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Design of an FPGA-Based 3-Phase Sinusoidal PWM Controller

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5 Author(s)

This paper presents a novel single-chip IC (integrated circuit) realization of the 3-sinusoidal PWM (SPWM) controller. The controller's outputs, such as fundamental voltage, frequency, dead time and so on, are controlled by several input clocks' frequency. With an EDA (electronic design automation) methodology, the control IC is implemented using only one single advanced FPGA from Altera, Inc. The output fundamental frequency can be adjusted from 0.094 to 2 kHz or more, and it can be real-time display. The SPWM switching frequency can be set 50 kHz. The dead time for the IGBT is arbitrarily adjustable. The designed SPWM IC can be incorporated with a digital signal processor (DSP) to provide a simple and effective solution for high-performance AC drivers. Further more, the design can be converted into a soft IP (intellectual property) core for other purposes. Simulation and experimental results are given to verify the constructed controller.

Published in:

Control Conference, 2006. CCC 2006. Chinese

Date of Conference:

7-11 Aug. 2006