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The objective of this paper is to analyze a novel high-speed integrated motor-compressor drive system and investigate the opportunities by using gallium nitride (GaN)-based inverters. The proposed integrated motor-compressor is a combination of electric machine and axial-flow compressor by shaping the rotor pole of the electric machine into airfoils. Hence, the proposed integrated motor-compressor...
An integration of an electric motor and a drive with wide bandgap (WBG) devices possesses numerous attractive features for electrified and decentralized actuation systems. The WBG devices are capable of operating at high junction temperature (>170 °C) with improved efficiency due to fast switching speed and low on-state resistance. It also leads to better performance and higher power density electro-hydrostatic...
Wide bandgap devices are widely believed to be the enabler of the next generation power electronic systems due to their superior characteristics such as low loss, high speed, and high temperature operating capabilities. In the automotive industry, wide bandgap devices will also be a game changer in many aspects of the hybrid/electric vehicles, most notably in the electric propulsion and battery charging...
In this paper, a silicon-carbide based capacitor-switched phase-shifted full bridge DC-DC converter circuit for electrical vehicles is investigated. The state-of-the-art silicon-carbide components were used as switching power devices. The reduction of conduction and switching losses has been achieved by using silicon-carbide devices. As a consequence, the performance of the converter is increased...
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