DC voltage balancing for PWM cascaded H-bridge converter based STATCOM

被引:0
|
作者
Barrena, Jon Andoni [1 ]
Marroyo, Luis [2 ]
Rodriguez, Miguel Angel [1 ]
Alonso, Oscar [2 ]
Torrealday, Jose Ramon [1 ]
机构
[1] Univ Mondragon, Fac Engn, Loramendi 4, Arrasate Mondragon 20500, Spain
[2] Univ Publ Navarr, Dept Elect & Elect Engn, Pamplona 31006, Spain
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a new control method for Cascaded connected H-Bridge converter based STATCOMs. These converters have been classically commutated at fundamental line-frequencies, but the evolution of Power Semiconductors has allowed to increase switching frequencies and the power ratings of these devices, permitting the use of PWM modulation techniques. This paper mainly focuses the DC Bus voltage balancing problems, and proposes a new control technique that solves these balancing problems maintaining the delivered reactive power equally distributed among all the H-Bridges of the converter.
引用
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页码:1773 / +
页数:2
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