A microcomputer using Controller for Generation PWM
Hussein Baqir
Hussein Baqir, Lecturer, College of Electrical and Electronic Technique in Baghdad.
Manuscript received on April 05, 2014. | Revised Manuscript received on April 11, 2014. | Manuscript published on April 15, 2014. | PP: 8-12 | Volume-2 Issue-5, March 2014.| Retrieval Number: E0628042514/2014©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Design and construction of microcomputer for inverter controlling, this inverter is designed by using power electronics switches type MOSFET. The MOSFET’s are controlled by using pulses depending on sampled sinusoidal Pulse Width Modulation (SPWM) technique with frequency ratio changing. Constant voltage to frequency (V/F) ratio is maintained through the program leading to constant flux speed range. The range of inverter output frequency is (0→ 50 Hz). This inverter output control the 3-ph induction motor speed.
Keywords: sinusoidal Pulse Width Modulation (SPWM)voltage to frequency.