IM Direct Torque Control with no flux distortion and no static torque error

被引：20

作者：

Lokriti, Abdesslam ^{[1
]}

Salhi, Issam ^{[2
]}

Doubabi, Said ^{[2
]}

机构：

[1] Univ Hassan 1, Lab Informat Syst Elect Networks & Telecommun, LISERT ENSA, Khouribga 25000, Morocco

[2] Cadi Ayyad Univ, Lab Elect Syst & Telecommun, Gueliz, Marrakesh, Morocco

来源：

ISA TRANSACTIONS | 2015年 / 59卷

关键词：

Induction motor; Direct Torque Control; Flux distortion; Reduced switching table; INDUCTION-MOTOR; RIPPLE REDUCTION; DRIVES; FREQUENCY; MACHINES; PMSM; DTC;

D O I：

10.1016/j.isatra.2015.08.014

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The purpose of this paper is to improve DTC control strategy performances. In fact, we propose controlling both stator flux components (real and imaginary) through two hysteresis controllers. Thus, a new switching table which is independent from sector determination, and does not introduce zero voltage vectors is established; with much reduced size when compared to Takahashi's one. The proposed strategy has allowed cutting off with flux and current harmonics related to distortion caused by sector exchanges. Also, we provide theoretical evidence about the existence of static torque error in classical DTC, and propose a simple PI-type controller to cancel it. The proposed strategy is validated by simulation and practically on a DSPace 1104 board, for a 1.5 (kW) induction motor and various torque references. (C) 2015 ISA. Published by Elsevier Ltd. All rights reserved.

引用

页码：256 / 267

页数：12

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