Novel motor topology and modulation strategy enhances efficiency and precision in high-power motor drives

https://www.eurekalert.org/news-releases/1102574

"4-level modulation strategy for dual 3-phase open-winding permanent magnet synchronous motor drive, using 2:1:1 DC-link voltage ratio across 3 DC sources to achieve 4-level effect... average current Total Harmonic Distortion reduced >29%, use of Unified Duty Ratio Compensation enabled 50% further reduction during voltage deviations... switching frequencies significantly reduced... EV propulsion, aerospace actuators, industrial automation"

Related: Energy-efficient predictive control strategy boosts performance of electric vehicle drives
https://www.eurekalert.org/news-releases/1102558