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Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818

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BuyFindarrow_forward

Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818
Chapter 32, Problem 1SQ
Textbook Problem
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The rotating magnetic field of a two-pole motor travels 360 electrical degrees. How many mechanical degrees does the rotor travel?

To determine

Mention the mechanical degrees at which the two-pole motor travels for 360 electrical degree.

Answer to Problem 1SQ

The motor travels at 360 mechanical degrees.

Explanation of Solution

Given data:

The electrical degree is θe=360°.

The number of poles in the system P is 2.

Formula used:

Write the general relationship between mechanical and electrical degree.

θm=θe(2P) (1)

Here,

P is the number of poles,

θm is the mechanical degree, and

θe is the electrical degree.

Substitute 2 for P and 360° for θe in Equation (1) to find the mechanical degree θm.

θm=360°(22)θm=360°

Conclusion:

Thus, the motor travels at 360 mechanical degrees.

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