Modular Multipulse Rectifier Transformers in Symmetrical Cascaded H-Bridge Medium Voltage Drives

被引：57
作者：
Abolhassani, Mehdi [1 ]
机构：
[1] TECO Westinghouse Motor Co, Dept Res & Dev, Round Rock, TX 78681 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2012年 / 27卷 / 02期
关键词：
Cascaded symmetrical drive; medium voltage drive; multilevel drive; power quality; MULTILEVEL; FREQUENCY; CONVERTER;
D O I：
10.1109/TPEL.2011.2161593
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：
A new approach to improve the power quality of high-power medium voltage multilevel drives is presented. A modular transformers strategy in conjunction with modular power electronics cubes is developed. By applying this technology, the input current harmonics decreases to well below the requirement of IEEE 519-1992 while the amount of capacitance installed in the drive is significantly reduced. In addition, by employing modular transformers technology and efficient cooling, power density of the drive is increased by 15%. The input power factor of drive is also improved. This paper details the new approach, analyses, and test results.
引用
收藏
页码：698 / 705
页数：8
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