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首页> 外文期刊>Australian journal of electrical and electronics engineering >Sensorless direct torque and flux controlled interior permanent magnet synchronous motor drive incorporating field weakening
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Sensorless direct torque and flux controlled interior permanent magnet synchronous motor drive incorporating field weakening

机译：无传感器直接转矩和磁通量控制的内部永磁同步电动机驱动器，具有弱磁功能

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摘要

This paper presents a sensorless space vector modulation (SVM) direct torque and flux control (DTFC) scheme for interior permanent magnet (IPM) synchronous motors. Closed-loop control of both the torque and stator flux linkage is achieved via two proportional-integral (PI) controllers. The reference voltage vectors are generated by a SVM unit, which replaces the switching table in the conventional direct torque control (DTC) scheme. For sensorless operation, a speed observer based on the stator flux linkage is investigated in this paper. The speed estimator is simple, software-based and irrespective to machine parameters. Hence, the basic advantages of a DTC controller are retained. The operating range of the DTFC drive is extended into the high speed region by incorporating flux weakening. Experimental results confirm the effectiveness of the sensorless DTFC scheme.
机译：本文提出了一种用于室内永磁体（IPM）同步电动机的无传感器空间矢量调制（SVM）直接转矩和磁通控制（DTFC）方案。扭矩和定子磁链的闭环控制是通过两个比例积分（PI）控制器实现的。参考电压矢量由SVM单元生成，它取代了常规直接转矩控制（DTC）方案中的切换表。对于无传感器运行，本文研究了基于定子磁链的速度观测器。速度估算器简单，基于软件且与机器参数无关。因此，保留了DTC控制器的基本优点。通过引入磁通弱化，DTFC驱动器的工作范围扩展到了高速区域。实验结果证实了无传感器DTFC方案的有效性。

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    G Foo; MF Rahman;

  • 作者单位

    School of Electrical Engineering & Telecommunications, The University of New South Wales, Sydney;

    School of Electrical Engineering & Telecommunications, The University of New South Wales, Sydney;

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  • 入库时间 2022-08-18 01:04:40

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