A discontinuous carrier-based PWM modulation method for the control of neutral point voltage of three-phase three-level diode clamped converters

被引：17
|
作者：
Ojo, O [1 ]
Konduru, S [1 ]
机构：
[1] Tennessee Technol Univ, Dept Elect & Comp Engn, Ctr Energy Syst Res, Lab Elect Machines & Power Elect, Cookeville, TN 38505 USA
来源：
2005 IEEE 36TH POWER ELECTRONIC SPECIALISTS CONFERENCE (PESC), VOLS 1-3 | 2005年
关键词：
D O I：
10.1109/PESC.2005.1581852
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The neutral-point voltage of the three-level, three-phase converter is regulated using a hysteresis controller which selects the appropriate expression for the zero sequence voltage signal which augments the modulation signal used in the discontinuous carrier-based PWM modulation scheme for voltage control. The analytical expressions for the zero sequence voltages are generalized to three sets making its DSP implementation very easy. Simulation and experimental results verify the usefulness of the proposed neutral-point regulation technique.
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页码：1652 / 1658
页数：7
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