Please use this identifier to cite or link to this item: https://doi.org/10.1109/TIA.2007.895766
Title: A simple space vector PWM scheme to operate a three-level NPC inverter at high modulation index including overmodulation region, with neutral point balancing
Authors: Gupta, A.K.
Khambadkone, A.M. 
Keywords: Modulation index
Neutral point balancing
Overmodulation
Space vector pulse width modulation (SVPWM)
Three-level neutral point clamped (NPC) inverter
Issue Date: May-2007
Source: Gupta, A.K., Khambadkone, A.M. (2007-05). A simple space vector PWM scheme to operate a three-level NPC inverter at high modulation index including overmodulation region, with neutral point balancing. IEEE Transactions on Industry Applications 43 (3) : 751-760. ScholarBank@NUS Repository. https://doi.org/10.1109/TIA.2007.895766
Abstract: Three-level neutral point clamped (NPC) inverter is a widely used topology of multilevel inverters. However, the neutral point fluctuates for certain switching states. At low modulation index, the fluctuations can be compensated using redundant switching states. But, at higher modulation index and in overmodulation region, the neutral point fluctuation deteriorates the performance of the inverter. This paper proposes a simple space vector pulsewidth modulation scheme for operating a three-level NPC inverter at higher modulation indexes, including overmodulation region, with neutral point balancing. Experimental results are provided. © 2007 IEEE.
Source Title: IEEE Transactions on Industry Applications
URI: http://scholarbank.nus.edu.sg/handle/10635/54809
ISSN: 00939994
DOI: 10.1109/TIA.2007.895766
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