非对称两相感应电动机直接与间接转子磁链控制的动态响应分析与比较

Rafael de Farias Campos, J. de Oliveira, A. Nied
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引用次数: 0

摘要

本文讨论了非对称两相异步电动机的两种控制方法。研究了直接转子场定向控制(DRFOC)和间接转子场定向控制(IRFOC)方法。两种控制策略在同一硬件上实现,控制算法修改很小。然而,固有的模型不对称会导致定子绕组之间产生额外的耦合。为了使用场定向方法,必须使用基于互感的变换来消除不对称。通过实验研究,对两种控制方法的性能进行了对比分析。基于DRFOC和IRFOC控制系统的实验结果表明,即使在负载扰动下,速度控制和磁链控制也具有快速响应。此外,实现这两个系统的复杂性是相同的。虽然对这种转化的使用提出了一些问题,但正如结果所表明的那样,它仍然是一种可行的解决办法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis and Comparison of the Dynamic Response of Direct and Indirect Rotor Flux Control Applied to an Asymmetrical Two-Phase Induction Motor
This paper discusses two methods for asymmetrical two-phase induction motor control. The direct rotor field oriented control (DRFOC) and the indirect rotor field control (IRFOC) methods are investigated. Both control strategies were implemented in the same hardware with little modifications in the control algorithm. However, the intrinsic model asymmetry causes extra coupling between the stator windings. To use the field-orientated method, the asymmetry must be eliminated by using a transformation based on the mutual inductances. Experimental investigation was carried out and a comparative analysis of the performance of the two methods of control is presented. Based on experimental results of the DRFOC and IRFOC control systems, it is shown that the speed control and the flux control present a fast response even under load disturbance. In addition, the complexity for implementing both systems is identical. Although some questions were raised concerning the use of such transformation, it is still a viable solution as is demonstrated by the results.
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