Differential-Mode Noise Prediction and Cancellation for High-Power Thyristor Trigger Circuit

被引:0
|
作者
Wei, Jiufu [1 ]
Li, Baoming [1 ,2 ]
机构
[1] Nanjing Univ Sci & Technol, Natl Key Lab Transient Phys, Nanjing 210094, Peoples R China
[2] China Acad Ordnance, Beijing 100089, Peoples R China
关键词
Trigger circuits; Integrated circuit modeling; Impedance; Windings; Transformers; Capacitors; Switched mode power supplies; Differential-mode (DM) noise cancellation; DM noise prediction; DM spectrum test; high-power thyristor (HPT) trigger circuit; EMI FILTERS; DESIGN; LOSSES;
D O I
10.1109/TPS.2022.3178872
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
This article is to predict and cancel differential-mode (DM) noise for high-power thyristor (HPT) trigger circuits and improve the reliability of capacitive pulsed power supply (CPPS). A lumped model of HPT trigger circuit is developed for the DM noise prediction within a concerning frequency range. The generation mechanism and propagation path of the DM noise are systematically studied. To attenuate the DM noise, a DM filter is proposed and discussed. The component parameters of the filter are investigated to improve its DM noise suppression effect. The DM spectrum for the HPT trigger circuit and the insertion losses of the DM filter are simulated and analyzed. Ultimately, DM spectrum tests are carried out. Both the simulated and measured results validate the theoretical analysis.
引用
收藏
页码:2378 / 2387
页数:10
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