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This paper proposes a new solution to balanced inverter to achieve near zero common-mode voltage generation for a three-phase inverter. The neutral-point diode-clamping solves the issue of desynchronization of the balanced inverter. As the switching frequency of PWM inverter can be increased with the advances in power semiconductor technology, the common-mode voltage related issues in motor drives,...
Due to the introduction of wide bandgap (WBG) devices such as silicon carbide and gallium nitride devices, the power inverters with ultra-low loss, high temperature, and compact size are made possible for various applications. However, the increased dv/dt and switching frequency of WBG devices also aggravate the common-mode (CM) voltage related issues of the PWM inverter based systems. In the past...
Wide bandgap semiconductors, such as gallium nitride (GaN)-based power devices have become increasingly popular in the automotive industry due to their low on-state resistance and fast switching capabilities. These devices are sought to replace silicon (Si) devices in power electronics converters for vehicular applications. GaN devices dissipate less energy during each switching event, thus, GaN converter...
Due to low loss and fast switching capabilities of gallium nitride (GaN) based power devices; there has been a strong interest in the replacement of silicon (Si) devices in power electronics converters for various applications. However, one of the concerns is that the high switching speed (dv/dt and di/dt) of GaN devices will deteriorate the EMI emission of power converters. Hence, this paper studies...
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