Effect of temperature on frequency dependent dielectric parameters of oil-paper insulation under non-sinusoidal excitation

AK Pradhan, B Chatterjee… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Frequency domain spectroscopy is a potential tool for non-invasive condition assessment of
oil-paper insulation in power equipment. On the other hand, it is well known that the results …

Estimation of paper moisture content based on dielectric dissipation factor of oil-paper insulation under non-sinusoidal excitations

AK Pradhan, B Chatterjee… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Frequency Domain Spectroscopy is a popular non-invasive method that is widely used for
condition assessment of oil-paper insulation in real-life power transformers. Conventional …

Condition evaluation of oil-paper insulation based on dielectric spectroscopy

S Yang, M Dong, G Zhang… - 2009 IEEE Conference on …, 2009 - ieeexplore.ieee.org
New techniques are necessitated to be introduced for the diagnosis of large oil-immersed
power equipments for the disadvantages of traditional methods such as not very good …

Reducing frequency domain spectroscopy measurement time for condition monitoring of transformer oil‐paper insulation using non‐sinusoidal excitations

S Chatterjee, AK Pradhan, S Dalai… - IET Science …, 2017 - Wiley Online Library
In conventional frequency domain spectroscopy (FDS) measurement, sinusoidal excitation
is applied to a composite oil‐paper insulation under test, for a minimum of two cycles over a …

Temperature compensation of frequency domain spectroscopy measurement for condition assessment of oil-paper insulation

S Chowdhury, N Haque, S Chatterjee… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
This article proposes a novel method for predicting frequency-domain spectroscopy (FDS)
characteristics of oil–paper insulation at a temperature, which is different from the …

Investigation of characteristic parameters for condition evaluation of transformer oil‐paper insulation using frequency domain spectroscopy

Y Wang, J Gao, R Liao, Y Zhang, J Hao… - … on Electrical Energy …, 2015 - Wiley Online Library
Frequency domain spectroscopy (FDS) is employed to evaluate the moisture content and
aging state of oil‐paper insulation in power transformers. Oil‐paper insulation samples with …

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 …

Physical model for frequency domain spectroscopy of oil–paper insulation in a wide temperature range by a novel analysis approach

J Xie, M Dong, B Yu, Y Hu, K Yang, C Xia - Energies, 2020 - mdpi.com
Frequency domain spectroscopy is considered to be a promising and novel method for the
assessment of the insulation condition of power equipment. This work has practical …

Quantitative analysis of insulation condition of oil-paper insulation based on frequency domain spectroscopy

R Liao, J Liu, L Yang, K Wang, J Hao… - … on Dielectrics and …, 2015 - ieeexplore.ieee.org
In order to distinguish the influences of moisture and aging on the frequency domain
dielectric response of oil-paper insulation and better apply frequency domain spectroscopy …

Frequency domain spectroscopy measurements of oil-paper insulation for energized transformers

X Yang, S Nielsen, G Ledwich - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Frequency Domain Spectroscopy (FDS) is proposed as a suitable diagnostic method in this
paper for implementation on energized oil-paper insulation systems. In present FDS tests …