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AuthorBen-Brahim, L.
Available date2009-12-28T07:21:44Z
Publication Date2008
Publication NameIEEE Transactions on Energy Conversion
CitationBen-Brahim, L., "A Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives," Energy Conversion, IEEE Transactions on , vol.23, no.4, pp.1057,1063, Dec. 2008
URIhttp://dx.doi.org/10.1109/TEC.2008.2001435
URIhttp://hdl.handle.net/10576/10511
AbstractThe paper describes a new discontinuous carrier-based pulsewidth modulation (PWM) method for use in variable frequency drives (VFD) driven by three-level inverters. The method introduces three different switching patterns for the full range of operating speeds. Depending on the actual operating speed, the proposed algorithm is developed to select the most suitable PWM switching pattern that improves the VFD performance. This results in low imbalance in the DC-link capacitor voltage, and low current distortions without increasing switching losses. Theory, simulation, and experimental results are presented.
Languageen
PublisherIEEE
SubjectDiscontinuous pulsewidth modulation
Energy saving; Gate turn-off thyristor (GTO)
Neutral point (NP) voltage
Neutral point clamped (NPC)
Pulsewidth modulation (PWM)
Three-level inverter
Variable frequency drives (VFD)
TitleA Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives
TypeArticle
dc.accessType Abstract Only


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