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PeriodicalsElectrical Engineering

Induction-motor speed-changing by pole-amplitude modulation

G.H. Rawcliffe·R.F. Burbidge·W. Fong
Proceedings of the IEE Part A Power Engineering1958

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Abstract & Overview

An original method of changing the speed of squirrel-cage induction motors has recently been developed which enables efficient and economic operation to be obtained at either of two chosen speeds, using a single winding of standard type.The method has considerable generality, but is particularly applicable to speed ratios not very different from unity. The initial tests have therefore been performed on a motor for two speeds in the ratio 5:4, but a variety of ratios can be obtained by using the same principle. The control gear needed is extremely simple.

Cite this record

G.H. Rawcliffe, R.F. Burbidge, W. Fong (1958). Induction-motor speed-changing by pole-amplitude modulation. Proceedings of the IEE Part A Power Engineering, 105(22), 411–411. https://doi.org/10.1049/pi-a.1958.0076

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Rawcliffe, G., Burbidge, R., & Fong, W. (1958). Induction-motor speed-changing by pole-amplitude modulation. Proceedings of the IEE Part A Power Engineering, 105(22), 411–411. https://doi.org/10.1049/pi-a.1958.0076
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