Evaluation of Quasi-Resonant DC-Link Technique on Generalized Three-Level Inverter
Io-Keong Lok; Man-Chung Wong
Conference NameIEEE Asia Pacific Conference on Circuits and Systems (APCCAS 2008)
Source PublicationIEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS
Conference Date30 Nov.-3 Dec. 2008
Conference PlaceMacao, China

This paper presents a combination of a quasi- resonant dc-link (QRDCL) inverter and a generalized three- level inverter. QRDCL inverter can decrease the dc-link voltage to zero in order to provide a zero voltage condition for the power devices. The voltage stresses of the power devices can be released and the switching losses of the inverter can be reduced under zero-voltage switching (ZVS). Generalized multilevel inverter topology provides an alternative way in high level inverter implementation. The generalized multilevel inverter is constructed by several basic cells which enable a higher flexibility in extending the levels of inverter, and moreover it gives the inverter a self voltage balancing ability without any assistance from extra circuits. Control strategy of a generalized three-level QRDCL inverter is proposed. Switching losses of the inverters are also presented to prove the feasibility of a generalized three-level QRDCL inverter. 

URLView the original
Indexed BySCI
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Hardware & Architecture ; Computer Science, Information Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000268007100255
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Document TypeConference paper
CollectionUniversity of Macau
AffiliationDepartment of Electrical and Electronics Engineering Faculty of Science and Technology, University of Macau Macau S.A.R., P.R. China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Io-Keong Lok,Man-Chung Wong. Evaluation of Quasi-Resonant DC-Link Technique on Generalized Three-Level Inverter[C]:IEEE,2008:1033-1036.
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