Causes of transformer failures and diagnostic methods–A review

AJ Christina, MA Salam, QM Rahman, F Wen… - … and Sustainable Energy …, 2018 - Elsevier
This paper presents a review on the sources of failures of transformer in the substation.
Different investigations and test analyses have been conducted to identify the root causes of …

[PDF][PDF] Regular paper Failures Analysis and Reliability Calculation for Power Transformers

M Mirzai, A Gholami, F Aminifar - J. Electrical Systems, 2006 - academia.edu
Failures of transformers in sub-transmission systems not only reduce reliability of power
system but also have significant effects on power quality since one of the important …

Tribological and electrical properties of silica‐filled epoxy nanocomposites

MG Veena, NM Renukappa, B Suresha… - Polymer …, 2011 - Wiley Online Library
The tribological and electrical properties of epoxy composites filled with nano‐sized silica
particles are studied and discussed in this article. To enhance the interfacial interaction …

Seismic mitigation of porcelain cylindrical electrical equipment using synergistic concept with base isolation and tuned mass damper

W Bai, W Zhu, MA Moustafa, J Dai - Earthquake Spectra, 2024 - journals.sagepub.com
Porcelain cylindrical electrical equipment (PCEEs), such as potential and current
transformers, are critical components of electrical substations and essential to power supply …

SiC power electronics packaging prognostics

G Bower, C Rogan, J Kozlowski… - 2008 IEEE Aerospace …, 2008 - ieeexplore.ieee.org
Electronic packages may be subjected to a wide array of potential failure modes throughout
their useful lifetimes. Package design for SiC power electronic devices must account for a …

Extending the applicability of insulator flashover models by regression analysis

S Venkataraman, RS Gorur - IEEE Transactions on Dielectrics …, 2007 - ieeexplore.ieee.org
A combination of experiments and regression analysis has been utilized to extend the useful
range of models for estimating flashover performance of insulators under contaminated …

Comparison of the electrical ageing under sinusoidal and square-wave stresses

R Acheen, C Abadie, T Lebey, T Billard… - 2018 IEEE Electrical …, 2018 - ieeexplore.ieee.org
The problematics of ageing in the Electrical Insulation Systems (EIS), especially in machines
fed by adjustable speed drives, have been studied in numerous scientific publications, and …

A study on the ageing process for polyester resin using improved Weibull statistics

M Ugur, A Kuntman, A Ersoy - Electrical Engineering, 2003 - Springer
Surface tracking on organic solid insulators is one of the main reasons for failure in high
voltage systems. Due to various factors, such as humidity, pollution, ice load, increase in …

A survey of methods of estimating lifetime and aging of assets in substations

IC Duran, OG Duarte - 2012 - IET
Research of degradation and aging of the life of the equipment in substations is of great
importance in order to achieve an improvement in asset management in key aspects such …

[PDF][PDF] Effect of filler on solid insulator surface and tracking length in high voltage systems

I Khan, MA Abid, Z Ullah, A Rashid - academia.edu
This paper presents the effect of different fillers on tracking length of electrical insulators.
Insulator samples were prepared using polyester resin-c and were tested according to …