An Overview of Carrier-based Modulation Methods for Z-Source Inverter

Single-stage energy converters, in particular, the Z-Source Inverter (ZSI) or impedance source inverter, has gained significant attention in the recent years. ZSI ensures flexible energy conversions (dc–dc, dc–ac, ac–ac and ac–dc) because of its unique ability to boost the output voltage in typical...

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Main Author: Roomi Muhammad M.
Format: Article
Language:English
Published: Sciendo 2019-06-01
Series:Power Electronics and Drives
Subjects:
Online Access:http://www.degruyter.com/view/j/pead.2018.4.issue-1/pead-2019-0007/pead-2019-0007.xml?format=INT
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author Roomi Muhammad M.
author_facet Roomi Muhammad M.
author_sort Roomi Muhammad M.
collection DOAJ
description Single-stage energy converters, in particular, the Z-Source Inverter (ZSI) or impedance source inverter, has gained significant attention in the recent years. ZSI ensures flexible energy conversions (dc–dc, dc–ac, ac–ac and ac–dc) because of its unique ability to boost the output voltage in typical renewable energy systems. The impedance network integrated between the energy source and the load contributes to the unique functionality of the ZSI. As substantial research has been conducted on the ZSI, this article provides a review on the operation of ZSI. The article initially examines the various topologies commonly adopted for the application of the ZSI. Subsequently, details of the various modulation methods that are commonly used to obtain the voltage boosting using ZSI are documented. Additionally, the phenomenon of neutral point formation, which is an important impediment to the adoption of multilevel ZSIs and the limitation of the modulation methods, is explained.
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spelling doaj.art-b602b61b0e0f48bfb4133d115a221a152022-12-22T01:22:44ZengSciendoPower Electronics and Drives2543-42922019-06-0141153110.2478/pead-2019-0007pead-2019-0007An Overview of Carrier-based Modulation Methods for Z-Source InverterRoomi Muhammad M.0iTrust, Center for Research in Cyber Security, Singapore University of Technology and DesignSingle-stage energy converters, in particular, the Z-Source Inverter (ZSI) or impedance source inverter, has gained significant attention in the recent years. ZSI ensures flexible energy conversions (dc–dc, dc–ac, ac–ac and ac–dc) because of its unique ability to boost the output voltage in typical renewable energy systems. The impedance network integrated between the energy source and the load contributes to the unique functionality of the ZSI. As substantial research has been conducted on the ZSI, this article provides a review on the operation of ZSI. The article initially examines the various topologies commonly adopted for the application of the ZSI. Subsequently, details of the various modulation methods that are commonly used to obtain the voltage boosting using ZSI are documented. Additionally, the phenomenon of neutral point formation, which is an important impediment to the adoption of multilevel ZSIs and the limitation of the modulation methods, is explained.http://www.degruyter.com/view/j/pead.2018.4.issue-1/pead-2019-0007/pead-2019-0007.xml?format=INTac–dc power conversionimpedance source invertermodulation methodsshoot throughphase opposition dispositionreference disposition
spellingShingle Roomi Muhammad M.
An Overview of Carrier-based Modulation Methods for Z-Source Inverter
Power Electronics and Drives
ac–dc power conversion
impedance source inverter
modulation methods
shoot through
phase opposition disposition
reference disposition
title An Overview of Carrier-based Modulation Methods for Z-Source Inverter
title_full An Overview of Carrier-based Modulation Methods for Z-Source Inverter
title_fullStr An Overview of Carrier-based Modulation Methods for Z-Source Inverter
title_full_unstemmed An Overview of Carrier-based Modulation Methods for Z-Source Inverter
title_short An Overview of Carrier-based Modulation Methods for Z-Source Inverter
title_sort overview of carrier based modulation methods for z source inverter
topic ac–dc power conversion
impedance source inverter
modulation methods
shoot through
phase opposition disposition
reference disposition
url http://www.degruyter.com/view/j/pead.2018.4.issue-1/pead-2019-0007/pead-2019-0007.xml?format=INT
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