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Study of Sic Mosfet used in Two Quadrant Converter

Author(s):

Sushant Verma , Jabalpur Engineering College Jabalpur India; A.K.Sharma, Jabalpur Engineering College Jabalpur

Keywords:

SiC MOSFET, Two Quadrant Converter, Type D Chopper, IGBT

Abstract

Since IGBTs are used for switching in two quadrant converter (100 V/ 50 A) but because of high DC output current i.e. 50 A, it exhibits switching losses more so, size of heat sink increases and as a result size of the SMPS also increases. Since IGBTs has slow switching characteristics which effects the performance as well. Therefore, SiC MOSFET exhibits low on state resistant area even at high temperature as compared with IGBT and also can be used for switching purpose while designing two quadrant converter with bipolar voltage switching which decreases the switching time and as a result, frequency of the two quadrant converter increases and hence, size of the choke used in the filter circuit reduces because as frequency increases, inductance decreases and due to which, the size of the two quadrant converter circuit reduces and efficiency increases.

Other Details

Paper ID: IJSRDV5I51096
Published in: Volume : 5, Issue : 5
Publication Date: 01/08/2017
Page(s): 691-693

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