three-phase magnetic amplifier

three-phase magnetic amplifier

[′thrē ¦fāz mag′ned·ik ′am·plə‚fī·ər]
(electronics)
A magnetic amplifier whose input is the sum of three alternating-current voltages that differ in phase by 120°.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.