A Reference Flux Calculation Method with Stator Flux Linkage Synchronous Frame for MTPA Control in Direct Torque Controlled PMSM Drives

被引：0

作者：

Shinohara, Atsushi ^{[1
]}

Inoue, Yukinori ^{[1
]}

Morimoto, Shigeo ^{[1
]}

Sanada, Masayuki ^{[1
]}

机构：

[1] Osaka Prefecture Univ, Dept Elect & Informat Syst, Sakai, Osaka, Japan

来源：

2015 18TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2015年

关键词：

CONTROL STRATEGY; OPERATION; MOTORS; SPEED;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

When direct torque control (DTC) is applied to permanent magnet synchronous motor (PMSM) drives, the relationship between the torque and stator flux linkage is important for high-efficiency drives because DTC requires them as references. In the stator flux linkage synchronous frame (M-T frame), the torque equation is described as a simple equation using the T-axis current. However, the M-axis current is neglected in the equation. This paper derives the relationship between the M-axis current and the stator flux linkage and proposes a maximum torque per ampere control strategy for direct torque controlled PMSM drives using the derived relationship. In addition, the q-axis inductance can be compensated using that relationship because the error in the q-axis inductance causes the estimation error in M-axis current. The simulation results validate the proposed method.

引用

页码：58 / 63

页数：6

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