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Study of Variation of THD in a Diode Clamped Multilevel Inverter with respect to Modulation Index and Control Strategy
| International Conference and Workshop on Emerging Trends in Technology |
| Foundation of Computer Science USA |
| ICWET - Number 12 |
| None 2011 |
| Authors: Janyavula Deepthi, S N Saxena |
| 300835f5-e0e9-4e0f-b5b5-64d93f0619af |
Janyavula Deepthi, S N Saxena . Study of Variation of THD in a Diode Clamped Multilevel Inverter with respect to Modulation Index and Control Strategy. International Conference and Workshop on Emerging Trends in Technology. ICWET, 12 (None 2011), 37-42.
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.
References
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