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02801nam a2200397Ia 4500 |
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10.3390-en15134700 |
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220718s2022 CNT 000 0 und d |
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|a 19961073 (ISSN)
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|a A Flux−Linkage Torque Ripple Suppression Method of Dual−Series FPMSMs Decoupling Control Based on Dual−Frequency Vector Modulation
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|b MDPI
|c 2022
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| 856 |
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|z View Fulltext in Publisher
|u https://doi.org/10.3390/en15134700
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|a A novel cross−series connection of two five−phase permanent magnet synchronous motors (FPMSM) supplied by single inverter can halve the number of required power units and current sensors. This, along with a decoupling control strategy for FPMSMs in series based on an improved dual−frequency vector modulation (DFV−SVPWM) and a flux−linkage torque ripple suppression method with current compensation are proposed in this paper, each of which have great significance for multi−unit industrial equipment. The third harmonic flux−linkage will produce torque ripple in the FPMSM in series, which has an adverse effect on accuracy. In this paper, a synchronous decoupling mathematical model of dual−series FPMSM with harmonic flux−linkage is established to analyze the decoupling relationship between torque and current. In addition, an enhanced DFV−SVPWM with higher modulation ratio is proposed for the decoupling control of double motors in series. Furthermore, based on the torque influence of two series−connected motors by harmonic flux−linkage and the decoupling control with improved DFV−SVPWM, a torque ripple compensation method with current compensation is proposed, which can effectively suppress the torque ripple of FPMSM with harmonic flux−linkage and not affect the other. The correctness and superiority of the scheme are verified by simulation and experiment in this paper. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
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|a Dual frequency
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|a dual frequency vector modulation
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|a Dual frequency vector modulation
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|a Dual−serial motor
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|a dual−serial motors
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|a Five-phase
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|a Five−phase permanent magnet synchronoi motor
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|a five−phase permanent magnet synchronous motor
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|a Frequency modulation
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|a Frequency vector
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|a Harmonic analysis
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|a harmonic torque suppression
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|a Harmonic torque suppression
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|a Harmonic torques
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|a Permanent Magnet Synchronous Motor
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|a Permanent magnets
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|a Synchronous motors
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|a Torque
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|a Vector modulation
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|a Lu, G.
|e author
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|a Su, J.
|e author
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|a Sun, G.
|e author
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|a Yang, G.
|e author
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| 773 |
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|t Energies
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