A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System
To date, the grid-connected solar photovoltaic (PV) system has drawn consideration from researchers and academicians due to the speedy improvement and the declining price of solar panels. The proficiency and dependability of a grid integrated PV system rest mainly on the power conversion unit and th...
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oai:doaj.org-article:043c2cf686f64eaf9b8a629674263fdd2021-11-11T19:40:52ZA Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System10.3390/su1321120182071-1050https://doaj.org/article/043c2cf686f64eaf9b8a629674263fdd2021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/12018https://doaj.org/toc/2071-1050To date, the grid-connected solar photovoltaic (PV) system has drawn consideration from researchers and academicians due to the speedy improvement and the declining price of solar panels. The proficiency and dependability of a grid integrated PV system rest mainly on the power conversion unit and the proper controlling mechanism. This paper introduces a novel asymmetric hexagonal-shaped fifteen-level inverter designed to feed a grid-integrated solar PV system. First, it aims to reduce the number of components and thereby decrease the installation space and cost of the multilevel inverter. Moreover, it has a low total blocking voltage (TBV) and total device rating (TDR) and uses few switching devices for generating per level of output voltage. The proposed topology utilizes only eight switching devices for generating fifteen levels at the output, which is lower than conventional multilevel inverter topologies. Here, a low-frequency modulation scheme using the half-height (HH) method generates switching pulses to minimize the complexity. The proposed multilevel inverter topology is also validated through the simulations in the MATLAB SIMULINK environment. The proposed inverter need for filters is illustrated according to different grid codes for integrating PV systems to the grid.Md. Tariqul IslamHady H. FayekEugen RusuMd. Fayzur RahmanMDPI AGarticlephotovoltaic systemasymmetrichexagonal-shapedtotal blocking voltagetotal device ratinghalf-height methodEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 12018, p 12018 (2021) |
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photovoltaic system asymmetric hexagonal-shaped total blocking voltage total device rating half-height method Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 |
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photovoltaic system asymmetric hexagonal-shaped total blocking voltage total device rating half-height method Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Md. Tariqul Islam Hady H. Fayek Eugen Rusu Md. Fayzur Rahman A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
description |
To date, the grid-connected solar photovoltaic (PV) system has drawn consideration from researchers and academicians due to the speedy improvement and the declining price of solar panels. The proficiency and dependability of a grid integrated PV system rest mainly on the power conversion unit and the proper controlling mechanism. This paper introduces a novel asymmetric hexagonal-shaped fifteen-level inverter designed to feed a grid-integrated solar PV system. First, it aims to reduce the number of components and thereby decrease the installation space and cost of the multilevel inverter. Moreover, it has a low total blocking voltage (TBV) and total device rating (TDR) and uses few switching devices for generating per level of output voltage. The proposed topology utilizes only eight switching devices for generating fifteen levels at the output, which is lower than conventional multilevel inverter topologies. Here, a low-frequency modulation scheme using the half-height (HH) method generates switching pulses to minimize the complexity. The proposed multilevel inverter topology is also validated through the simulations in the MATLAB SIMULINK environment. The proposed inverter need for filters is illustrated according to different grid codes for integrating PV systems to the grid. |
format |
article |
author |
Md. Tariqul Islam Hady H. Fayek Eugen Rusu Md. Fayzur Rahman |
author_facet |
Md. Tariqul Islam Hady H. Fayek Eugen Rusu Md. Fayzur Rahman |
author_sort |
Md. Tariqul Islam |
title |
A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
title_short |
A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
title_full |
A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
title_fullStr |
A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
title_full_unstemmed |
A Novel Hexagonal-Shaped Multilevel Inverter with Reduced Switches for Grid-Integrated Photovoltaic System |
title_sort |
novel hexagonal-shaped multilevel inverter with reduced switches for grid-integrated photovoltaic system |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/043c2cf686f64eaf9b8a629674263fdd |
work_keys_str_mv |
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