Time–Frequency Decomposition Based Protection Scheme for Power Transformer—Simulation and Experimental Validation
A new protection scheme for power transformers using time–frequency decomposition is
presented. On detecting an abnormal condition based on the average energy of both sides …
presented. On detecting an abnormal condition based on the average energy of both sides …
Efficient practical method for differential protection of power transformer in the presence of the fault current limiters
A Sahebi, H Askarian‐Abyaneh… - IET Generation …, 2023 - Wiley Online Library
The algorithms of the present generation of practical differential relays are based on two
methods. The first method is based on the ratio of the harmonic content of the differential …
methods. The first method is based on the ratio of the harmonic content of the differential …
Accurate fault diagnosis in transformers using an auxiliary current-compensation-based framework for differential relays
A Ameli, M Ghafouri, HH Zeineldin… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article proposes an auxiliary framework to address the challenges of transformer
differential protection for single-phase transformers or three-phase transformer banks. This …
differential protection for single-phase transformers or three-phase transformer banks. This …
Divergence distance based index for discriminating inrush and internal fault currents in power transformers
M Tajdinian, H Samet - IEEE Transactions on Industrial …, 2021 - ieeexplore.ieee.org
This article puts forward a new algorithm based on Kullback–Leibler divergence (KLD) for
discriminating inrush and internal fault currents in power transformers. Specifically, the main …
discriminating inrush and internal fault currents in power transformers. Specifically, the main …
[HTML][HTML] A detailed testing procedure of numerical differential protection relay for EHV auto transformer
In power systems, the programmable numerical differential relays are widely used for the
protection of generators, bus bars, transformers, shunt reactors, and transmission lines …
protection of generators, bus bars, transformers, shunt reactors, and transmission lines …
A statistical framework for identification of crucial switches in automated distribution networks
D Bhowmick, D Sarkar, N Acharya - Electric Power Systems Research, 2025 - Elsevier
This study aids in finding out the critical switches of the system that will help in network
reconfiguration to minimize losses and to enhance the voltage profile of the system in load …
reconfiguration to minimize losses and to enhance the voltage profile of the system in load …
Experimental Study of the Dynamic Short-Circuit Withstand Capability of an 8400 kVA Power Transformer Specially Designed for Photovoltaic Applications
CE Sălceanu, C Dobrea, D Ocoleanu, M Nicola… - Machines, 2023 - mdpi.com
This article, besides offering data of great value for any designer of high-power short-circuits
of special three-winding design, illustrates the correlation with the corresponding FRA …
of special three-winding design, illustrates the correlation with the corresponding FRA …
An Approach to Performing Stability Analysis for Power Transformer Differential Protection: A Case Study
Differential protection normally detects short circuits and ground faults in the windings of a
power transformer and its terminals. Inter-turn faults refer to flashovers among the electrodes …
power transformer and its terminals. Inter-turn faults refer to flashovers among the electrodes …
Curvature quantified Douglas-Peucker-based phasor measurement unit data compression method for power system situational awareness
Facing constraints imposed by storage and bandwidth limitations, the vast volume of phasor
measurement unit (PMU) data collected by the wide-area measurement system (WAMS) for …
measurement unit (PMU) data collected by the wide-area measurement system (WAMS) for …
A new protection method for the power transformers using Teager energy operator and a fluctuation identifier index
S Hasheminejad - Electric Power Systems Research, 2022 - Elsevier
Transformers are one of the most important tools of a power system. Differential protection
relays with the second harmonic restraint criterion are traditionally used for the transformer …
relays with the second harmonic restraint criterion are traditionally used for the transformer …