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Field Weakening in Buried Permanent Magnet AC Motor Drives by Brigette Sneyers; Donald W. Novotny; Thomas A. Lipo is a Engineering article available to read on EtoBox.

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The usual uncoupled d -q model of salient pole synchro- nous machines (Park's model) may be insufficient for accurate modeling of buried magnet permanent magnet machines. The addition of a nonbilateral coupling between the direct and quadrature axis equivalent circuits is shown to improve the steady-state model greatly. The cross coupling reactance has important implications in improving operation in the constant horsepower mode. In particular, it is demonstrated that the cross coupling term acts to reduce the effective internal voltage so that some field weakening can be achieved. The results should be useful in permanent magnet machine design for variable speed drive applications.'u Brigette Sneyers was born in Brussels, Belgium, in

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Author

Brigette Sneyers; Donald W. Novotny; Thomas A. Lipo

Published

1985

Language

EN

Field

Engineering (Physical Sciences)