PWAM Controlled Quasi-Z Source Motor Drive

被引:0
|
作者
Li, Yi [1 ]
Liu, Yushan [1 ,2 ]
Abu-Rub, Haitham [2 ]
机构
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 100044, Peoples R China
[2] Texas A&M Univ Qatar, Dept Elect & Comp Engn, Qatar Fdn, Doha 23874, Qatar
基金
中国国家自然科学基金; 北京市自然科学基金;
关键词
Quasi-Z-source inverter; pulse-width-amplitude-modulation; motor drive; CONVERTER;
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 proposes a novel pulse-width-amplitude-modulation (PWAM) method for three-phase quasi-Z source inverter system in motor drive application. It is demonstrated that it operates at only 1/3 switching frequency of traditional PWM methods, with less harmonic distortion. As a result, switching actions and losses are also reduced significantly. With the proposed modulation, the required capacitance is reduced greatly, which makes a system of smaller volume and lighter weight. Compared to traditional PWM methods, the higher efficiency and better reliability are confirmed in PWAM controlled motor drive system. The motor drive with the proposed hybrid PWAM modulation method presents good performance in simulation. Theoretical analysis is provided to verify the inverter efficiency and design improvements.
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页码:1669 / 1675
页数:7
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