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Recent trends and review on switched‐capacitor‐based single‐stage boost multilevel inverter
International Transactions on Electrical Energy Systems ( IF 1.9 ) Pub Date : 2021-01-07 , DOI: 10.1002/2050-7038.12730 Manita Kumari 1 , Marif Daula Siddique 2 , Adil Sarwar 1 , Mohd Tariq 1 , Saad Mekhilef 3, 4 , Atif Iqbal 2
International Transactions on Electrical Energy Systems ( IF 1.9 ) Pub Date : 2021-01-07 , DOI: 10.1002/2050-7038.12730 Manita Kumari 1 , Marif Daula Siddique 2 , Adil Sarwar 1 , Mohd Tariq 1 , Saad Mekhilef 3, 4 , Atif Iqbal 2
Affiliation
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Multilevel inverters are very popular in renewable energy applications. These inverters produce output voltages close to sinusoidal and have lower harmonics as compared to the conventional two‐level inverters as it also helps in reducing the size of the filter, thus makes the circuitry less complicated. In conventional multilevel inverter topologies, the number of devices increases with the increase of the number of output voltage levels, which in turn makes circuitry bulky and costly. Further, the boosting feature of the input voltage is also necessary for the application of multilevel inverters with renewable energy. Therefore, to reduce the count of devices, losses, and rating of devices, various switched‐capacitor multilevel inverter topologies are proposed. Switched‐capacitor multilevel inverter topologies (SCMLIs) can generate multiple voltage levels along with high voltage gain with a minimum number of devices. This paper gives a detailed overview of the recently introduced SCMLIs. The different SCMLIs have been categorized based on the number of levels and voltage gains. A detailed comparison has been introduced in this paper. Finally, few SCMLI topologies have been experimentally validated using the experimental results.
中文翻译：
基于开关电容器的单级升压多电平逆变器的最新趋势和回顾
多电平逆变器在可再生能源应用中非常受欢迎。与传统的两电平逆变器相比，这些逆变器产生的输出电压接近正弦波，并且谐波更低，因为它还有助于减小滤波器的尺寸，从而降低了电路的复杂性。在常规的多电平逆变器拓扑中，器件的数量随着输出电压电平的数量的增加而增加，这反过来又使电路体积大且成本高。此外，对于具有可再生能源的多电平逆变器的应用，输入电压的升压特性也是必需的。因此，为了减少设备数量，损耗和设备额定值，提出了各种开关电容器多电平逆变器拓扑。开关电容器多电平逆变器拓扑（SCMLI）可以使用最少的设备生成多个电压电平以及高电压增益。本文详细介绍了最近推出的SCMLI。根据电平和电压增益的数量对不同的SCMLI进行了分类。本文已进行了详细的比较。最后，很少有SCMLI拓扑已使用实验结果进行了实验验证。
更新日期：2021-03-02
中文翻译：
基于开关电容器的单级升压多电平逆变器的最新趋势和回顾
多电平逆变器在可再生能源应用中非常受欢迎。与传统的两电平逆变器相比，这些逆变器产生的输出电压接近正弦波，并且谐波更低，因为它还有助于减小滤波器的尺寸，从而降低了电路的复杂性。在常规的多电平逆变器拓扑中，器件的数量随着输出电压电平的数量的增加而增加，这反过来又使电路体积大且成本高。此外，对于具有可再生能源的多电平逆变器的应用，输入电压的升压特性也是必需的。因此，为了减少设备数量，损耗和设备额定值，提出了各种开关电容器多电平逆变器拓扑。开关电容器多电平逆变器拓扑（SCMLI）可以使用最少的设备生成多个电压电平以及高电压增益。本文详细介绍了最近推出的SCMLI。根据电平和电压增益的数量对不同的SCMLI进行了分类。本文已进行了详细的比较。最后，很少有SCMLI拓扑已使用实验结果进行了实验验证。
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