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用于降低开关损耗和电流纹波的三相逆变器驱动平衡两相负载的不连续SVPWM技术

Discontinuous SVPWM Techniques of Three-Leg VSI-Fed Balanced Two-Phase Loads for Reduced Switching Losses and Current Ripple

语言:

中文摘要

本文针对三相电压源逆变器驱动平衡两相负载的场景,提出了一系列不连续空间矢量脉宽调制(DSVPWM)技术。研究重点在于分析功率半导体器件的开关损耗特性,并通过优化各扇区内零空间矢量的分配时间,有效降低输出电流纹波。

English Abstract

In this paper, various types of discontinuous space vector pulse-width modulation techniques for a three-leg voltage source inverter supplying balanced two-phase loads are proposed. The main objectives of the paper are to analyze switching loss characteristics associated with semiconductor devices and to reduce output current ripple by dealing with various types of zero space vector time in each s...
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SunView 深度解读

该研究提出的DSVPWM技术在降低开关损耗和优化电流质量方面具有显著价值,直接契合阳光电源组串式及集中式光伏逆变器对高效率、低谐波的要求。通过减少开关损耗,可进一步提升逆变器在高温环境下的功率密度和整机效率,有助于优化散热设计。建议研发团队在下一代逆变器控制算法中引入该类不连续调制策略,以提升产品在复杂负载工况下的电能质量表现,并降低对散热系统的成本要求。