Novel motor topology and modulation strategy enhance efficiency and precision in high-power motor drives
Peer-Reviewed Publication
Updates every hour. Last Updated: 28-Oct-2025 06:11 ET (28-Oct-2025 10:11 GMT/UTC)
A research team from Sichuan University, in collaboration with Southeast University and the Hong Kong University of Science and Technology (Guangzhou), has proposed a novel dual three-phase four-level space vector pulse width modulation (DTP-FL SVPWM) strategy to improves the efficiency and precision of high-power motor drives. The proposed strategy is designed for the developed dual three-phase open-winding permanent magnet synchronous motors (DTP-OW-PMSM). This technology achieves high modulation precision and low switching frequency. On this basis, the current harmonics caused by the DC-link voltage deviations are reduced by compensating for the duty ratio.
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