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Using VFCB PWM Method Multilevel Inverter Balancing Switching Transitions


N. Kamalakannan, A. Arulvizhi, J. Jayashree
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A multi-level PWM technique has been developed to reduce the lower order harmonic distortion. The implementation of the existing control strategies has been found to affect the switch utilization and increase the losses. The Variable Frequency Carrier Band (VFCB) has been found to equalize the number of switching at all levels and contributes to reducing the losses besides allowing uniform dissipation of power in the switching devices. The existing SHPWM methods create inferior harmonic spectrum and unequal utilization of devices. Therefore, a new Pulse Width Modulation (PWM) strategy, with the view to ensure that the power devices at all the levels are switched equal number of times is proposed in this paper. The MATLAB-based simulation response and its experimental validation are included to highlight the fact that there is a significant enhancement in harmonic power distribution besides contributing to reduce the switching losses and improve the efficiency.

N. Kamalakannan, A. Arulvizhi, J. Jayashree

Harmonics, modulation, multilevel inverter, THD, VFCB

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Publication Details

Published in : Volume 2 | Issue 5 | September-October - 2016
Date of Publication Print ISSN Online ISSN
2016-10-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
289-295 IJSRSET162528   Technoscience Academy

Cite This Article

N. Kamalakannan, A. Arulvizhi, J. Jayashree, "Using VFCB PWM Method Multilevel Inverter Balancing Switching Transitions", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 5, pp.289-295, September-October-2016.
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