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Electromagnetic mechanism of synchronous operation of the brushless doubly-fed machine
1995 / IEEE / 0-7803-3008-0
This item was taken from the IEEE Periodical ' Electromagnetic mechanism of synchronous operation of the brushless doubly-fed machine ' The brushless doubly-fed machine is a machine which incorporates the robustness of the squirrel cage induction machine and the speed and power factor control of a synchronous machine. The electromagnetic environment within the brushless doubly-fed machine is investigated using simple formulae in order to develop an intuitive feel for the mechanism which enables precise speed control of the machine. The concept of cross-coupling from one stator winding to the other via the rotor is described and verified by experiment.
Brushless Doubly-fed Machine
Squirrel Cage Induction Machine
Power Factor Control
Variable Speed Drives