New approach to field orientation control of a CSI induction motor drive
作者:
Jie Zhang,
V.Thiagarajan,
T.Grant,
T.H.Barton,
期刊:
IEE Proceedings B (Electric Power Applications)
(IET Available online 1988)
卷期:
Volume 135,
issue 1
页码: 1-7
年代: 1988
DOI:10.1049/ip-b.1988.0001
出版商: IEE
数据来源: IET
摘要:
An improved approach to the field orientation control of a CSI-IM drive is developed. The primary current variables in the synchronous reference frame are acquired directly from the DC-link current and the phase angle of the stator current. Flux position estimation is performed by feedback of the primary currents. This substantially reduces the matrix co-ordinate transformations, and simplifies the control strategy. An innovation in the positioning control of the stator current vector is provided by a binary gating pattern in combination with a real-time interrupt technique. A new control scheme, incorporating a nonlinear current controller, has been developed. The analysis and control scheme are verified by experimental results.
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