Permanent Magnet Machines: Asychronous Operation
- 1 July 1980
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-99 (4) , 1503-1509
- https://doi.org/10.1109/tpas.1980.319574
Abstract
The permanent magnet motor operating at subsynchronous speeds, as during run-up, is treated with particular emphasis placed on the role that magnet excitation plays. The torque, during run-up, is separated into components called the "cage torque", the "magnet torque" and pulsating components of double-slip-frequency and single-slip-frequency. Equations for calculation of these torques are derived and a comparision of the relative magnitude is given.Keywords
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