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Inverter Two-Level PWM Harmonic Enhancement Based on Phase Shift Tuning Technique | ||
| Al-Rafidain University College For Sciences | ||
| Article 1, Volume 0, Issue 40, 2017, Pages 232-244 | ||
| Author | ||
| Mohammed S. M. A. Khesbak | ||
| Abstract | ||
| Frequency harmonic reduction and elimination is a vital field of research due to its importance in minimizing the percentage of total harmonic distortion in power systems. The two-level Pulse Width Modulation (PWM) method of AC generation is with less sophisticated control circuitry requirement compared to higher level PWM techniques. This paper is proposing a new control methodology with a reduced harmonic spectrum. The new trend here is to manipulate the PWM two-level reference waveform by duplicating the generation process with a tuned phase shifting added to the reference waveform. The new technique results in a harmonic reduction of the unfiltered output with about 50% compared to that of the conventional Bipolar SPWM. | ||
| Keywords | ||
| Two level PWM; inverter; harmonic reduction | ||
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