Input Impedance Modeling of Single-Phase Voltage Source Rectifier With Consideration of Frequency-Coupling Effect

被引：0
|
作者：
Lin, Jianheng [1 ,2 ]
Su, Mei [1 ,2 ]
Xie, Shiming [1 ,2 ]
Sun, Yao [1 ,2 ]
Liu, Yonglu [1 ,2 ]
机构：
[1] Cent South Univ, Sch Automat, Changsha, Peoples R China
[2] Hunan Prov Key Lab Power Elect Equipment & Grid, Changsha, Peoples R China
来源：
PROCEEDINGS OF THE 15TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA 2020) | 2020年
基金：
中国国家自然科学基金;
关键词：
Input impedance; single-phase voltage source rectifier; frequency-coupling effect; POWER-SYSTEMS; SIGNAL;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Time-periodicity and non-linearity pose a challenge to the precise input impedance modeling of single-phase power converters. In this study, a precise input impedance model with measurability of the single-phase voltage source rectifier (VSR), which considers the frequency-coupling effect (FCE), is established. Meanwhile, it is revealed that the rectifier input impedance is dependent of the grid impedance. In the proposed modeling approach, only Laplace transform and frequency-shifting operation are required, which avoids the complicated convolution calculation in the frequency domain. In addition, the influence of grid impedance on the input impedance is studied. Simulations are conducted to verify the effectiveness of the proposed method.
引用
收藏
页码：1949 / 1954
页数：6
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