Analysis of frequency- and amplitude-modulation in the stabilisation of permanent-magnet synchronous/stepping motors
作者:
I.E.D.Pickup,
A.P.Russell,
期刊:
IEE Proceedings B (Electric Power Applications)
(IET Available online 1992)
卷期:
Volume 139,
issue 4
页码: 336-346
年代: 1992
DOI:10.1049/ip-b.1992.0040
出版商: IEE
数据来源: IET
摘要:
An analytical study of the hybrid permanent-magnet synchronous/stepping motor is presented in which possibilities for stabilising the machine are examined. It is shown that stability can be achieved by either frequency modulation or amplitude modulation of the supply at the ‘hunting’ frequency of the motor/load combination. The characteristics of the electromagnetic damping-torque coefficient are investigated to determine the constraints involved in the development of satisfactory stabilisation schemes.
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