| 三电平逆变器缓冲电路内外电压不平衡分析及改进 |
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| 引用本文： | 陈扬飞,何礼高.三电平逆变器缓冲电路内外电压不平衡分析及改进[J].电机与控制学报,2006,10(2):182-186. |
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| 作者姓名： | 陈扬飞 何礼高 |
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| 作者单位： | 南京航空航天大学,自动化学院,江苏,南京,210016 |
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| 摘 要： | 针对三电平逆变器RCD缓冲电路在相邻开关状态之间转换时所发生的两种电压不平衡现象，进行了深入详细地分析，研究了产生电压不平衡的机理，并依据电路基本定律，推导了两种不平衡电压的计算公式。在此基础上，提出了一种简单的能使电压平衡的办法，并进行了仿真验证。结果表明性能良好。
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| 关 键 词： | 三电平逆变器 缓冲电路 分布电感 |
| 文章编号： | 1007-449X（2006）02-0182-05 |
| 收稿时间： | 2005-04-10 |
| 修稿时间： | 2005-07-23 |
Analysis on unbalance voltages between inner and outer snubber circuits and improvement of three-level inverter |
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| CHEN Yang-fei,HE Li-gao.Analysis on unbalance voltages between inner and outer snubber circuits and improvement of three-level inverter[J].Electric Machines and Control,2006,10(2):182-186. |
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| Authors: | CHEN Yang-fei HE Li-gao |
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| Abstract: | This paper analyzes two unbalance voltages which happen between the transformation of nearby switching states in RCD snubber circuits of three-level inverter. The reason for the unbalance voltage is studied and the formulas to calculate the two unbalance voltages are given in this paper. A way of solving the unbalance is also presented, At last the veracity of what have mentioned above is simulated by electronic software. The result shows that the solution is effective. |
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| Keywords: | three-level inverter snubber circuit parasitic inductance |
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