Five-Level Current Source Inverter with Inductor Cell Using Switching-Cell Structure

Tien The Nguyen; Honnyong Cha

doi:10.1109/TIE.2021.3101008

Five-Level Current Source Inverter with Inductor Cell Using Switching-Cell Structure

Tien The Nguyen, Honnyong Cha

School of Energy Engineering

Kyungpook National University

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

This article proposes a single-phase five-level current source inverter with an inductor cell based on the switching-cell (SC) structure. Compared to the conventional inverter, the proposed structure has no open-circuit problem; thus, its reliability is greatly enhanced. The overlap-time inserted in the driving signals can also be minimized to improve the output waveform quality. The proposed inverter's operation is analyzed herein, and the design guideline of SC capacitors is discussed. In addition, the SC extension for the n-level topology is provided. A 1-kW prototype is built and tested to validate the effectiveness of the proposed structure.

Original language	English
Pages (from-to)	6859-6869
Number of pages	11
Journal	IEEE Transactions on Industrial Electronics
Volume	69
Issue number	7
DOIs	https://doi.org/10.1109/TIE.2021.3101008
State	Published - 1 Jul 2022

Keywords

Current source inverter (CSI)
five-level
high reliability
open-circuit
switching-cell (SC)

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10.1109/TIE.2021.3101008

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title = "Five-Level Current Source Inverter with Inductor Cell Using Switching-Cell Structure",

abstract = "This article proposes a single-phase five-level current source inverter with an inductor cell based on the switching-cell (SC) structure. Compared to the conventional inverter, the proposed structure has no open-circuit problem; thus, its reliability is greatly enhanced. The overlap-time inserted in the driving signals can also be minimized to improve the output waveform quality. The proposed inverter's operation is analyzed herein, and the design guideline of SC capacitors is discussed. In addition, the SC extension for the n-level topology is provided. A 1-kW prototype is built and tested to validate the effectiveness of the proposed structure.",

keywords = "Current source inverter (CSI), five-level, high reliability, open-circuit, switching-cell (SC)",

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AU - Cha, Honnyong

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N2 - This article proposes a single-phase five-level current source inverter with an inductor cell based on the switching-cell (SC) structure. Compared to the conventional inverter, the proposed structure has no open-circuit problem; thus, its reliability is greatly enhanced. The overlap-time inserted in the driving signals can also be minimized to improve the output waveform quality. The proposed inverter's operation is analyzed herein, and the design guideline of SC capacitors is discussed. In addition, the SC extension for the n-level topology is provided. A 1-kW prototype is built and tested to validate the effectiveness of the proposed structure.

AB - This article proposes a single-phase five-level current source inverter with an inductor cell based on the switching-cell (SC) structure. Compared to the conventional inverter, the proposed structure has no open-circuit problem; thus, its reliability is greatly enhanced. The overlap-time inserted in the driving signals can also be minimized to improve the output waveform quality. The proposed inverter's operation is analyzed herein, and the design guideline of SC capacitors is discussed. In addition, the SC extension for the n-level topology is provided. A 1-kW prototype is built and tested to validate the effectiveness of the proposed structure.

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KW - five-level

KW - high reliability

KW - open-circuit

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JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 7

ER -

Five-Level Current Source Inverter with Inductor Cell Using Switching-Cell Structure

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Keywords

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