| 基于CO-SFO-PWM级联型多电平逆变器的研究 |
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| 引用本文： | 孙玉坤,马萍,刘杰. 基于CO-SFO-PWM级联型多电平逆变器的研究[J]. 电力电子技术, 2011, 45(4): 70-72 |
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| 作者姓名： | 孙玉坤 马萍 刘杰 |
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| 作者单位： | 江苏大学电气信息工程学院; |
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| 摘 要： | 选取级联型多电平拓扑作为中高压变流器的拓扑结构,对多电平逆变电路及其PWM技术进行了研究,并对级联型9电平逆变器的工作原理进行了分析.采用新型CO-SFO-PWM技术进行级联型9电平逆变器实验,实验结果表明该新型PWM技术不仅在低调制度下可明显改善输出波形,而且在高调制度下同样可获得较低的THD的输出波形,并且提高了直...
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| 关 键 词： | 逆变器 级联型 多电平 脉宽调制 |
The Research of the Multi-level Inverter Circuit Based on CO-SFO-PWM |
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| SUN Yu-kun,MA Ping,LIU Jie. The Research of the Multi-level Inverter Circuit Based on CO-SFO-PWM[J]. Power Electronics, 2011, 45(4): 70-72 |
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| Authors: | SUN Yu-kun MA Ping LIU Jie |
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| Affiliation: | SUN Yu-kun,MA Ping,LIU Jie(Jiangsu University,Zhenjiang 212013,China) |
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| Abstract: | The article selects the cascade multilevel topological as the topological structure of the cascaded medium-high voltage converter,and focuses on the multi-level inverter circuit and pulse width modulation(PWM) technology,analysis the working principle of cascade nine-level inverter.Also,new CO-SFO-PWM technology is used to have a simulation on cascade nine-level inverter.The experimental results show that the new PWM technology can significant-ly improve quality of the output wave at low modulation ratio,an... |
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| Keywords: | inverter cascade multi-level pulse width modulation |
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