2016
DOI: 10.1049/iet-epa.2016.0219
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Abstract: The commutation torque ripple in the six-step square-wave driving mode of the brushless DC motor affects the motor performance and generates mechanical vibrations and noise when used for industrial applications. The cause of commutation torque ripple is analysed in this study and a non-linear transient model of the phase current during the commutation interval is developed. According to the transient-current model, the commutation voltage and the time required to produce a constant torque can be calculated wit… Show more

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Cited by 19 publications
(17 citation statements)
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References 23 publications
(24 reference statements)
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“…Токи в статоре могут формироваться как непрерывными [2][3][4][5][6][7][8][9][10][11], так и импульсными способами [10][11][12][13][14][15][16].…”
Section: исследование вариантов управления синхронным бесколлекторнымunclassified
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“…Токи в статоре могут формироваться как непрерывными [2][3][4][5][6][7][8][9][10][11], так и импульсными способами [10][11][12][13][14][15][16].…”
Section: исследование вариантов управления синхронным бесколлекторнымunclassified
“…Наибольшее распространение получили импульсные способы формирования фазных токов, основывающиеся на использовании широтно-импульсной модуляции [12][13][14][15][16]. Система управления, работающая с преобразователем, рассчитывает длительность импульсов ШИМ и реализует алгоритм включения обмоток статора.…”
Section: исследование вариантов управления синхронным бесколлекторнымunclassified
“…However, the brushless dc motor has a extrusive disadvantage of torque ripple, which can increase the vibration and noise, prevent BLDCM from acquiring high performance and restrict its application in high precision situations [4,5]. So, the torque ripple of BLDCM has become an important research point [6,7,8,9,10,11]. An original theoretical derivation is presented in [6] about the fundamental cause of commutation torque ripple, from which a conclusion has been drawn that the cause of the torque ripple is the different current slew rates between incoming and outgoing phase.…”
Section: Introductionmentioning
confidence: 99%
“…The method of reducing torque ripple of brushless dc motor by varying input voltage is presented in [7], it indicates that the torque ripple depends on the current ripple if the back electromotive force is invariant, the torque ripple can be reduced by reducing the current ripple, the current ripple can be reduced by varying input voltage. It is an efficacious and practical method to add some special topology of a circuit in brushless dc motor drives to alter its input voltage, as presented in [8,9,10,11]. In [8], a buck converter is placed in the front of the inverter to produce desired dc link voltage, accordingly torque ripple is evidently reduced, but its voltage adjustment is performed only by the buck converter, the inverter only performs the commutation function, its regulating voltage speed isn't fast enough, because the adjusting voltage time of the buck circuit is usually longer than the commutation interval.…”
Section: Introductionmentioning
confidence: 99%
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