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Study of Variation of THD in a Diode Clamped Multilevel Inverter with Respect to Modulation Index and Control Strategy

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International Conference and Workshop on Emerging Trends in Technology
© 2011 by IJCA Journal
Number 12 - Article 7
Year of Publication: 2011
Authors:
Janyavula Deepthi
S N Saxena

Janyavula Deepthi and S N Saxena. Study of Variation of THD in a Diode Clamped Multilevel Inverter with respect to Modulation Index and Control Strategy. IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET) (12):37-42, 2011. Full text available. BibTeX

@article{key:article,
	author = {Janyavula Deepthi and S N Saxena},
	title = {Study of Variation of THD in a Diode Clamped Multilevel Inverter with respect to Modulation Index and Control Strategy},
	journal = {IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET)},
	year = {2011},
	number = {12},
	pages = {37-42},
	note = {Full text available}
}

Abstract

Due to their ability to synthesize waveforms with better harmonic spectrum and attain higher voltages, multi-level inverters are receiving increasing attention in the past few years. The multilevel inverter was introduced as a solution to increase the converter operating voltage above the voltage limits of classical semiconductors. In this paper, a Diode Clamped Multilevel Inverter is controlled with Sinusoidal PWM, Third Harmonic Injection PWM and Sixty degrees PWM and the variation of Total Harmonic Distortion in their outputs are observed. Also, a Diode Clamped inverter is controlled by Sinusoidal PWM technique and by varying the modulation index, variation of Total Harmonic Distortion is observed.

Reference

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