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A Novel Hybrid Carrier Frequency Modulation for Sideband Vibro-Acoustics Suppression Based on Dynamic Space-Vector Regulation in Permanent Magnet Synchronous Motor
Technical Paper
2022-01-7010
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The sideband current harmonics generated by the voltage source inverter (VSI) and its related space vector pulse-width modulation (SVPWM) method are the main causes of the high-frequency vibro-acoustics responses in permanent magnet synchronous motor (PMSM). In this study, a novel hybrid carrier frequency modulation (HCFM) method based on the modified zero-vector action time of dynamic space is proposed to supress current harmonic, and reduce sideband vibro-acoustics. Firstly, since the zero-vector action time of different space angles can directly affect the current harmonic amplitude, the six traditional spaces are dynamically re-divided into twelve subspaces. Then, the carrier frequency is actively adjusted, according to based on the action-time variation tendency of the dynamic zero-vector in different subspaces for suppressing the current harmonic amplitude. The correlation of the current harmonic power spectral density of the HCFM method is deduced. The mechanism of HCFM method to suppress current harmonics and sideband vibro-acoustic response is revealed. Finally, with a 12-slot/10-pole prototype PMSM, compare the sideband vibro-acoustics response of the HCFM method and the previous multiple carrier modulation methods, where the HCFM method show the better suppression effect.
Authors
- Haiquan Cheng - Hebei University of Technology, China
- Dong Zhen - Hebei University of Technology, China
- Yong Chen - Hebei University of Technology, China
- Zizhen Qiu - Hebei University of Technology, China
- Liming Zhang - Hebei University of Technology, China
- Xiaozhe Lin - Zhejiang Geely Automobile Co., Ltd., China
Citation
Cheng, H., Zhen, D., Chen, Y., Qiu, Z. et al., "A Novel Hybrid Carrier Frequency Modulation for Sideband Vibro-Acoustics Suppression Based on Dynamic Space-Vector Regulation in Permanent Magnet Synchronous Motor," SAE Technical Paper 2022-01-7010, 2022, https://doi.org/10.4271/2022-01-7010.Also In
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