Scalar PWM algorithms for four-switch three-phase inverters

被引：34
|
作者：
An, Q. T. [1 ,2 ]
Sun, L. [1 ]
Zhao, K. [1 ]
Jahns, T. M. [2 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Heilongjiang, Peoples R China
[2] Univ Wisconsin, Dept Elect & Comp Engn, Wisconsin Elect Machines & Power Elect Consortium, Madison, WI 53706 USA
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 13期
关键词：
VECTOR MODULATION STRATEGY;
D O I：
10.1049/el.2010.0612
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：
Four-switch three-phase inverters (FSTPIs) have been proposed to be used in low-cost applications because of the reduced number of semiconductor devices, and space vector pulse width modulation (SVPWM) techniques have also been introduced to control FSTPIs. However, high-performance controllers are needed to implement complicated SVPWM algorithms, which limits their low-cost applications. To simplify algorithms and reduce the cost of implementation, an equivalent scalar method for SVPWM of FSTPIs is proposed. SVPWM for FSTPIs is actually a sine PWM by modulating two sine waves of 60 degrees phase difference with a triangle wave, so such a special sine PWM can be used to control FSTPIs. The simulation and experimental results demonstrate the validity of the proposed method.
引用
收藏
页码：900 / U48
页数：2
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