A Method for PWM Frequency Harmonic Suppression Using Zero-Vector Switching SVPWM Strategy in Three-Level Inverter Drive Systems

IF 4.9 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Journal of Emerging and Selected Topics in Power Electronics Pub Date : 2024-10-24 DOI:10.1109/JESTPE.2024.3485962

Huidong Huang;Wentao Zhang;Yongxiang Xu;Haoyu Zhang;Jibin Zou

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Abstract

This article proposed an innovative single-edge space vector pulse width modulation (SVPWM) strategy for the three-level three-phase voltage source inverters (VSIs), which could suppress the harmonics around pulsewidth modulation (PWM) frequency. The technical principle and phase voltage harmonic formula of the conventional three-level single-edge SVPWM are illustrated and analyzed based on research of the working principle in the diode-clamped three-level inverter. To optimize the vector synthesis order of conventional single-edge regular sampling SVPWM technology, a novel zero-vector switching SVPWM (ZSSVPWM) technology is proposed. The technical principle and implementation process of this proposed three-level ZSSVPWM are discussed and analyzed in detail. Finally, simulation and experimental results verified its suppression effect on the PWM harmonics and compared the harmonic characteristics of this strategy with different modulation ratios.

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在三电平逆变器驱动系统中使用零矢量开关 SVPWM 策略抑制 PWM 频率谐波的方法

本文提出了一种新颖的三电平三相电压源逆变器单边空间矢量脉宽调制（SVPWM）策略，该策略可以抑制脉宽调制（PWM）频率周围的谐波。在研究二极管箝位三电平逆变器工作原理的基础上，对传统三电平单边SVPWM的技术原理和相电压谐波公式进行了阐述和分析。为了优化传统单边正则采样SVPWM技术的矢量合成顺序，提出了一种新的零矢量切换SVPWM （ZSSVPWM）技术。详细讨论和分析了所提出的三层ZSSVPWM的技术原理和实现过程。最后，通过仿真和实验验证了该策略对PWM谐波的抑制效果，并比较了不同调制比下该策略的谐波特性。

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来源期刊

IEEE Journal of Emerging and Selected Topics in Power Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

12.50

自引率

9.10%

发文量

547

审稿时长

3 months

期刊介绍： The aim of the journal is to enable the power electronics community to address the emerging and selected topics in power electronics in an agile fashion. It is a forum where multidisciplinary and discriminating technologies and applications are discussed by and for both practitioners and researchers on timely topics in power electronics from components to systems.