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Reduction of Ripple Current in DC-DC SiC Converter Using HIL System

Abstract:

This research proposes an analysis for the reduction of ripple current in the output of DC-DC converter type V-I (voltage-current), with silicon carbide (SiC) devices. The frequency of operation of the devices is 100 kHz. For the implementation and control of the topology, a hardware in the loop application (HIL) is designed in LabVIEW + FPGA toolbox. The electronic board used for the generation of signals and control is the SBrio 9636 with FPGA Xilinx Spartan-6 LX45. This document aims to analyze the advantage of using SiC devices in this converter the increase of the frequency help to reduce the ripple in the output current. In addition, to showing the advantages of using HIL applications for the control of converters that help solve the limitations of high frequency operation in some conventional digital systems. Finally, an analysis of experimental results of topology to low and high frequency with SiC are presented.