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A twice boost nine‐level switched‐capacitor multilevel (2B‐9L‐SCMLI) inverter with self‐voltage balancing capability
International Journal of Circuit Theory and Applications ( IF 1.581 ) Pub Date : 2021-04-05 , DOI: 10.1002/cta.3014
Manita Kumari, Marif Daula Siddique, Adil Sarwar, Saad Mekhilef, Mohd Tariq

The research on the multilevel inverter structures has been focused on reducing the number of voltage sources and the components while obtaining voltage boosting in the output voltage. A lesser number of components would ensure lesser cost while higher boosting ability increases its application potential. Based on these features, the paper presents a new topology for switched‐capacitor multi‐level inverter (SCMLI), which can produce an output voltage waveform of nine levels with a voltage boosting of twice the input voltage employing a single dc voltage source, three capacitors, and 11 power switches. The operation of switches, capacitors with a self‐charge balancing modulation scheme, and a voltage source for producing nine‐level boosted output voltage make this topology useful, and it is capable of supplying different types of load with efficiency above 97%. The simulation results and the hardware results are provided to verify the satisfactory operation of the proposed topology.

中文翻译:

具有自电压平衡功能的双升压九级开关电容器多电平(2B-9L-SCMLI)逆变器

对多电平逆变器结构的研究集中于减少电压源和组件的数量,同时在输出电压中获得升压。较少的组件数将确保较低的成本,而较高的增强能力将增加其应用潜力。基于这些特性,本文提出了一种用于开关电容多电平逆变器(SCMLI)的新拓扑,该拓扑可以产生9个电平的输出电压波形,并且使用单个dc电压源将其升压为输入电压的两倍,三个电容器和11个电源开关。开关,具有自充电平衡调制方案的电容器以及产生九级升压输出电压的电压源的操作使这种拓扑非常有用,并且能够以97%以上的效率提供不同类型的负载。提供了仿真结果和硬件结果,以验证所提出拓扑的令人满意的操作。
更新日期:2021-04-06
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