感应电机弱磁场区定子磁链定向控制

Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting Pub Date : 1988-10-02 DOI:10.1109/IAS.1988.25097

X. Xu, R. D. De Doncker, D. Novotny

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引用次数: 90

摘要

研究了定向定子定向(SFO)系统在磁场减弱区的行为，并与直接转子定向(RFO)系统进行了比较。稳态分析表明，无论参数误差有多大，SFO系统始终保持最大转矩能力。相反，RFO对漏磁和磁化电感的变化很敏感。当失谐时，RFO产生的扭矩能力降低，扭矩/安培比更差，甚至产生静态不稳定性。数字仿真还表明，SFO具有与调谐后的RFO相当的动态响应。

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Stator flux orientation control of induction machines in the field weakening region

The behavior of a director stator-flux-oriented (SFO) system in the field weakening region is studied and compared with that of a direct rotor-flux-oriented (RFO) system. The steady-state analysis shows that the SFO system always retains maximum torque capability, not matter how large the error in the parameters. In contrast, RFO is sensitive to variations in leakage and magnetizing inductances. When detuned, RFO yields reduced torque capability and poorer torque/ampere ratio, or even static instability. Digital simulation also shows that SFO can have dynamic response comparable to tuned RFO.<>

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Conference Record of the 1988 IEEE Industry Applications Society Annual Meeting

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