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High-power multilevel step-up DC/DC converter for offshore wind energy systems

This paper presents a multilevel step-up DC/DC converter for DC grid-based offshore wind energy conversion applications. The main features of the proposed multilevel converter are as follows: 1) the voltage stress of the power devices can be lowered, making it suitable for high-voltage applications;...

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Main Authors:	Parastar, Amir, Jul-Ki Seok
Format:	Conference Proceeding
Language:	English
Subjects:	Capacitors Clamps DC grid-based offshore wind energy high-voltage gain Inductors multilevel step-up converter Stress Switches Topology Wind energy
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creator	Parastar, Amir Jul-Ki Seok
description	This paper presents a multilevel step-up DC/DC converter for DC grid-based offshore wind energy conversion applications. The main features of the proposed multilevel converter are as follows: 1) the voltage stress of the power devices can be lowered, making it suitable for high-voltage applications; 2) the boost inductor can be significantly reduced which leads to the outstanding dynamic performance; and 3) it can reach a high-voltage gain, which is well suited for high-gain applications. The theoretical analysis is carried out for a four-level step-up converter. Therefore, the converter can be extended to any arbitrary number of levels. The proposed four-level converter is verified by a simulation and evaluated to the conventional multilevel DC/DC converter in terms of component stress and power device count. The developed topology has been implemented on a 2-kW prototype converter to confirm its feasibility.
doi_str_mv	10.1109/ECCE.2015.7310335
format	conference_proceeding
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The main features of the proposed multilevel converter are as follows: 1) the voltage stress of the power devices can be lowered, making it suitable for high-voltage applications; 2) the boost inductor can be significantly reduced which leads to the outstanding dynamic performance; and 3) it can reach a high-voltage gain, which is well suited for high-gain applications. The theoretical analysis is carried out for a four-level step-up converter. Therefore, the converter can be extended to any arbitrary number of levels. The proposed four-level converter is verified by a simulation and evaluated to the conventional multilevel DC/DC converter in terms of component stress and power device count. 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The developed topology has been implemented on a 2-kW prototype converter to confirm its feasibility.</description><subject>Capacitors</subject><subject>Clamps</subject><subject>DC grid-based offshore wind energy</subject><subject>high-voltage gain</subject><subject>Inductors</subject><subject>multilevel step-up converter</subject><subject>Stress</subject><subject>Switches</subject><subject>Topology</subject><subject>Wind energy</subject><issn>2329-3721</issn><issn>2329-3748</issn><isbn>9781467371513</isbn><isbn>1467371513</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2015</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><recordid>eNo9kM1OwzAQhA0Ciar0ARAXv0DaXduJ7SNKC0Wq4ALnKnHWbVD-ZKet-vZUouI0c5hvpBnGnhDmiGAXqzxfzQVgOtcSQcr0hs2sNqgyLTWmKG_ZREhhE6mVufv3Ah_YLMYfAECdaSX0hH2s690-GfoTBd4emrFu6EgNjyMNyWHgy3yxzLnruyOF8RLxfeC993HfB-Knuqs4dRR2Zx7PF6SNj-zeF02k2VWn7Pt19ZWvk83n23v-sklqAWZMhLIaXSqpAl1mhZOuKoRVReXIAEGptTep8lgZ66sSJZQ2Q7jMMKVXzhk5Zc9_vTURbYdQt0U4b69vyF94kVFC</recordid><startdate>20150901</startdate><enddate>20150901</enddate><creator>Parastar, Amir</creator><creator>Jul-Ki Seok</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>20150901</creationdate><title>High-power multilevel step-up DC/DC converter for offshore wind energy systems</title><author>Parastar, Amir ; Jul-Ki Seok</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i208t-24971c53ed07b6ac3cda294adce80e0b77f854f1d89fdb130b96102328bf4cc83</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Capacitors</topic><topic>Clamps</topic><topic>DC grid-based offshore wind energy</topic><topic>high-voltage gain</topic><topic>Inductors</topic><topic>multilevel step-up converter</topic><topic>Stress</topic><topic>Switches</topic><topic>Topology</topic><topic>Wind energy</topic><toplevel>online_resources</toplevel><creatorcontrib>Parastar, Amir</creatorcontrib><creatorcontrib>Jul-Ki Seok</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Parastar, Amir</au><au>Jul-Ki Seok</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>High-power multilevel step-up DC/DC converter for offshore wind energy systems</atitle><btitle>2015 IEEE Energy Conversion Congress and Exposition (ECCE)</btitle><stitle>ECCE</stitle><date>2015-09-01</date><risdate>2015</risdate><spage>4781</spage><epage>4788</epage><pages>4781-4788</pages><issn>2329-3721</issn><eissn>2329-3748</eissn><eisbn>9781467371513</eisbn><eisbn>1467371513</eisbn><abstract>This paper presents a multilevel step-up DC/DC converter for DC grid-based offshore wind energy conversion applications. The main features of the proposed multilevel converter are as follows: 1) the voltage stress of the power devices can be lowered, making it suitable for high-voltage applications; 2) the boost inductor can be significantly reduced which leads to the outstanding dynamic performance; and 3) it can reach a high-voltage gain, which is well suited for high-gain applications. The theoretical analysis is carried out for a four-level step-up converter. Therefore, the converter can be extended to any arbitrary number of levels. The proposed four-level converter is verified by a simulation and evaluated to the conventional multilevel DC/DC converter in terms of component stress and power device count. The developed topology has been implemented on a 2-kW prototype converter to confirm its feasibility.</abstract><pub>IEEE</pub><doi>10.1109/ECCE.2015.7310335</doi><tpages>8</tpages></addata></record>
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source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Capacitors Clamps DC grid-based offshore wind energy high-voltage gain Inductors multilevel step-up converter Stress Switches Topology Wind energy
title	High-power multilevel step-up DC/DC converter for offshore wind energy systems
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