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International Journal of Advanced Computer Science and Applications(IJACSA), Volume 9 Issue 7, 2018.
Abstract: This manuscript presents the effects of changing modulation indices on current and voltage harmonics of universal motor when it is supplied by single phase PWM (SP-PWM) inverter, the effect has been analyzed with simulation and experimental setup. For variable speed applications universal motor can be controlled either by phase angle control drive or by SP-PWM inverter drive. SP-PWM inverter-fed drive is common technique that is used to adjust the voltage applied to motor, so that variable speed can be obtained. With the application of SP-PWM inverter-fed drive, harmonics are generated because of power electronic devices. According to the IEEE standard 519, the total harmonic distortion (THD) must be within 5%. In this paper, the effect of modulation index (MI) is used to analyze THD content, and its variation alters the harmonic content. However, the effects are also analyzed through experimental setup in order to validate the system performance. In future work, keeping modulation index constant, different PWM strategies can be employed in order to decrease harmonics.
Asif A. Solangi, Mehr Gul, Rameez Shaikh, Farhana Umer, Noman Khan Pathan and Zeeshan Anjum Memon, “Effects of Modulation Index on Harmonics of SP-PWM Inverter Supplying Universal Motor” International Journal of Advanced Computer Science and Applications(IJACSA), 9(7), 2018. http://dx.doi.org/10.14569/IJACSA.2018.090724
@article{Solangi2018,
title = {Effects of Modulation Index on Harmonics of SP-PWM Inverter Supplying Universal Motor},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2018.090724},
url = {http://dx.doi.org/10.14569/IJACSA.2018.090724},
year = {2018},
publisher = {The Science and Information Organization},
volume = {9},
number = {7},
author = {Asif A. Solangi and Mehr Gul and Rameez Shaikh and Farhana Umer and Noman Khan Pathan and Zeeshan Anjum Memon}
}
Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.