Induction motors—Rotating field, slip and torque
Abstract
The fact that 4 of the 11 chapters of this book are devoted to the induction motor underlines its current dominance in electric drives, and we are therefore keen to start equipping the reader with a sound understanding of how it works. Attention is concentrated on how three stationary windings combine to produce a smoothly rotating magnetic field, and how the same windings produce torque on the rotor as it slips slowly past the travelling field. Several important relations governing the speed and torque are derived from a physical viewpoint and with minimum mathematics.
Keywords
Induction motor; Rotating magnetic field; Slip; Pole number; Synchronous speed; Space harmonic; Torque ...
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