| 三电平中点钳位逆变器共模电压和电流抑制算法 |
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| 引用本文： | 童鸣庭,苏建徽,徐宏. 三电平中点钳位逆变器共模电压和电流抑制算法[J]. 低压电器, 2013, 0(16): 32-37 |
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| 作者姓名： | 童鸣庭 苏建徽 徐宏 |
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| 作者单位： | 合肥工业大学教育部光伏系统工程研究中心,安徽合肥230009 |
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| 摘 要： | 对三电平逆变器的传统SVPWM算法和已有的共模电压抑制算法、共模电压消除算法和共模电流抑制算法进行了分析和对比。通过改变矢量选择和优化开关次序,提出了一种共模电压和共模电流抑制的SVPWM算法,并通过Matlab/Simtllink软件进行了仿真。结果表明,这种算法能很好地抑制共模电压和共模电流。
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| 关 键 词： | 三电平逆变器 中点钳位 空间矢量调制 共模电流 |
Common-Mode Voltage and Current Suppression Algorithm for Three Level Neutral Point Clamped Inverter |
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| TONG Mingting;SU Jianhui;XU Hong. Common-Mode Voltage and Current Suppression Algorithm for Three Level Neutral Point Clamped Inverter[J]. Low Voltage Apparatus, 2013, 0(16): 32-37 |
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| Authors: | TONG Mingting SU Jianhui XU Hong |
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| Affiliation: | TONG Mingting;SU Jianhui;XU Hong;Research Center for Photovoltaic System Engineering,Ministry of Education,Hefei University of Technology; |
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| Abstract: | The conventional space vector pulse width modulation（SVPWM） ＇algorithm,existing suppression and etimionation algorithm for common-mode voltage and elimination algorithm for common-mode current nf three level inverter were analyzed and compared.A new kind of SVPWM algorithm for inhibition of common-mode voltage and common-mode current was put forward,by changing vector selection and optimizing switching order.It was simulated by the Matlab/Simulink software.The results show that this algorithm is effective for suppressing commonmode voltage and common-mode current. |
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| Keywords: | three level inverter neutral point clamped space vector pules width modulation（SVPWM） common-mode current |
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