Multilevel Multiphase Space Vector PWM Algorithm With Switching State Redundancy Applied to Three-Phase Four-Leg Converters

被引：0
|
作者：
Lopez, Oscar [1 ]
Alvarez, Jacobo [1 ]
Freijedo, Francisco D. [1 ]
Yepes, Alejandro G. [1 ]
Malvar, Jano [1 ]
Fernandez-Comesana, Pablo [1 ]
Doval-Gandoy, Jesus [1 ]
Nogueiras, Andres [1 ]
Lago, Alfonso [1 ]
Penalver, Carlos M. [1 ]
机构：
[1] Univ Vigo, Dept Elect Technol, ES-36210 Vigo, Spain
来源：
IECON 2010: 36TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2010年
关键词：
MODULATION ALGORITHM;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Three-phase four-leg voltage-source converters are used in inverter, rectifier and active filter applications to control the neutral current caused by unbalanced or nonlinear loads. From the modulation point of view, a four-leg converter can be considered as a four-phase system. Hence, the modulation task can be carried out with a generic multiphase modulation algorithm. In this paper, a recent multilevel multiphase space vector PWM algorithm with switching state redundancy is particularized for multilevel three-phase four-leg converters. The obtained algorithm is compared with an existing three-dimension modulation technique showing important similarities. Finally, the new algorithm is implemented in a low-cost field-programmable gate array and it is tested with a five-level cascaded full-bridge inverter.
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页数：8
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