Novel current sensor for PWM AC drives
作者:
J.T.Boys,
期刊:
IEE Proceedings B (Electric Power Applications)
(IET Available online 1988)
卷期:
Volume 135,
issue 1
页码: 27-32
年代: 1988
DOI:10.1049/ip-b.1988.0005
出版商: IEE
数据来源: IET
摘要:
A novel current sensor which determines the currents flowing in an inverter driven induction motor from observations of the pulse currents existing in the DC busbar of the PWM inverter is described. The sensor can determine the real part of the current, and, if the motor is supplying mechanical power, the current magnitude. It is low cost and easy to implement, and experimental results show good accuracy over a range of operating conditions.
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