two-phase alternating-current circuit

two-phase alternating-current circuit

[′tü ¦fāz ′ȯl·tər‚nād·iŋ kə·rənt ‚sər·kət]
(electricity)
A circuit in which there are two alternating currents on separate wires, the two currents being 90° out of phase.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.