Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor

Abstract Two structures are proposed based on the quasi Z‐source inverter (qZSI), which can significantly raise the output voltage in applications, including photovoltaic and fuel cells, in which the input voltage is low. The proposed inverters provide a continuous input current and reduce the volta...

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Autores principales:	Jamal Abbasi Bolaghi, Asghar Taheri, Mohammad Hosein Babaei, Masoumeh Gholami
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/f33269f5327b4cfc853d864591117554
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spelling	oai:doaj.org-article:f33269f5327b4cfc853d8645911175542021-11-22T13:36:44ZQuasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor1755-45431755-453510.1049/pel2.12199https://doaj.org/article/f33269f5327b4cfc853d8645911175542021-12-01T00:00:00Zhttps://doi.org/10.1049/pel2.12199https://doaj.org/toc/1755-4535https://doaj.org/toc/1755-4543Abstract Two structures are proposed based on the quasi Z‐source inverter (qZSI), which can significantly raise the output voltage in applications, including photovoltaic and fuel cells, in which the input voltage is low. The proposed inverters provide a continuous input current and reduce the voltage stress on capacitor. Besides, the proposed switched‐capacitor‐inductor qZSI (SCL‐qZSI) can suppress inrush current at the start up moment as this current might damage the devices. The performance of the proposed structures is investigated at different operating modes, and the voltage equations are calculated. The voltage stress on switches, the voltage stress on capacitors, the voltage stress on diodes, and the current stress on inductor, as well as the average DC‐link current, the gain voltage (G), and the boost factor (B) of the proposed inverters, are analysed and derived. They are then compared with similar converters. To confirm the performance of the proposed converters, a laboratory sample of converters is made, which with output voltages, capacitors voltages, input and output current for the proposed converters. The DC‐link (Vi) voltage is 95 with boost factor 1.6 for SCL‐qZSI, and the DC‐link voltage is 216 with boost factor 3.6 for the enhance switched‐capacitor‐inductor qZSI (ESCL‐qZSI), which confirms the relationships obtained from the proposed converters. Also, the abbreviation for this paper is shown in table 1.Jamal Abbasi BolaghiAsghar TaheriMohammad Hosein BabaeiMasoumeh GholamiWileyarticleElectronicsTK7800-8360ENIET Power Electronics, Vol 14, Iss 16, Pp 2545-2562 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360
spellingShingle	Electronics TK7800-8360 Jamal Abbasi Bolaghi Asghar Taheri Mohammad Hosein Babaei Masoumeh Gholami Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
description	Abstract Two structures are proposed based on the quasi Z‐source inverter (qZSI), which can significantly raise the output voltage in applications, including photovoltaic and fuel cells, in which the input voltage is low. The proposed inverters provide a continuous input current and reduce the voltage stress on capacitor. Besides, the proposed switched‐capacitor‐inductor qZSI (SCL‐qZSI) can suppress inrush current at the start up moment as this current might damage the devices. The performance of the proposed structures is investigated at different operating modes, and the voltage equations are calculated. The voltage stress on switches, the voltage stress on capacitors, the voltage stress on diodes, and the current stress on inductor, as well as the average DC‐link current, the gain voltage (G), and the boost factor (B) of the proposed inverters, are analysed and derived. They are then compared with similar converters. To confirm the performance of the proposed converters, a laboratory sample of converters is made, which with output voltages, capacitors voltages, input and output current for the proposed converters. The DC‐link (Vi) voltage is 95 with boost factor 1.6 for SCL‐qZSI, and the DC‐link voltage is 216 with boost factor 3.6 for the enhance switched‐capacitor‐inductor qZSI (ESCL‐qZSI), which confirms the relationships obtained from the proposed converters. Also, the abbreviation for this paper is shown in table 1.
format	article
author	Jamal Abbasi Bolaghi Asghar Taheri Mohammad Hosein Babaei Masoumeh Gholami
author_facet	Jamal Abbasi Bolaghi Asghar Taheri Mohammad Hosein Babaei Masoumeh Gholami
author_sort	Jamal Abbasi Bolaghi
title	Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
title_short	Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
title_full	Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
title_fullStr	Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
title_full_unstemmed	Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
title_sort	quasi z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/f33269f5327b4cfc853d864591117554
work_keys_str_mv	AT jamalabbasibolaghi quasizsourceinverterwithswitchedcapacitorinductorforenhancingboostfactor AT asghartaheri quasizsourceinverterwithswitchedcapacitorinductorforenhancingboostfactor AT mohammadhoseinbabaei quasizsourceinverterwithswitchedcapacitorinductorforenhancingboostfactor AT masoumehgholami quasizsourceinverterwithswitchedcapacitorinductorforenhancingboostfactor
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Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor

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