This lecture, published by Columbia Gorge Community College, covers the mechanical properties of squirrel cage induction motors. This lecture will go over "construction and basic theory of operation, examine speed torque curves for NEMA design B and D motors, Calculate percentage slip, and learn to interpret pertinent entries on a motor datasheet."

There is an error in the video. Column headings reversed at 2:58 and again at 3:31 Should be poles per phase on left and pole pairs per phase on right. Pole pairs per phase is always half of poles per phase

This video runs 20:18 minutes in length. The second part of this video is available to view separately. 

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