently widely used
by power utilities for assessment of the condition of transformer oil-paper insulation systems …

Frequency domain measurements of oil-paper insulation systems provide novel diagnostic
methods for assessing the aging and moisture content in the insulation layers of power …

Measurements of Dielectric Response in Frequency domain is being employed for
assessing the condition of the paper-oil insulation system in Transformers. The laboratory …

Dielectric testing techniques, in both time and frequency domains are currently being widely
used by the power utilities for the assessment of the condition of transformer oil-paper …

This paper describes the unique characteristics of the oil-paper insulation system utilized in
power transformers, their influence on the dielectric response and means for proper …

Dielectric testing techniques such as frequency domain spectroscopy (FDS) is currently
being widely used by the power utilities for the assessment of the condition of transformer oil …

For reliable operation of power transformers, the condition of the insulation system is
essential. This paper reports on a detailed study of the effect of ageing, temperature and …

Frequency domain measurements of oil-paper insulation systems provide novel diagnostic
methods for assessing the aging and moisture content in the insulation layers of power …

Dissipation factor (tan delta) and capacitance measurement at power frequency (50 Hz) has
been commonly used to diagnose the insulation integrity and condition of transformers. The …