| 五电平逆变器仿真及控制研究 |
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| 引用本文： | 丛望,张爱民.五电平逆变器仿真及控制研究[J].船电技术,2009,29(5):1-4. |
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| 作者姓名： | 丛望 张爱民 |
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| 作者单位： | 哈尔滨工程大学自动化学院,哈尔滨,150001 |
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| 摘 要： | 针对二极管钳位式三电平逆变器输出电压谐波分量高，IGBT承受的回路电压大的问题，采用SVPWM控制的二极管钳位式五电平逆变器进行改进。文中介绍了二极管钳位五电平逆变器的拓扑结构及工作原理，分析了逆变器产生的125个电压空间矢量。应用循边原则选择开关状态进一步减少谐波分量，采用简化的过调制算法提高直流电压的利用率，仿真得出五电平逆变器的输出电压波形，对电压波形做了频谱分析。
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| 关 键 词： | 五电平逆变器 循边原则 SVPWM 过调制 |
Research on Space Vector PWM for Five-level Inverter |
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| Cong Wang,Zhang Aimin.Research on Space Vector PWM for Five-level Inverter[J].Marine Electric & Electronic Technology,2009,29(5):1-4. |
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| Authors: | Cong Wang Zhang Aimin |
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| Institution: | College of Automation;Harbin Engineering University;Harbin 150001;China |
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| Abstract: | Because of the high harmonic component in diode clamp three-level inverter and the high loop voltage of IGBT,diode clamp five-level inverter controlled by SVPWM is used to solve this problem.The topology of diode clamp five-level inverter and its working principles are described in this paper.the 125-voltage space vectors of the five-level inverter are analyzed.Appropriate algorithm is used to choose reasonable space vectors for the further reducing of harmonic component.A simple algorithm of over modulatio... |
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| Keywords: | SVPWM |
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