Performances of a Fractional-Slot Concentrated-Winding Permanent Magnet Synchronous Machine Under Position Sensorless Control in Deep Flux-Weakening Region

被引：13

作者：

Ekanayake, Sithumini ^{[1
]}

Dutta, Rukmi ^{[1
]}

Rahman, M. F. ^{[1
]}

Minh Xuan Bui ^{[1
]}

机构：

[1] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2019年 / 55卷 / 06期

关键词：

Deep flux weakening; direct torque and flux control (DTFC); interior permanent magnet synchronous machines (IPMSMs); maximum torque per voltage (MTPV) trajectory; sliding mode observer (SMO); SURFACE PM MACHINES; SLIDING-MODE OBSERVER; EXPERIMENTAL-VERIFICATION; DIRECT TORQUE; MOTOR DRIVE; INTERIOR; SPEED; DESIGN; CAPABILITY; OPERATION;

D O I：

10.1109/TIA.2019.2931269

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In recent time, the use of fractional-slot concentrated-winding (FSCW) stator has made it possible to drive the interior permanent magnet synchronous motors in very deep flux-weakening speed range. Many of such motors can operate along the maximum torque per voltage (MTPV) trajectory during the deep flux-weakening operation. Performances of the FSCW interior permanent magnet synchronous machine (IPMSM) while operating along the MTPV trajectory in the deep flux-weakening region under sensorless direct torque and flux control are yet to be investigated thoroughly. A 14-pole/18-slot FSCW IPMSM, which has a flux-weakening speed range of 9:1, was investigated in this paper. The position and speed were estimated using a sliding mode observer. Experimental results showed that satisfactory dynamic operation was possible during deep flux weakening only when a voltage compensation technique was integrated. This paper attempts to investigate the underlying reasons behind the requirement of the additional voltage compensation during deep flux weakening in the FSCW IPMSM.

引用

页码：5938 / 5946

页数：9

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