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Predicting static losses in switches is an essential step to design a converter. This document details the methodology of a method to calculate static losses in an inverter leg built with SiC Normally-Off JFETs and diodes. Different parameters such as the temperature, the load current and the modulation ratio… are taken into account. As the JFETs can be used in reverse conduction, two strategies (using...
This document shows the behaviour of a SiC switch built with Normally-Off JFETs and a Schottky diode when the JFETs are controlled with a constant gate-to-source voltage or with a constant gate current. The JFETs are used in a direct and reverse conduction. The goal of this study is to determine a gate driver signal that minimizes static losses in the switch in spite of temperature variations. Two...
Background/Aims: In vivo studies have shown that arterial vasodilation induced by synthetic openers of ATP-sensitive K + (K ATP ) channels is decreased in rats with cirrhosis. Since vasodilation induced by these substances is mediated by membrane potential hyperpolarization in arterial smooth muscle cells, membrane potential hyperpolarization in response to K AT...
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