A Comprehensive Analysis of 17-level Modified H-Bridge Multilevel Inverter

2021 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER) Pub Date : 2021-11-19 DOI:10.1109/DISCOVER52564.2021.9663573

Harshavardhan Govulakonda, C. Venkatesh

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Abstract

Analysis of 17-level modified H-Bridge multilevel inverter is performed and presented in this paper. The number of components is limited to reduce the total number of components per levels factor, and DC sources are held in the circuit in such a way as to decrease the maximum voltage on the switches. In addition, PWM techniques such as level shifted carrier PWM and ANDed PWM is used to decrease the THD. Thus, parameters deciding the efficiency of the multilevel inverter are improved and simulation results are presented. Finally, analysis of a three-phase H-Bridge MLI connected to squirrel cage induction motor is performed to validate its performance for industrial applications. Parameters deciding the efficiency of multilevel inverter such as maximum voltage rating on the switches, THD, and total number of components per levels factor are addressed with a solution. Performance of the inverter are presented and compared with other topologies to justify 17-level modified Hbridge MLI performance.

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17电平改进型h桥多电平逆变器综合分析

本文对17电平改进型h桥多电平逆变器进行了分析。元件的数量受到限制，以减少每个电平因子的元件总数，并且直流电源以这样一种方式保持在电路中，以降低开关上的最大电压。此外，还采用了电平移位载波PWM和and - and PWM等PWM技术来降低THD。对决定多电平逆变器效率的参数进行了改进，并给出了仿真结果。最后，对连接鼠笼式感应电动机的三相h桥MLI进行了分析，以验证其在工业应用中的性能。给出了决定多电平逆变器效率的参数，如开关的最大额定电压、THD和每电平因子的总元件数。介绍了逆变器的性能，并与其他拓扑结构进行了比较，以验证17级改进Hbridge MLI的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER)

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