Three-level SVPWM method based on two-level PWM cell in DSP

被引：0
|
作者：
Yao, WX [1 ]
Lu, ZY [1 ]
Fei, WM [1 ]
Qiao, ZM [1 ]
Gu, YL [1 ]
Zheng, MF [1 ]
机构：
[1] Zhejiang Univ, Natl Lab Power Elect, Hangzhou 310027, Peoples R China
来源：
APEC 2004: NINETEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1-3 | 2004年
关键词：
space-vector PWM; three-level converter; DSP;
D O I：
暂无
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：
This paper focuses on the relationship of three-level and two-level pulse width modulation (PWM) methods. A scheme of three-level Space-Vector PWM (SVPWM) based on one chip DSP is proposed depends on two groups of three-phase traditional PWM cell integrated in DSP. Neutral-point balance is achieved by adjusting the output voltage vectors based on the neutral-point current judging. This method simplified the digital control of three-level inverters, and improved the reliability of system. 660V three-level converter with full digital control is proposed to verify the scheme.
引用
收藏
页码：1720 / 1724
页数：5
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