Microcontroller Based Space Vector PWM Control of Three Phase Voltage Source Inverter

Author(s):

Salah Gh. Ramadan; Gamal M. Sarhan; Ayman Y. Yousef

Published in:

HCTL Open International Journal of Technology Innovations and Research (IJTIR), e-ISSN: 2321-1814

Published on:

22-September-2015

Volume:

Volume 17, September 2015, ISBN:978-1-94416-926-8.

Copyright Information:

© 2015 by the Authors; Licensed by HCTL Open, India.

License Information:

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License.

Abstract

The objective of this paper is to present a design and implementation of Space Vector Pulse Width Modulation (SVPWM) technique to generate the sequence pattern of the PWM inverter driving signals. The aim of the Space Vector Modulator (SVM) is to optimize the operational characteristics of ac drive by minimizing the harmonics of the currents. The SVM is implemented in the High Speed Output (HSO) unit of the microcontroller which accepts the outputs of the direct and quadrature current controllers and the flux position angle from the machine model, and gives the three switching pulse patterns required to drive the inverter unit. The essential dead time required for the switching devices is implemented to protect the power switches of the same inverter arm against the short circuit current during the switching transients. In this paper, the space vector modulator and the dead time compensator is configured and implemented completely in a single chip Intel 80C196KC microcontroller in order to minimize the hardware of the system.


Keywords

Space vector PWM, Frame of Reference, VSI, Switching patterns, Microcontroller.

Cite this Article

Salah Gh. Ramadan; Gamal M. Sarhan; Ayman Y. Yousef, Microcontroller Based Space Vector PWM Control of Three Phase Voltage Source Inverter, HCTL Open International Journal of Technology Innovations and Research (IJTIR), Volume 17, September 2015, e-ISSN: 2321-1814, ISBN: 978-1-94416-926-8.

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