Theoretical and Experimental Investigation of Dual-impedance Phenomenon in Thyristor-controlled Series Capacitor

Theoretical and Experimental Investigation of Dual-impedance Phenomenon in Thyristor-controlled Series Capacitor
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晶闸管控制串联电容器双阻抗现象的理论与实验研究

DOI:
10.1080/15325000903571541
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发表时间:
2010-05
影响因子:
1.5
通讯作者:
Lee, Wei-Jen
Lee, Wei-Jen
中科院分区:
工程技术4区
文献类型:
--
作者:
Li, Kejun;Zhao, Jianguo;Lee, Wei-Jen

文献摘要

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摘要 晶闸管控制的串联电容器所需的阻抗通常是通过调节晶闸管的触发角来获得的。明确触发角与等效晶闸管控制串联电容阻抗之间的关系具有重要意义。本文研究了晶闸管控制的串联电容器的阻抗特性,考虑了晶闸管导通和电抗器支路等效电阻的影响。通过数字仿真和动态仿真实验获得并证明了双阻抗现象。
Abstract The desired impedance of thyristor-controlled series capacitors is usually obtained by adjusting the firing angle of the thyristor. It is of great importance to make a clear relationship between the firing angle and the equivalent thyristor-controlled series capacitor impedance. This article studies the impedance characteristics of a thyristor-controlled series capacitor, considering the influence of thyristor conduction and the equivalent resistance in the reactor branch. The dual-impedance phenomenon is obtained and demonstrated by both digital simulation and a dynamic simulation experiment.
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