Simple and robust predictive direct control of DFIG with low constant switching frequency and reduced torque and flux ripples

Hu, J; Zhu, J; Zhang, Y; Ma, Q; Guo, Y

Simple and robust predictive direct control of DFIG with low constant switching frequency and reduced torque and flux ripples

Hu, J Zhu, J

Zhang, Y Ma, Q Guo, Y

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Publication Type:: Conference Proceeding
Citation:: 2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011, 2011, pp. 771 - 776
Issue Date:: 2011-09-14

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Field	Value	Language
dc.contributor.author	Hu, J	en_US
dc.contributor.author	Zhu, J https://orcid.org/0000-0002-9763-4047	en_US
dc.contributor.author	Zhang, Y	en_US
dc.contributor.author	Ma, Q	en_US
dc.contributor.author	Guo, Y https://orcid.org/0000-0001-6182-0684	en_US
dc.date.issued	2011-09-14	en_US
dc.identifier.citation	2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011, 2011, pp. 771 - 776	en_US
dc.identifier.isbn	9781457700613	en_US
dc.identifier.uri	http://hdl.handle.net/10453/19252
dc.description.abstract	For conventional direct torque control (CDTC) methods, there are usually undesired torque and flux ripples mainly for two reasons. First, the vectors selected are not necessary the best. Secondly, one-step delay influence in digital implementation causes additional torque and flux ripples. This paper proposes a novel predictive direct torque control (PDTC) strategy of the doubly fed induction generator (DFIG). The proposed strategy aims to reduce torque and flux ripples effectively at low constant switching frequency by appropriately arranging two active vectors followed by one zero vector within one control period. Furthermore, one-step delay is compensated using a mode-based prediction scheme. Finally, the control system is simplified through further analysis of the transient slope of torque and flux without performance degradation. Simulation results validate the proposed strategy with excellent steady-state and transient performance, which makes it very suitable for wind power generation. © 2011 IEEE.	en_US
dc.relation.ispartof	2011 IEEE International Electric Machines and Drives Conference, IEMDC 2011	en_US
dc.relation.isbasedon	10.1109/IEMDC.2011.5994909	en_US
dc.title	Simple and robust predictive direct control of DFIG with low constant switching frequency and reduced torque and flux ripples	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
dc.location.activity	Niagara Falls, Canada	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
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	open_access
pubs.publication-status	Published	en_US

Abstract:

For conventional direct torque control (CDTC) methods, there are usually undesired torque and flux ripples mainly for two reasons. First, the vectors selected are not necessary the best. Secondly, one-step delay influence in digital implementation causes additional torque and flux ripples. This paper proposes a novel predictive direct torque control (PDTC) strategy of the doubly fed induction generator (DFIG). The proposed strategy aims to reduce torque and flux ripples effectively at low constant switching frequency by appropriately arranging two active vectors followed by one zero vector within one control period. Furthermore, one-step delay is compensated using a mode-based prediction scheme. Finally, the control system is simplified through further analysis of the transient slope of torque and flux without performance degradation. Simulation results validate the proposed strategy with excellent steady-state and transient performance, which makes it very suitable for wind power generation. © 2011 IEEE.

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http://hdl.handle.net/10453/19252