IET Power Electronics, ( ISI ), Volume (14), No (2), Year (2021-2) , Pages (412-421)

Title : ( A new enhanced-boost switched-capacitor quasi Z-source network )

Authors: majid hoseini , Reza Ghazi , Ali Nikbahar , mohammad eydi ,

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Abstract

This paper proposes a new enhanced-boost non-transformer-based impedance source network. The strong boosting ability of the proposed topology is realized by making use of the switched capacitor concept in the formerly introduced enhanced-boost quasi Z-source network (EB-qZSN) without any additional active switch. Meanwhile, the advantages of the EB-qZSN such as input current continuity and shared ground between the input and the output are maintained. In addition to the lower shoot-through requirement to obtain high voltage gains, the proposed impedance network takes advantage of a smaller size of passive components along with a lower input current ripple to achieve higher power density and higher efficiency. Moreover, the lower total rating of the switching elements, defined by switching device power, directly translates to lower cost for the proposed method. The operation principles and the design guideline of components are explained in detail and a thorough comparison with other ZSN is presented. A 240W DC–DC prototype converter was built to validate the performance principles and properties of the proposed impedance network

Keywords

, Z source network, Boost converter
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@article{paperid:1084441,
author = {Hoseini, Majid and Ghazi, Reza and Nikbahar, Ali and Eydi, Mohammad},
title = {A new enhanced-boost switched-capacitor quasi Z-source network},
journal = {IET Power Electronics},
year = {2021},
volume = {14},
number = {2},
month = {February},
issn = {1755-4535},
pages = {412--421},
numpages = {9},
keywords = {Z source network; Boost converter},
}

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%0 Journal Article
%T A new enhanced-boost switched-capacitor quasi Z-source network
%A Hoseini, Majid
%A Ghazi, Reza
%A Nikbahar, Ali
%A Eydi, Mohammad
%J IET Power Electronics
%@ 1755-4535
%D 2021

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