Causes of transformer failures and diagnostic methods - A review

被引：135

作者：

Christina, A. J. ^{[1
]}

Salam, M. A. ^{[1
]}

Rahman, Q. M. ^{[2
]}

Wen, Fushuan ^{[1
]}

Ang, S. P. ^{[1
]}

Voon, William ^{[3
]}

机构：

[1] Univ Teknol Brunei, Fac Engn, Dept Elect & Elect Engn, Mukim Gadong A, Brunei

[2] Univ Western Ontario, Fac Engn, Dept Elect & Comp Engn, London, ON, Canada

[3] Berakas Power Management Co, Berakas, Brunei

来源：

RENEWABLE & SUSTAINABLE ENERGY REVIEWS | 2018年 / 82卷

关键词：

High voltage bushing failure; Transformer failure; Bushing diagnostics; SEM; EDS; Transformer diagnostics; PARTIAL DISCHARGE THEORY; INSULATION;

D O I：

10.1016/j.rser.2017.05.165

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper presents a review on the sources of failures of transformer in the substation. Different investigations and test analyses have been conducted to identify the root causes of failure of the transformer in the power system, and to identify the preventive measures to avoid these breakdowns. The review work has been presented with the focus on bushing-failure, which has been identified as one of the major causes of transformer breakdown in different reported studies. In determining the lifespan of the insulation of the high voltage bushing, along with different factors, moisture effect has also been considered in presenting the degradation analysis. On-line measurement has been preferred over off-line measurements due to its benefits measuring the reliability and uninterrupted functioning of the future generation, transmission and distribution systems. Post fire-outbreak, external inspection of the damaged bushing along with analytical results, obtained with the aid of Scanning Electron Microscope (SEM) and Energy Dispersive X-ray Spectroscopy (EDS) analysis, have also been included in this study. In the analysis, electric field and equipotential lines with different oil levels have been simulated using COMSOL Multiphysics software.

引用

页码：1442 / 1456

页数：15

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