A new single-phase cascaded multilevel inverter topology with reduced number of switches and voltage stress

被引:36
|
作者
Siddique, Marif Daula [1 ]
Mekhilef, Saad [1 ,2 ]
Shah, Noraisyah Mohamed [1 ]
Sarwar, Adil [3 ]
Memon, Mudasir Ahmed [1 ]
机构
[1] Univ Malaya, Dept Elect Engn, Power Elect & Renewable Energy Res Lab, Kuala Lumpur 50603, Malaysia
[2] King Abdulaziz Univ, Ctr Res Excellence Renewable Energy & Power Syst, Jeddah 21589, Saudi Arabia
[3] Aligarh Muslim Univ, Dept Elect Engn, Aligarh 202002, Uttar Pradesh, India
关键词
cascaded inverter; fundamental switching frequency; multilevel inverter; power electronics; pulse width modulation; reduce switch count; DC SOURCES; REDUCTION;
D O I
10.1002/2050-7038.12191
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Multilevel inverters have been the vital component for the power electronic systems and have been researched extensively to further enhance their performances in terms of topology and their control. In this paper, a new bidirectional single-phase multilevel inverter module has been proposed with a reduced number of switches along with lower voltage stresses. The proposed module generates 17 levels at the output with 10 unidirectional switches along with four dc voltage sources with two varieties of dc voltage sources. Moreover, for a higher number of levels, the cascade connection of several modules has been discussed in this paper with three different methods for the selection of dc voltage sources. The proposed module has been compared with several similar topologies, which set the benchmark of the proposed one. The operation and performance of the proposed module have been validated through several simulation and experimental results with different types of load considering a change of modulation index.
引用
收藏
页数:21
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