Chen, Z., Zhou, Y., Guo, F., & Lee, C. H. T. (2025). Improved Modulation for Three-Phase Series-End Winding Voltage-Source Inverters. IEEE Transactions on Industrial Electronics, 72(5), 4546–4555. https://doi.org/10.1109/tie.2024.3468732
Abstract:
To extend the speed range and reduce power electronics devices of the open-end winding permanent magnet synchronous machine (OEW-PMSM) drive system, series-end winding topology is adopted in this paper. A simplified modulation strategy is proposed. Compared with space vector pulse width modulation (SVPWM), the proposed modulation calculates the four bridges’ duty cycles in the ABC reference frame. It avoids complex sector identification and voltage vector distribution calculation,
and controller design can be simplified. The asymmetry of the series-end winding topology results in asymmetric three-phase dead-time voltage errors. The characteristics of dead-time is analyzed, and a novel dead-time compensation strategy is proposed to eliminate current harmonics. The adaline neural network (ANN) algorithm is applied for harmonic extraction and serves as phase shifting generator, and closed-loop control of one-dimensional zerosequence harmonics can be conducted in rotating reference frames. Simulations and experimental results verify the effectiveness of the proposed modulation and deadtime compensation method.
License type:
Publisher Copyright
Funding Info:
This research / project is supported by the Agency for Science, Technology and Research - RIE 2025 Manufacturing, Trade, and Connectivity Industry Alignment Fund - Pre-Positioning
Grant Reference no. : M22K4a0044