The analysis of the impact point of the power transformer core of torsional load on the measured parameters of the vibroacoustics signals

The research, whose results are presented in this paper, was conducted in the Institute of Electric Power Engineering of Opole University of Technology and focused on the development of the vibroacoustic method used to evaluate the condition of the mechanical structure of the magnetic circuit units...

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Bibliographic Details
Main Authors: Borucki, S., Cichon, A., Boczar, T., Fracz, P.
Format: Conference Proceeding
Language:English
Subjects:
acceleration
core
Current measurement
diagnostics
Force
power spectrum density
power transformer
Power transformers
Transformer cores
vibration
Vibration measurement
Vibrations
vibroacoustic method
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Summary:The research, whose results are presented in this paper, was conducted in the Institute of Electric Power Engineering of Opole University of Technology and focused on the development of the vibroacoustic method used to evaluate the condition of the mechanical structure of the magnetic circuit units operating in the national transformer system. The paper presents results of research work related to the development of the vibroacoustic method to evaluate the technical condition of power transformer cores. The paper presents the results of laboratory measurements and analysis of mechanical vibrations in the transformer core according to the variable torque twisting the screw yoke of the monitored unit. The aim of this work was to evaluate the torque twisting the yoke of the diagnosed object on the registered parameters of vibroacoustic signals which are used in the diagnosis of power transformers, magnetic circuits.
ISSN:1089-084X
DOI:10.1109/ELINSL.2012.6251452