A Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives

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A Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives

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dc.contributor.author Ben-Brahim, L.
dc.date.accessioned 2009-12-28T07:21:44Z
dc.date.available 2009-12-28T07:21:44Z
dc.date.issued 2008
dc.identifier.citation Volume 23, Issue 4, Dec. 2008 Page(s):1057 - 1063 en_US
dc.identifier.uri http://dx.doi.org/10.1109/TEC.2008.2001435
dc.identifier.uri http://hdl.handle.net/10576/10511
dc.description.abstract The 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. en_US
dc.language.iso en en_US
dc.subject Discontinuous pulsewidth modulation en_US
dc.subject Energy saving; Gate turn-off thyristor (GTO) en_US
dc.subject Neutral point (NP) voltage en_US
dc.subject Neutral point clamped (NPC) en_US
dc.subject Pulsewidth modulation (PWM) en_US
dc.subject Three-level inverter en_US
dc.subject Variable frequency drives (VFD) en_US
dc.title A Discontinuous PWM Method for Balancing the Neutral Point Voltage in Three-Level Inverter-Fed Variable Frequency Drives en_US
dc.type Article en_US

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