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机构地区:[1]School of Automation,Northwestern Polytechnical University
出 处:《Defence Technology(防务技术)》2012年第3期154-160,共7页Defence Technology
基 金:Sponsored by the NSFC General Project (51177135);the Key Project of Natural Science Foundation of Shaanxi Province (2011GZ013)
摘 要:A flux linkage compensation field oriented control (FOC) method was proposed to suppress the speed and torque ripples of a brushless wound-field synchronous motor in its starting process. The starting process was analyzed and the model of wound-field synchronous electric machine was established. The change of field current of the electric machine was described mathematically for simplified exciter and rotate rectifier. Based on the traditional field control, the flux linkage compensation was introduced in d-axis current to counteract the flux ripple. Some simulation and preliminary experiments were implemented. The results show that the proposed method is feasible and effective.A flux linkage compensation field oriented control (FOC) method was proposed to suppress the speed and torque ripples of a hrusbless wound-fleld synchronous motor in its starting process. The starting process was analyzed and the model of wound-field synchronous electric machine was established. The change of field current of the electric machine was described mathematically for simplified exciter and rotate rectifier. Based on the traditional field control, the flux linkage compensation was introduced in d-axis current to counteract the flux ripple. Some simulation and preliminary experiments were implemented. The results show that the proposed method is feasible and effective.
关 键 词:electrical engineering brushless ISG wound-field synchronous motor torque ripple suppression flux linkage compensation starting control
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