Measurement and Analysis for High-frequency Transmission Characteristics of the Potential Transformer using ABCD Parameters

被引：0
|
作者：
Kim H. [1 ]
Kim K. [1 ]
Hae P.M. [2 ]
Shim S. [1 ]
Choi J.-K. [2 ]
Nah W. [1 ]
机构：
[1] Dept. of Electrical and Computer Engineering, Sungkyunkwan University
来源：
Transactions of the Korean Institute of Electrical Engineers | 2022年 / 71卷 / 05期
关键词：
ABCD parameter; potential transformer; S-parameter; transfer characteristics; voltage gain;
D O I：
10.5370/KIEE.2022.71.5.766
中图分类号：
学科分类号：
摘要：
This paper presents a measurement setup and network parameter-based analysis methodology for high-frequency transmission characteristics analysis between the primary and secondary sides of a PT (potential transformer). The raw data was extracted by measuring a scattering parameter (S-parameter) using a vector network analyzer. ABCD parameters were obtained using the measurement data to analyze the transmission characteristics of the transformer, and the source-transformer-load model was introduced to define the voltage and current gains considering the terminating impedance and input impedance applied to the transformer. Representative sine wave and square wave was applied to analyze the high-frequency transmission characteristics. In order to analyze the surge transmitted to the secondary system when applied to the actual system, the waveform of the IEC standard was generated and applied. When the load resistance is 1 MΩ, the voltage gain converted from the ideal turns ratio is applied to the input signal was confirmed that the maximum value of surge corresponding to about 1.9 times was formed. Copyright © The Korean Institute of Electrical Engineers
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页码：766 / 775
页数：9
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