[HTML][HTML] In-depth exploration of partial discharge modelling methods within insulations

HN Afrouzi, A Hassan, DTY Chee… - Cleaner Engineering …, 2022 - Elsevier
Partial discharge (PD) activities are the essential contributor of insulation failure, which
constitute more than 60% for damaging high voltage equipment. This article presents a …

A real-time transformer discharge pattern recognition method based on CNN-LSTM driven by few-shot learning

Q Zheng, R Wang, X Tian, Z Yu, H Wang… - Electric Power Systems …, 2023 - Elsevier
The safe application of discharge equipment, such as transformers, is related to the
reliability of smart power grid and is crucial to the stable operation of the power system …

Review of Modeling Approaches for Conjugate Heat Transfer Processes in Oil-Immersed Transformers

I Smolyanov, E Shmakov, D Butusov, AI Khalyasmaa - Computation, 2024 - mdpi.com
This review addresses the modeling approaches for heat transfer processes in oil-immersed
transformer. Electromagnetic, thermal, and hydrodynamic thermal fields are identified as the …

Mathematical model for the management of the wave processes in three-winding transformers with consideration of the main magnetic flux in mining industry

MS Seheda, OS Beshta, PF Gogolyuk… - … of Sustainable Mining, 2024 - yadda.icm.edu.pl
The aim of the work is to study the wave processes in three-winding power transformers
caused by impulse overvoltage, to create an improved mathematical model for reproducing …

Analysis of Interturn Faults on Transformer Based on Electromagnetic-Mechanical Coupling

N Zhu, J Li, L Shao, H Liu, L Ren, L Zhu - Energies, 2023 - mdpi.com
A running transformer frequently experiences interturn faults; they are typically difficult to
detect in their early stages but eventually progress to interturn short circuits, which cause …

Vibration Scale Model of a Converter Transformer Based on the Finite Element and Similarity Principle and Its Preparation

H Wang, L Zhang, Y Sun, L Zou - Processes, 2023 - mdpi.com
A similarity criterion suitable for studying the vibration characteristics of converter
transformers is proposed based on comprehensive consideration of geometric dimensions …

Highly-efficient graphene pressure sensor with hierarchical alarm for detecting the transient internal pressure of transformer bushing

T Jiang, T Zhang, Y Li, S Zeng, Q Liu, M Bi - Journal of Electrical …, 2023 - Springer
The safe operation of power transformer is vital to the reliability of modern power network.
The bushing is a key component of transformer that serves to connect the transformer …

A novel method to enhance partial discharge localization accuracy using sectional winding analysis and a neural network-based learning vector quantization model

A Mohammadirad, AAS Akmal, MH Samimi - Electric Power Systems …, 2025 - Elsevier
Timely detection of insulation faults in power transformers is essential to prevent damage,
outages, and financial losses. Locating partial discharge (PD) sources in transformers with …

[HTML][HTML] Magnetic core effects on the high-frequency behavior of transformers

F Nasirpour, MG Niasar, M Popov - … Journal of Electrical Power & Energy …, 2024 - Elsevier
This paper investigates the high-frequency transformer losses attributed to eddy currents in
both conductors and the core. A comprehensive model of a transformer winding is …

Machine-Learning Supported Localization of Partial Discharges in Real-Size Transformer Winding Using Noninvasive Capacitively-Coupled Pulse Injection

HM Tavasani, W Ziomek, B Kordi - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Partial discharges (PDs) in transformer windings can lead to failures, causing power grid
instability and outages. Therefore, early detection and accurate localization of PD incidents …