Control and dynamics of constant power loss based operation of permanent magnet synchronous motor drive system

IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029) Pub Date : 1999-11-29 DOI:10.1109/IECON.1999.819438

R. Monajemy, R. Krishnan

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引用次数: 12

Abstract

The operational envelope of electrical machines is limited by the maximum permissible power losses of the machine. The control and dynamics of the permanent magnet synchronous motor (PMSM) drive operating with constant power losses is proposed in this study. The proposed operational strategy is modeled and analyzed. Its comparison to other control strategies that limit current and power, demonstrates the superiority of the proposed scheme. The implementation of the proposed scheme is developed. It is achieved with an outer power loss feedback control loop. This has the advantage of retrofitting the present PMSM drives with the least amount of software/hardware effort. The PMSM drives in this case then can use the existing controllers to implement the control criteria such as constant torque angle, unity power factor, constant air gap flux linkages, maximum torque per unit current or maximum efficiency operation. Experimental verification of the control strategy is provided.

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基于恒功率损耗的永磁同步电机驱动系统运行控制与动力学

电机的运行范围受电机的最大允许功率损耗的限制。本文研究了恒功率损耗下永磁同步电动机的控制与动力学问题。对提出的运营策略进行了建模和分析。通过与其他限制电流和功率的控制策略的比较，证明了该方案的优越性。提出了该方案的实施方案。它是通过外部功率损失反馈控制回路实现的。这样做的优点是可以用最少的软件/硬件工作量改造现有的PMSM驱动器。在这种情况下，PMSM驱动器可以使用现有的控制器来实现控制标准，如恒定转矩角，单位功率因数，恒定气隙磁通连接，单位电流的最大转矩或最高效率操作。对控制策略进行了实验验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)

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