| 改进型三电平空间矢量调制方法 |
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| 引用本文： | 张钢,刘志刚,王磊,全恒立. 改进型三电平空间矢量调制方法[J]. 北京交通大学学报(自然科学版), 2010, 34(5): 78-82. DOI: 10.3969/j.issn.1673-0291.2010.05.015 |
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| 作者姓名： | 张钢 刘志刚 王磊 全恒立 |
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| 作者单位： | 北京交通大学,电气工程学院,北京,100044;北京交通大学,电气工程学院,北京,100044;北京交通大学,电气工程学院,北京,100044;北京交通大学,电气工程学院,北京,100044 |
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| 摘 要： | 为了解决常规三电平空间矢量调制(Space Vector Modulation,SVM)方法中存在的额外开关损耗和窄脉冲问题,提出了一种改进型三电平空间矢量调制方法.该方法重新对矢量空间进行了划分,分为6大区域36小区域,并通过对合成矢量的开关序列的优化,实现了参考矢量从一个区域运动另外一个区域的平滑过渡,最大程度减小了额外开关损耗,避免了窄脉冲的产生.文中通过仿真及实验对所述方法的有效性进行了验证.
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| 关 键 词： | 电力电子 三电平 开关序列 窄脉冲 |
An Improved Three-Level Space Vector Modulation Method |
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| ZHANG Gang,LIU Zhigang,WANG Lei,QUAN Hengli. An Improved Three-Level Space Vector Modulation Method[J]. JOURNAL OF BEIJING JIAOTONG UNIVERSITY, 2010, 34(5): 78-82. DOI: 10.3969/j.issn.1673-0291.2010.05.015 |
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| Authors: | ZHANG Gang LIU Zhigang WANG Lei QUAN Hengli |
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| Affiliation: | ZHANG Gang,LIU Zhigang,WANG Lei,QUAN Hengli(School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | In order to solve the additional switching loss and the narrow pulse problem of conventional three-level SVPWM,a novel improved scheme is proposed.It re-divide the space vector diagram into six large regions and thirty-six small regions.Then the suitable switch sequence is selected to realize a smooth transition and reduce the additional switching loss when reference vector rotate s from one region to another.At the same time,the generation of narrow pulses can also be avoided in a large scale.The simulatio... |
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| Keywords: | power electronics three level switching sequence narrow pulse |
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