Analysis, design, and experimental verification of high step-up DC-DC converter to interface renewable energy sources into dc nanogrid

Hassan, W; Gautum, S; Lu, DDC; Xiao, W

Analysis, design, and experimental verification of high step-up DC-DC converter to interface renewable energy sources into dc nanogrid

Hassan, W Gautum, S Lu, DDC

Xiao, W

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Publication Type:: Conference Proceeding
Citation:: Proceedings of the IEEE International Conference on Industrial Technology, 2019, 2019-February pp. 1649 - 1654
Issue Date:: 2019-02-01

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Field	Value	Language
dc.contributor.author	Hassan, W	en_US
dc.contributor.author	Gautum, S	en_US
dc.contributor.author	Lu, DDC https://orcid.org/0000-0003-2145-0580	en_US
dc.contributor.author	Xiao, W	en_US
dc.date.issued	2019-02-01	en_US
dc.identifier.citation	Proceedings of the IEEE International Conference on Industrial Technology, 2019, 2019-February pp. 1649 - 1654	en_US
dc.identifier.isbn	9781538663769	en_US
dc.identifier.uri	http://hdl.handle.net/10453/138758
dc.description.abstract	© 2019 IEEE. This paper proposes a new non-isolated, high step-up DC-DC converter to interface renewable sources into DC microgrid. The topology utilizes the coupled inductor and switched capacitor techniques to achieve high step-up voltage conversion ratio. The leakage energy is directly transferred to output to avoid voltage spikes across the switch. The switching devices have relatively low voltage stresses. In addition, the coupled inductor alleviated the reverse recovery problem of the diode. The key features include high efficiency, low voltage stresses, and low component count and cost. The steady-state analysis and operation of the proposed converter are presented in detail. Finally, a 200 W prototype circuit operating at a switching frequency of 100 kHz is built in the laboratory to verify the performance. The experimental results substantiate the theoretical analysis and show a peak efficiency of 96.90%.	en_US
dc.relation.ispartof	Proceedings of the IEEE International Conference on Industrial Technology	en_US
dc.relation.isbasedon	10.1109/ICIT.2019.8755184	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Analysis, design, and experimental verification of high step-up DC-DC converter to interface renewable energy sources into dc nanogrid	en_US
dc.type	Conference Proceeding
utslib.citation.volume	2019-February	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US
pubs.volume	2019-February	en_US

Abstract:

© 2019 IEEE. This paper proposes a new non-isolated, high step-up DC-DC converter to interface renewable sources into DC microgrid. The topology utilizes the coupled inductor and switched capacitor techniques to achieve high step-up voltage conversion ratio. The leakage energy is directly transferred to output to avoid voltage spikes across the switch. The switching devices have relatively low voltage stresses. In addition, the coupled inductor alleviated the reverse recovery problem of the diode. The key features include high efficiency, low voltage stresses, and low component count and cost. The steady-state analysis and operation of the proposed converter are presented in detail. Finally, a 200 W prototype circuit operating at a switching frequency of 100 kHz is built in the laboratory to verify the performance. The experimental results substantiate the theoretical analysis and show a peak efficiency of 96.90%.

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