Understanding the Staircase Modulation Strategy and its Application in Asymmetric Cascaded H-Bridge Multilevel Inverter

被引：0

作者：

Curi Busarello, Tiago Davi ^{[1
]}

de Sousa Marcondes Reuter, Andre Luiz ^{[1
]}

Peres, Adriano ^{[1
]}

Simoes, Marcelo Godoy ^{[2
]}

机构：

[1] Univ Fed Santa Catarina, Rua Joao Pessoa 2750, BR-89036256 Blumenau, SC, Brazil

[2] Colorado Sch Mines, 1610 Illinois St, Golden, CO 80401 USA

来源：

2018 IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING (IAS) | 2018年

关键词：

inverters; modulation; power conditioning; voltage-source converters; ELIMINATION; CONVERTERS; THD;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The staircase modulation strategy is the best choice for Asymmetric Cascaded H-bridge Multilevel Inverter (ACMI) because it makes the output voltage to present a high number of levels and makes one of the ACMI modules to operate at low frequency. However, the staircase modulation is usually employed without giving its deserved attention. This paper presents a clear understanding of the staircase modulation strategy and its applications in an ACMI. The principle of operation is carefully described, also indicating how to command the ACMI transistors. The output voltage of the two superior modules is evaluated for different value of iterations. Special attention is given to the power distribution among the ACMI modules when the staircase modulation is applied. It is demonstrated how the power is processed in each module considering an ACMI with three modules. Experimental results clarify and show the efficacy of the concepts presented in this paper.

引用

页数：8

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