| 新型模块化多电平变换器的PWM控制 |
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| 引用本文： | 廖其艳,郭家虎,赵埕萱.新型模块化多电平变换器的PWM控制[J].电气传动,2011(9):34-37. |
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| 作者姓名： | 廖其艳 郭家虎 赵埕萱 |
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| 作者单位： | 安徽理工大学电气与信息工程学院; |
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| 基金项目： | 国家自然科学基金(50907001) |
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| 摘 要： | 新型模块化多电平变换器MMC(modular multilevel converter)通过子模块电压叠加输出高电压,输出电压谐波含量少,且无需额外的滤波器和变压器,十分适用于轻型直流输电系统中.由于MMC各桥臂级联多个子模块,各子模块中通过对直流储能电容器的双向PWM斩波输出需要的电压,这就需要对各子模块电容电压进行...
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| 关 键 词： | 模块化多电平变换器 载波相移SPWM 电压平衡控制 |
New Modular Multilevel Converters and PWM Control |
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| LIAO Qi-yan,GUO Jia-hu,ZHAO Cheng-xuan.New Modular Multilevel Converters and PWM Control[J].Electric Drive,2011(9):34-37. |
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| Authors: | LIAO Qi-yan GUO Jia-hu ZHAO Cheng-xuan |
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| Affiliation: | LIAO Qi-yan,GUO Jia-hu,ZHAO Cheng-xuan(School of Electrical and Communication Engineering,Anhui University of Science&Technology,Huainan232001,Anhui,China) |
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| Abstract: | New modular multilevel converter(MMC)output through the sub-module voltage superimposed high voltage,low output voltage harmonic content,and no additional filters and transformers,are suitable for HVDC light system.Since the bridge arm MMC cascade multiple sub modules,each sub-module,by way of the DC storage capacitor PWM chopper output voltage required,which requires the submodule capacitor voltage balance control.MMC-based works,an optimized carrier phase SPWM modulation strategy and the submodule capacit... |
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| Keywords: | modular multilevel converters carrier phase-shifted SPWM voltage-balancing control |
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