Adaptive Carrier-based PWM for a Four-Switch Three-Phase Inverter under DC-link Voltage Ripple Conditions

被引:7
|
作者
Nguyen, Tuyen D. [1 ]
Lee, Hong-Hee [1 ]
Nguyen, Hoang M. [1 ]
机构
[1] Univ Ulsan, Dept Elect Engn, Ulsan 680749, South Korea
关键词
Adaptive carrier-based PWM; Four-switch inverter; Low cost inverter; Over-modulation; STRATEGY;
D O I
10.5370/JEET.2010.5.2.290
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 an adaptive carrier-based pulse width modulation (PWM) method for a four-switch three-phase (4S3P) inverter under dc-link voltage ripple conditions. The proposed method guarantees balanced output currents despite of the existence of the voltage oscillations across two dc-link capacitors. And also, this new approach achieves a linear over-modulation with calculation time reduction. Simulation and experimental results are given to validate the feasibility of the proposed method.
引用
收藏
页码:290 / 298
页数:9
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