Essentials of Mechatronics ISBN: 0-471-72341-X- ©John Billingsley 2006 - published John Wiley & Sons, Inc

2.1.4 Rotating fields

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Two orthogonal sinusoidal fields can combine to result in a rotating field.

In a 'single phase' induction motor, a single sinusoidal field can act as a combination of two contra-rotating fields.