Design of High - power AC Motor Controllers using Sine Wave Pulse Width Modulation
نویسنده
چکیده
General power system supply only provides a fixed voltage and frequency, and its the inverter is mostly used to control AC motor speed with different frequencies. However, it normally requires a rectified DC into AC for the frequency variation. In this study, a digital signal processing technology is developed to generate a Sine Wave Pulse Width Modulation (SPWM) signal to replace the traditional inverter design. Accordingly, the proposed inverter switching signals generated from SPWM can control brushless AC servo motor more easily and accurately. Both simulation and experimental results are proved to verify the effectiveness of the proposed scheme.
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