Performance of synchronous machines operating with unbalanced armature windings

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1988Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Energy Conversion, volume 3, pages 391-397 (issn: 0885-8969,

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Authors: R.G. Rhudy; H.D. Snively; J.C. White;

doi: 10.1109/60.4746

Performance of synchronous machines operating with unbalanced armature windings

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Abstract

The performance of synchronous machines operating with armature windings unbalanced by having coils cut out following winding failure is considered. The resulting unbalanced voltages and currents tend to produce overheating and may produce magnetic pull-over or excessive vibration. A method of calculating winding currents and voltages in unbalanced windings is presented. The conditions for winding modification schemes to control magnetic pull-over and severe vibration are discussed. This analysis is also applicable to polyphase induction motors. >

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Electric Power Research Institute
United States

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