pole-changing control
pole-changing control
[′pōl ¦chānj·iŋ kən‚trōl] (electromagnetism)
A method of obtaining two or more running speeds of a three-phase motor by making changes in the number of magnetic poles, usually by making changes in the coil connections at the winding terminals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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