| H桥级联多电平逆变器相移SVPWM技术的研究 |
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| 引用本文： | 黄本润,夏立,吴正国. H桥级联多电平逆变器相移SVPWM技术的研究[J]. 通信电源技术, 2011, 28(3): 21-24 |
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| 作者姓名： | 黄本润 夏立 吴正国 |
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| 作者单位： | 海军工程大学电气与信息工程学院,湖北,武汉,430033 |
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| 摘 要： | 载波相移SPWM调制法是级联型逆变器的主流控制方法,其等效载波频率高、谐波特性好、功率单元之间输出功率平衡。而空间矢量法谐波特性好、电压利用率高、控制方法简单便于数字实现。文中针对H桥级联型多电平逆变器的结构特点,综合采用载波移相SPWM法和空间矢量法,并用一种新的空间矢量算法取代传统的方法。该算法中无需三角函数和无理数计算,计算过程非常简单,节约了计算时间,结果更为准确。最后通过系统仿真验证该算法的正确性和有效性。
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| 关 键 词： | 载波移相法 相移空间矢量法 级联多电平 |
Research of Phase-Shifted SVPWM Based on H-Bridge Cascaded Multilevel Inverter |
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| HUANG Ben-run,XIA Li,WU Zheng-guo. Research of Phase-Shifted SVPWM Based on H-Bridge Cascaded Multilevel Inverter[J]. Telecom Power Technologies, 2011, 28(3): 21-24 |
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| Authors: | HUANG Ben-run XIA Li WU Zheng-guo |
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| Affiliation: | HUANG Ben-run,XIA Li,WU Zheng-guo(College of Electronic and Information Engineering,Naval University of Engineering,Wuhan 430033,China) |
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| Abstract: | Phase-shifted PWM is specially for cascaded inverter.The carrier phase-shifted SPWM has high equivalent carrier frequency and low harmonic.And the output between power units is balanced,and it is easy for expansion.SVPWM has low harmonic and high voltage utilization.The control method is simple and easy for digital realization.Based on the configuration of H-bridge cascaded multilevel inverter,this paper combines SVPWM and carrier phase-shifted SPWM.A novel algorithm of SVPWM is proposed.It hasn't any trigo... |
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| Keywords: | carrier phase-shifted SPWM phase-shifted SVPWM cascaded inverter |
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