Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter

Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter

An N-level cascaded H-bridge multilevel inverter is proposed for grid connection of large wave power farms. The point-absorber wave energy converters are individually rectified and used as isolated DC-sources. The variable power characteristics of the wave energy converters are discussed, and a meth...

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Main Authors: Rickard Ekström, Mats Leijon
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:Journal of Electrical and Computer Engineering
Online Access:http://dx.doi.org/10.1155/2013/562548
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spelling doaj-36e801fff2104be39430635808fb4bbc2021-07-02T17:37:45ZengHindawi LimitedJournal of Electrical and Computer Engineering2090-01472090-01552013-01-01201310.1155/2013/562548562548Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel InverterRickard Ekström0Mats Leijon1Division of Electricity, Department of Engineering Sciences, Swedish Centre for Renewable Electric Energy Conversion, Uppsala University, P.O. Box 534, 751 21 Uppsala, SwedenDivision of Electricity, Department of Engineering Sciences, Swedish Centre for Renewable Electric Energy Conversion, Uppsala University, P.O. Box 534, 751 21 Uppsala, SwedenAn N-level cascaded H-bridge multilevel inverter is proposed for grid connection of large wave power farms. The point-absorber wave energy converters are individually rectified and used as isolated DC-sources. The variable power characteristics of the wave energy converters are discussed, and a method of mitigating this issue is demonstrated. The complete power control system is given in detail and has been experimentally verified for a single-phase setup of the 9-level inverter. Theoretical expressions of the power sharing between multilevel cells are derived and show good correspondence with the experimental results.http://dx.doi.org/10.1155/2013/562548
collection DOAJ
language English
format Article
sources DOAJ
author Rickard Ekström
Mats Leijon
spellingShingle Rickard Ekström
Mats Leijon
Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
Journal of Electrical and Computer Engineering
author_facet Rickard Ekström
Mats Leijon
author_sort Rickard Ekström
title Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
title_short Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
title_full Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
title_fullStr Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
title_full_unstemmed Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter
title_sort grid connection of wave power farm using an n-level cascaded h-bridge multilevel inverter
publisher Hindawi Limited
series Journal of Electrical and Computer Engineering
issn 2090-0147
2090-0155
publishDate 2013-01-01
description An N-level cascaded H-bridge multilevel inverter is proposed for grid connection of large wave power farms. The point-absorber wave energy converters are individually rectified and used as isolated DC-sources. The variable power characteristics of the wave energy converters are discussed, and a method of mitigating this issue is demonstrated. The complete power control system is given in detail and has been experimentally verified for a single-phase setup of the 9-level inverter. Theoretical expressions of the power sharing between multilevel cells are derived and show good correspondence with the experimental results.
url http://dx.doi.org/10.1155/2013/562548
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AT matsleijon gridconnectionofwavepowerfarmusingannlevelcascadedhbridgemultilevelinverter
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