Analysis of the GGD Vibroacoustic Detector of Power Transformer Core Damage

被引：0

作者：

Krupinski, Robert ^{[1
]}

Kornatowski, Eugeniusz ^{[1
]}

机构：

[1] West Pomeranian Univ Technol, Dept Signal Proc & Multimedia Engn, PL-71126 Szczecin, Poland

来源：

IEEE ACCESS | 2024年 / 12卷

关键词：

Vibrations; Detectors; Transformer cores; Windings; Power transformer insulation; Maximum likelihood estimation; Vibration measurement; Acoustics; Gaussian processes; Estimation; Vibroacoustic method; transformer core damage; generalized Gaussian distribution; estimation; GENERALIZED GAUSSIAN DISTRIBUTIONS; APPROXIMATED FAST ESTIMATOR; SHAPE PARAMETER; CLASSIFICATION; GENERATION; NOISE; MODEL; FRA;

D O I：

10.1109/ACCESS.2024.3382114

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Vibroacoustic diagnostics (VM-Vibroacoustic Method) is one of the methods for diagnosing the active part of power transformers. One of the recently published objective method for the detection of transformer unit core damage was based on the analysis of the statistical properties of the vibration signal registered on the surface of the tank of an unloaded transformer in the steady state of vibrations. The GGD vibroacoustic detector of power transformer core damage is based on the relative changes in vibration power as a function of frequency and the generalized Gaussian distribution (GGD). The article shows how to configure the detector in order to reduce the variance at the detector output and speed up the detection.

引用

页码：45752 / 45761

页数：10

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