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Multipolar Machines Space and Electrical Degrees

Multipolar Machines Space and Electrical Degrees.

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Multipolar Machines Space and Electrical Degrees

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  1. Multipolar MachinesSpace and Electrical Degrees Stator is marked off in “space, or mechanical degrees” Rotor at 0 reference, moves to 45 “space” degrees, no net flux through the coil Electrical degrees = (space degrees)(P/2) P = # of poles (4) Electrical degrees = 90 ECE 441

  2. How does the flux change as the rotor turns? • As the rotor turns through 180 mechanical degrees, the flux traces out 360 electrical degrees – in one revolution, 2 cycles of flux ECE 441

  3. Frequency of the flux wave ECE 441

  4. Four-PoleGenerator ECE 441

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