Reducing the Number of Switches in a Multi-level Inverter with 3 Source-15 Level Topology

Srinivas Singirikonda, S. Karimulla, G. Kumar, K. Ravi, Chandra sekhar Reddy Gade, S. Deepaprasath
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引用次数: 1

Abstract

The demand for renewable energy sources is increasing due to the limitations of the non-renewable energy sources, but most of the existing loads are AC. So, these renewable energy sources are required converters to feed to AC loads, which convert the DC to AC. For high power high applications, the switching losses and efficiency is a significant problem with conventional inverters. So, to address this issue, multi-level inverters are a great solution, which can reduce switching losses and increase efficiency. This paper proposes a 15 level, multi-level inverter for three DC sources with 10 switches. The performance of the proposed topology validated in MATLAB Simulink environment, and results are demonstrated that, the voltage stress across very less and with less number of switches high efficiency is achieved
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减少3源-15电平多电平逆变器的开关数量
由于不可再生能源的限制,对可再生能源的需求正在增加,但现有的大多数负载是交流的,因此,这些可再生能源需要变流器馈送到交流负载,将直流转换为交流。对于大功率高应用,传统逆变器的开关损耗和效率是一个重要的问题。因此,为了解决这个问题,多级逆变器是一个很好的解决方案,它可以减少开关损耗并提高效率。本文提出了一种具有10个开关的3个直流电源的15电平多电平逆变器。在MATLAB Simulink环境下对所提出拓扑的性能进行了验证,结果表明,该拓扑的电压应力非常小,且开关数量少,效率高
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