phase-sequence relay

phase-sequence relay

[′fāz ¦sē·kwəns ′rē‚lā]
(electricity)
Relay which functions according to the order in which the phase voltages successively reach their maximum positive values. Also known as phase-rotation relay.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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