Design

Three-level, three-phase SiC AC-to-DC converter reference design

7th March 2019
Alex Lynn
0

This reference design from Texas Instruments provides an overview on how to implement a three-level, three-phase, SiC-based AC/DC converter with bi-directional functionality. A high switching frequency of 50kHz reduces the size of magnetics for the filter design and as a result a higher power density. 

SiC MOSFETs with switching loss enable higher DC bus voltages of up to 800V and lower switching losses with a peak efficiency of >97%. This design is configurable to work as a two-level or three-level rectifier.

The system is controlled by a single C2000 microcontroller (MCU), TMS320F28379D, which generates PWM waveforms for all power electronic switching devices under all operating modes.

To learn more, click here.

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