[PDF][PDF] Transformer internal winding faults diagnosis methods: A review

NC Joshi, YR Sood, RK Jarial… - MIT International Journal …, 2012 - scholar.archive.org
ABSTRACT A transformer is a vital component in any power system network and its
catastrophic failure may cause disturbance in the proper operation of electrical power …

Leakage inductances calculation for power transformers interturn fault studies

AJM Cardoso - IEEE Transactions on Power Delivery, 2014 - ieeexplore.ieee.org
This paper presents a general approach to compute the leakage inductances of power
transformers with turn-to-turn winding faults. The leakage inductances are obtained by using …

Numerical modelling of transformers interturn faults and characterising the faulty transformer behaviour under various faults and operating conditions

V Behjat, A Vahedi - IET electric power applications, 2011 - IET
Interturn short circuit faults are the leading cause of power transformer failures. If not quickly
detected, these faults usually develop into more serious faults that would result in …

Modeling and real-time fault identification in transformers

O Ozgonenel, E Kilic - Journal of the Franklin Institute, 2008 - Elsevier
In this paper, a different internal fault modeling and an identification algorithm are presented.
There has been an increasing concern about turn-to-turn faults in transformers because of …

An experimental approach for investigating low-level interturn winding faults in power transformers

V Behjat, A Vahedi - Electrical Engineering, 2013 - Springer
Interturn faults are one of the most prevalent and potentially destructive electrical faults in
power transformers. In spite of an extensive interturn fault detection literature, the issue still …

PCA based protection algorithm for transformer internal faults

E Kilic, O ÖZGÖNENEL, Ö USTA… - Turkish Journal of …, 2009 - journals.tubitak.gov.tr
In this paper a new protection scheme is introduced to detect and identify transformer
winding faults. The new approach is based on artificial neural networks (ANNs) using radial …

Electromagnetic model of turn‐to‐turn short circuits in transformers

G Díaz González… - … journal for computation …, 2004 - emerald.com
In the past years, there has been an increasing concern about turn‐to‐turn faults in power
transformers, due to the high costs that unexpected outages cause. It is not always possible …

Analysis of internal winding short circuit faults in power transformers using transient finite element method coupling with external circuit equations

V Behjat, A Vahedi - International Journal of Numerical …, 2013 - Wiley Online Library
Interturn short circuit faults are the leading cause of power transformer failures. If not quickly
detected, these faults usually develop into more serious faults, which would result in …

Analytical approach to internal fault simulation in power transformers based on fault-related incremental currents

G Díaz, P Arboleya… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
A new method for simulating faulted transformers is presented in this paper. Unlike other
methods proposed in the literature, this method uses the data obtained from any sound …

Modeling transformers with internal faults based on magnetic circuit. part i: Models

JR Espinoza, C Perez-Rojas - 2011 North American Power …, 2011 - ieeexplore.ieee.org
Internal fault detection in transformers provides early warning of electrical failure and could
prevent forced outages with the consequential costs. To detect and diagnose transformer …