Class of high boost inverters based on switched-inductor structure

Minh Khai Nguyen; Tuan Vu Le; Sung Jun Park; Young Cheol Lim; Ji Yoon Yoo

doi:10.1049/iet-pel.2014.0471

Class of high boost inverters based on switched-inductor structure

Minh Khai Nguyen, Tuan Vu Le, Sung Jun Park, Young Cheol Lim, Ji Yoon Yoo

School of Electrical Engineering

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

71 Citations (Scopus)

Abstract

This study deals with a class of the switched-inductor boost inverters (SLBIs) including the DC-linked type, continuous, discontinuous and ripple input current topologies. Compared with the conventional switched boost inverters, the SLBIs add only three diodes and one inductor to obtain a strong boost factor. In comparison with the conventional switched-inductor Z-source inverters (ZSIs) for the same voltage gain at the same modulation indexes, the proposed SLBIs use one more active switch and less passive components which results in reducing the size and cost. Moreover, the efficiency of the proposed inverters is improved in comparison with the conventional switchedinductor ZSIs. Analysis and operating principles are presented. A laboratory prototype was built with 24, 36, 48 V DC input and 127 Vrms output voltage to test high boost ability of the proposed inverters.

Original language	English
Pages (from-to)	750-759
Number of pages	10
Journal	IET Power Electronics
Volume	8
Issue number	5
DOIs	https://doi.org/10.1049/iet-pel.2014.0471
Publication status	Published - 2015 May 1

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1049/iet-pel.2014.0471

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title = "Class of high boost inverters based on switched-inductor structure",

abstract = "This study deals with a class of the switched-inductor boost inverters (SLBIs) including the DC-linked type, continuous, discontinuous and ripple input current topologies. Compared with the conventional switched boost inverters, the SLBIs add only three diodes and one inductor to obtain a strong boost factor. In comparison with the conventional switched-inductor Z-source inverters (ZSIs) for the same voltage gain at the same modulation indexes, the proposed SLBIs use one more active switch and less passive components which results in reducing the size and cost. Moreover, the efficiency of the proposed inverters is improved in comparison with the conventional switchedinductor ZSIs. Analysis and operating principles are presented. A laboratory prototype was built with 24, 36, 48 V DC input and 127 Vrms output voltage to test high boost ability of the proposed inverters.",

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AU - Nguyen, Minh Khai

AU - Le, Tuan Vu

AU - Park, Sung Jun

AU - Lim, Young Cheol

AU - Yoo, Ji Yoon

PY - 2015/5/1

Y1 - 2015/5/1

N2 - This study deals with a class of the switched-inductor boost inverters (SLBIs) including the DC-linked type, continuous, discontinuous and ripple input current topologies. Compared with the conventional switched boost inverters, the SLBIs add only three diodes and one inductor to obtain a strong boost factor. In comparison with the conventional switched-inductor Z-source inverters (ZSIs) for the same voltage gain at the same modulation indexes, the proposed SLBIs use one more active switch and less passive components which results in reducing the size and cost. Moreover, the efficiency of the proposed inverters is improved in comparison with the conventional switchedinductor ZSIs. Analysis and operating principles are presented. A laboratory prototype was built with 24, 36, 48 V DC input and 127 Vrms output voltage to test high boost ability of the proposed inverters.

AB - This study deals with a class of the switched-inductor boost inverters (SLBIs) including the DC-linked type, continuous, discontinuous and ripple input current topologies. Compared with the conventional switched boost inverters, the SLBIs add only three diodes and one inductor to obtain a strong boost factor. In comparison with the conventional switched-inductor Z-source inverters (ZSIs) for the same voltage gain at the same modulation indexes, the proposed SLBIs use one more active switch and less passive components which results in reducing the size and cost. Moreover, the efficiency of the proposed inverters is improved in comparison with the conventional switchedinductor ZSIs. Analysis and operating principles are presented. A laboratory prototype was built with 24, 36, 48 V DC input and 127 Vrms output voltage to test high boost ability of the proposed inverters.

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Class of high boost inverters based on switched-inductor structure

Abstract

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