Comparative Study of Thyristor vs IGBT Based AC-DC Power Converter

Md. Saiful Islam, Md. Rifat-Ul-Karim Shovon, Abdul Goffar Khan
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Abstract

This paper presents a comparative study of the application of Thyristor versus IGBT in AC-DC controlled power converter. Both simulation and practical experiment have been carried out to test the relationship between the average output voltage (Vdc) with firing angle (α, for Thyristor) and triggering pulse width (, for IGBT). Also the total harmonic distortion (THD) has been observed in both the cases. It is observed that IGBT based power converter introduces more harmonics in the system, in spite of more symmetrical output voltage wave shape.
基于晶闸管与IGBT的交直流功率变换器的比较研究
本文对可控硅与IGBT在交直流控制功率变换器中的应用进行了比较研究。通过仿真和实际实验测试了平均输出电压(Vdc)与发射角(α,对于晶闸管)和触发脉宽(胸片,对于IGBT)之间的关系。在这两种情况下也观察到总谐波失真(THD)。结果表明,基于IGBT的功率变换器虽然输出电压波形更加对称,但在系统中引入了更多的谐波。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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