EMI Propagation Path Modeling of 3-Level T-type NPC Power Module with Stacked DBC Enabled EMI Shielding

被引：7

作者：

Emon, Asif Imran ^{[1
]}

Ul Hassan, Mustafeez ^{[1
]}

Mirza, Abdul Basit ^{[1
]}

Yuan, Zhao ^{[2
]}

Luo, Fang ^{[1
]}

机构：

[1] SUNY Stony Brook, Dept Elect & Comp Engn, Stony Brook, NY 11794 USA

[2] Univ Arkansas, Dept Elect Engn, Fayetteville, AR 72701 USA

来源：

2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2021年

基金：

美国国家科学基金会;

关键词：

T-type NPC; Stacked DBC; vertical commutation loop; Power module; IMPLEMENTATION; DESIGN;

D O I：

10.1109/ECCE47101.2021.9595999

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

3-level T-type neutral point clamped (NPC) topology is more popular than its 2-level counterparts in energy conversion systems due to their higher efficiency, lower harmonics (THD), and reduced voltage stress on the switches. Wide bandgap (WBG) semiconductors have become the ultimate choice for future high-performance power electronics energy conversion due to their superior material properties compared to traditional silicon power devices. As a wide-bandgap device, while SiC's fasterswitching speed improves overall efficiency by reducing switching loss, the faster voltage and current gradient (dv/dt and di/dt) generate electromagnetic interference (EMI) noise, requiring larger and complicated filter design. A stacked DBC (direct bonded copper) based T-type NPC power module has been proposed, designed, and tested where additional DBC will be acting as an EMI shield. The EMI noise propagation path has been modeled and compared to a traditional power module. A 21 dB reduction of CM (common mode) noise has been observed.

引用

页码：5233 / 5239

页数：7

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