Low temperature and moisture effects on polarization and depolarization currents of oil-paper insulation

I Fofana, H Hemmatjou, M Farzaneh - Electric Power Systems Research, 2010 - Elsevier
In the last decades, dielectric testing techniques are being used and investigated as
potential tools for condition assessment of oil-paper insulation. From fields and laboratory …

Investigations of temperature effects on the dielectric response measurements of transformer oil-paper insulation system

TK Saha, P Purkait - IEEE Transactions on Power Delivery, 2007 - ieeexplore.ieee.org
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 …

Low temperature and moisture effects on oil-paper insulation dielectric response in frequency domain

I Fofana, H Hemmatjou, F Meghnefi… - 2009 IEEE Electrical …, 2009 - ieeexplore.ieee.org
Results of Frequency Domain Spectroscopy measurements are known to be largely
influenced by environmental conditions, such as the temperature. From fields and laboratory …

On the frequency domain dielectric response of oil-paper insulation at low temperatures

I Fofana, H Hemmatjou, F Meghnefi… - … on Dielectrics and …, 2010 - ieeexplore.ieee.org
Results of Frequency Domain Spectroscopy measurements are known to be largely
influenced by environmental conditions, such as the temperature. Because field …

[PDF][PDF] Measurement and analysis of dielectric response in oil-paper insulation systems

V Der Houhanessian - 1998 - research-collection.ethz.ch
The measurement of dielectric response of oil-paper insulation systems in the time or
frequency domain provides novel diagnostic methods for quality control of medium and high …

Influence of temperature on polarization and depolarization current of oil-paper insulation

Z Ma, R Liao, X Zhao, Y Wang… - … Conference on High …, 2012 - ieeexplore.ieee.org
Temperature is one of the most crucial factors that influence the field measurement results of
dielectric response methods. The distribution of moisture between oil and paper in a …

Frequency-domain spectroscopy of oil and oil-impregnated pressboard with DC bias

J Hao, Y Xie, N Taylor - IEEE Transactions on Dielectrics and …, 2022 - ieeexplore.ieee.org
Dielectric response measurement is widely used to characterize oil/oil-impregnated
pressboards in order to evaluate the condition of transformer insulation. Insulation systems …

Influence of temperature and moisture on the dielectric response of oil-paper insulation system

H Provencher, B Noirhomme… - 2008 Annual Report …, 2008 - ieeexplore.ieee.org
Since a few years, non-destructive techniques for assessment of power transformer
insulation systems have been developed. The dielectric response in time and frequency …

Compensating the effect of temperature variation on dielectric response of oil-paper insulation used in power transformers

A Baral, S Chakravorti - IEEE Transactions on Dielectrics and …, 2016 - ieeexplore.ieee.org
Being an offline measurement technique, Polarization Depolarization Current (PDC) data is
conventionally measured after the oil-paper insulation of the equipment reaches thermal …

Reliable assessment of oil-paper insulation used in power transformer using concise dielectric response measurement

D Mishra, A Baral, S Chakravorti - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Oil-impregnated paper is usually the preferred choice of insulation in power transformers.
The working life of any transformer depends on its insulation condition. The paper …