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
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机构:
Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
Ekanayake, Sithumini
[1
]
Dutta, Rukmi
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机构:
Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
Dutta, Rukmi
[1
]
Rahman, M. F.
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Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
Rahman, M. F.
[1
]
Minh Xuan Bui
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Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, AustraliaUniv New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
Minh Xuan Bui
[1
]
机构:
[1] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
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.