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Three leg center-split inverter controlled by 3D SVM under DC variation
Ning-Yi Dai; Man-Chung Wong; Ying-Duo Han
2004
Conference NameThe 4th International Power Electronics and Motion Control Conference, 2004. IPEMC 2004.
Source PublicationThe 4th International Power Electronics and Motion Control Conference, 2004. IPEMC 2004.
Volume3
Pages1362-1367
Conference Date14-16 Aug. 2004
Conference PlaceXi'an
CountryChina
PublisherIEEE
Other Abstract

In this paper, the novel three-dimensional space vector modulation (3DSVM) under d.c. variation is proposed for controlling the 3-leg center-split inverter. Different from the conventional 2-Dimentional SVM, the zero vectors can not only reduce the switching losses by optimizing the switching sequences hut also compensate the neutral line current in the novel 3DSVM. However, the dc voltage variation affects the origin or reference point along with the zero-axis, which is considered as the most ["portant operation issues of the three-leg center-split inverter. The 3DSVM under d.c. variation is achieved, which can maintain the output performance when the d.c. voltage unbalance occurs. And the d.c. voltage variation limitation is also discussed. A 3-leg center-split inverter prototype is implemented and used as a shunt power quality compensator for three-phase four-wire system. Simulation and experimental results are given to validate the effectiveness of the proposed control strategy.

KeywordCenler-splil Inverter D. c Voltage Variation Three-phase Four-wire Syslein
URLView the original
Language英语
Fulltext Access
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationFac. of Sci. & Technol., Univ. of Macau, China
Recommended Citation
GB/T 7714
Ning-Yi Dai,Man-Chung Wong,Ying-Duo Han. Three leg center-split inverter controlled by 3D SVM under DC variation[C]:IEEE,2004:1362-1367.
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