Optimization of the Pulse-Width-Modulation Strategy for Three-Level Inverters With Reduced Power Loss

被引：0

作者：

Xiang, Chaoqun ^{[1
]}

Du, Jingrun ^{[1
]}

Fu, Xinyu ^{[1
]}

Zhou, Ruirui ^{[1
]}

Yang, Yong ^{[2
]}

Zhang, Xinan ^{[3
]}

机构：

[1] Cent South Univ, Sch Traff & Transportat Engn, Changsha 410075, Peoples R China

[2] Soochow Univ, Sch Rail Transportat, Suzhou 215131, Peoples R China

[3] Univ Western Australia, Sch Elect Elect & Comp Engn, Perth, WA 6009, Australia

来源：

IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION | 2025年 / 11卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Inverters; Vectors; Voltage control; Switches; Junctions; Insulated gate bipolar transistors; Transportation; Clamping current; junction temperature; lifespan; neutral-point voltage; pulse-width modulation (PWM); SPACE VECTOR MODULATION; ACTIVE THERMAL CONTROL; JUNCTION TEMPERATURE; CONVERTERS;

D O I：

10.1109/TTE.2024.3389692

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：

Junction temperature is the main factor affecting the lifespan of insulated-gate bipolar transistor (IGBT). In order to improve the lifespan of three-phase three-level neutral-point clamped (3P-3L-NPC) inverters, this article proposes a new pulse-width modulation (PWM) strategy that reduces inverter power loss based on clamping current. Compared to the traditional space vector PWM (SVPWM), the proposed method reduces the IGBT junction temperature while ensuring excellent control performance. This will lead to an improved lifespan of 3P-3L-NPC inverter. Furthermore, the proposed PWM strategy maintains the neutral point voltage (NPV) balance in a wide modulation range. The efficacy of the proposed method is verified by simulation and experimental results.

引用

页码：246 / 256

页数：11

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