2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC) 2013
DOI: 10.1109/apec.2013.6520258
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SiC vertical JFET pure diode-less inverter leg

Abstract: The aim of this paper is to investigate the ability of a vertical structure JFET to operate in an inverter leg without any internal or external diode. The JFET is characterized to show the reverse conduction capability while the gate-to-source voltage is lower than the threshold voltage. An inverter leg is tested at 540 V /5 A and 50 kHz. A specific test board is implemented to assess a safe operation over a period of time.

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Cited by 3 publications
(4 citation statements)
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“…An experimental demonstration of the use of vertical SiC JFET in an inverter leg without external free-wheeling diodes was shown in [13]. This was achieved by taking advantage of the reverse conduction capability of the device.…”
Section: Sic Jfet Application In Inverter and Boost Converter Circuitmentioning
confidence: 99%
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“…An experimental demonstration of the use of vertical SiC JFET in an inverter leg without external free-wheeling diodes was shown in [13]. This was achieved by taking advantage of the reverse conduction capability of the device.…”
Section: Sic Jfet Application In Inverter and Boost Converter Circuitmentioning
confidence: 99%
“…1 shows the cross section of SiC JFET. The types and structures of the JFET is thoroughly discussed in [1], [13], and from which Fig. 2 showing a SiC JFET family tree was drawn.…”
Section: Introductionmentioning
confidence: 99%
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“…The point is that unipolar transistors, JFETs and MOSFETs alike, display an ability to conduct negative currents through the channel [13]. This feature may be utilized in a synchronous rectification discussed in [14], or design of diode-less converters presented in [15] and then in [16][17][18][19][20]. A three-phase converter without external anti-parallel diodes is a very tempting concept, i.e.…”
Section: Introductionmentioning
confidence: 99%