Winding condition assessment of power transformers based on vibration correlation

K Hong, H Huang, J Zhou - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
In this paper, a winding condition assessment model using vibration signals is presented,
which can be used to diagnose power transformers online. The basic principle of this model …

Vibration transmission from internal structures to the tank of an oil-filled power transformer

M Jin, J Pan - Applied Acoustics, 2016 - Elsevier
The vibration of a transformer tank is related to the transformer's noise radiation and health
condition. Therefore, it is important to understand the transmission of vibration from internal …

Multi-frequency acoustic signal under short-circuit transient and its application on the condition monitoring of transformer winding

Y Shi, S Ji, F Zhang, F Ren, L Zhu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The large current flowing through transformer windings during external short-circuit events
causes strong vibration, and the tank emits multi-frequency sound. This paper investigates …

A method of real-time fault diagnosis for power transformers based on vibration analysis

K Hong, H Huang, J Zhou, Y Shen… - … Science and Technology, 2015 - iopscience.iop.org
In this paper, a novel probability-based classification model is proposed for real-time fault
detection of power transformers. First, the transformer vibration principle is introduced, and …

A Mechanical-Electromagnetic Coupling Model of Transformer Windings and Its application in the Vibration-based Condition Monitoring

S Wu, F Zhang, Y Dang, C Zhan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Winding vibration leads to the oscillation of coils position and further affects winding's
nonlinear stiffness as well as electromagnetic forces (EMFs). This paper establishes a …

An experimental study of winding vibration of a single-phase power transformer using a laser Doppler vibrometer

J Zheng, J Pan, H Huang - Applied Acoustics, 2015 - Elsevier
Transformer tank vibration has been used for the condition monitoring and fault diagnosis of
power transformers, as well as for the evaluation of radiated sound power from such power …

Influence of moisture dependency of pressboard on transformer winding clamping pressure

L Naranpanawe, C Ekanayake, TK Saha… - … on Dielectrics and …, 2017 - ieeexplore.ieee.org
Short circuit (SC) strength of a power transformer is influenced by its winding clamping
pressure. The required level of clamping pressure is selected at the design stage based on …

[PDF][PDF] Transmission of vibration of a power transformer from the internal structures to the tank

M Jin, J Pan, H Huang, J Zhou - Proceedings of the Acoustics, 2012 - acoustics.asn.au
Vibration-based transformer condition monitoring aims to identify the conditions of a
transformer's internal structures, such as its windings and core, by measuring the vibration of …

Vibration characteristics of a disk-type winding simulated by coupled concentric rings

M Jin, J Pan - Applied Acoustics, 2016 - Elsevier
Mechanical faults in the winding are often related to the changes in the vibro-acoustical
response of the transformers with respect to the electromagnetic force in winding …

Compression behaviors of oil-immersed insulating pressed-boards made of kraft pulp

H Morooka, A Yamagishi, H Miyahara… - … on Dielectrics and …, 2014 - ieeexplore.ieee.org
We report on compression behaviors of oil-immersed insulating pressed-boards used in
transformers for analyzing the axial vibration of windings. Compression behaviors of oil …