A simple open-circuit fault detection method for a fault-tolerant DC/DC converter

Soon, JL; Dah-Chuan Lu, D

A simple open-circuit fault detection method for a fault-tolerant DC/DC converter

Soon, JL Dah-Chuan Lu, D

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Publication Type:: Conference Proceeding
Citation:: Proceedings of the International Conference on Power Electronics and Drive Systems, 2015, 2015-August pp. 98 - 103
Issue Date:: 2015-08-14

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Field	Value	Language
dc.contributor.author	Soon, JL	en_US
dc.contributor.author	Dah-Chuan Lu, D https://orcid.org/0000-0003-2145-0580	en_US
dc.date.issued	2015-08-14	en_US
dc.identifier.citation	Proceedings of the International Conference on Power Electronics and Drive Systems, 2015, 2015-August pp. 98 - 103	en_US
dc.identifier.isbn	9781479944033	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119941
dc.description.abstract	© 2015 IEEE. This paper presents a two-switch step-down converter topology with fault tolerant capability. The proposed fault detection method uses the source-to-ground voltage of the floating MOSFET to identify the fault. If an open-circuit fault on the MOSFET occurs, the source voltage will become zero. The micro-controller which detects the fault will activate an alternative path through another MOSFET to maintain converter output regulation. The redundancy concept which is applied to this topology uses the same output inductor and capacitor to operate the converter in buck mode during normal operation and in buck-boost mode after fault. Experimental results are reported to confirm the design and demonstrate the fault tolerant operation.	en_US
dc.relation.ispartof	Proceedings of the International Conference on Power Electronics and Drive Systems	en_US
dc.relation.isbasedon	10.1109/PEDS.2015.7203511	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A simple open-circuit fault detection method for a fault-tolerant DC/DC converter	en_US
dc.type	Conference Proceeding
utslib.citation.volume	2015-August	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	2015-August	en_US

Abstract:

© 2015 IEEE. This paper presents a two-switch step-down converter topology with fault tolerant capability. The proposed fault detection method uses the source-to-ground voltage of the floating MOSFET to identify the fault. If an open-circuit fault on the MOSFET occurs, the source voltage will become zero. The micro-controller which detects the fault will activate an alternative path through another MOSFET to maintain converter output regulation. The redundancy concept which is applied to this topology uses the same output inductor and capacitor to operate the converter in buck mode during normal operation and in buck-boost mode after fault. Experimental results are reported to confirm the design and demonstrate the fault tolerant operation.

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http://hdl.handle.net/10453/119941