The application of frequency response analysis in transformer winding distortion inspecting

被引：0

作者：

Dai, WJ ^{[1
]}

Liu, BB ^{[1
]}

Yang, L ^{[1
]}

Zhou, W ^{[1
]}

机构：

[1] Nanchang Univ, Dept Elect Engn, Nanchang 330029, Peoples R China

来源：

ICEMS 2005: Proceedings of the Eighth International Conference on Electrical Machines and Systems, Vols 1-3 | 2005年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Frequency response analysis (FRA) is a novelty way to monitor transformer internal winding distortions. After inputting frequency signal from one port of winding, measuring the characteristic parameter of the two ports of winding, such as inputting impedance, outputting impedance, current-transfer ratio and voltage-transfer ratio, etc., the structure character of the winding call he judged by analyzing the frequency map of terminal parameter characteristic. The use of the method is becoming more and more universal in engineering field because of its distinct superiority. The paper introduces the whole procedure of the way to test the distortion status of the transformer winding, that is, the basic principle of the frequency response analysis, the range of the test frequency, the amount choice of the scan, the influence factors in the test and the way to judge the result of the test. At the end, the paper presents the true examples of the original curve getting from certain power supply corporation in Jiangxi Province.

引用

页码：1759 / 1762

页数：4

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