Harmonics in voltage-source PWM inverters |
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Authors: | K S RAJASHEKARA JOSEPH VITHAYATHIL |
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Affiliation: | Indian Institute of Science , Bangalore, 560012, India |
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Abstract: | The performance of an induction motor fed by PWM inverters is mainly determined by the harmonic contents of the output voltage. This paper presents a method of numerically calculating the harmonics in the output voltage waveform. Equal pulse-width modulation and siunsoidal PWM are studied. Analysis has been done for single-phase and three-phase bridge inverters. A systematic procedure is given for computing the harmonics and the results are. tabulated. |
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