Secondary current distortion of inductive current transformer in conditions of dips and interruptions of voltage in the power line
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- 作者：M. Kaczmarek ; michal.kaczmarek@p.lodz.pl" class="auth_mail" title="E-mail the corresponding author
- 关键词：Distortion of transformed current ; Inductive current transformer ; Magnetic flux ; Dips and interruptions ; Variation of primary current rms value
- 刊名：Electric Power Systems Research
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：137
- 期：Complete
- 页码：1-5
- 全文大小：510 K
文摘
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The connection between magnetic flux and inductive CT transformation accuracy is discussed.
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The results indicate why variation of inductive CT's primary current rms value causes additional distortion of its secondary current.
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It is explained how rapid changes of inductive CT’ primary current cause overvoltage.
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Inductive CT operation for dips/interruptions of power line's supply voltage is analyzed.
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It is presented how to ensure repeatability of measurement results with the usage of FFT algorithm.