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This paper presents a simple current sensing and reconstruction scheme for a VSI (Voltage Source Inverter) with three shunt resistors. Using the shunt resistors, the actual current can be detected during the turn-on region of the bottom-side switches. . This software module calculates three phase voltages impressing to the 3-ph electric motor (i. Three phase voltages can be reconstructed from the DC-bus voltage and three switching functions of the upper power. . Abstract—In this article, an enhanced short-horizon integration actual voltage reconstruction method based on nonlinear error inverse-compensation (NEIC-SHIVR) is proposed for voltage source inverters. In a typical current reconstruction method, an error of the average motor current is likely to occur because there are only two reconstruction points in one carrier period.
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