Investigation on Frequency Response Analysis Measurement Method for Power Transformer Impedance

被引：0

作者：

Ishizaka, Kohei ^{[1
]}

Koshizuka, Tadashi ^{[1
]}

Ikeda, Hisatoshi ^{[2
]}

Taniguchi, Yasuhiko ^{[2
]}

Haginomori, Eiichi ^{[2
]}

机构：

[1] Tokyo Denki Univ, Fac Engn, Dept Elect & Elect Engn, Tokyo, Japan

[2] Univ Tokyo, APET, Tokyo, Japan

来源：

2016 IEEE/PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION (T&D) | 2016年

关键词：

transformer; frequency response; impedance; condition diagnosis;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The frequency response analysis of transformer has been expected to be a good method for diagnosing the transformer condition. As the transformer impedance is affected by the configuration, the change of the impedance will be a good indicator for the change of the transformer configuration. The method which has been recognized cannot achieve the measurement of current flowing through the stray capacitance to the earth. The measured impedance was not correct at the high frequency range where an influence of the capacitance becomes large. In this paper, the new method was proposed in which the resistor for the current measurement is connected to the terminal of the power application and its value is adjusted. It is shown that the correct measurement can be achieved by the proposed one document.

引用

页数：5

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