high-voltage direct current

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high-voltage direct current

[′hī ¦vōl·tij di¦rekt ′kə·rənt]
(electricity)
A long-distance direct-current power transmission system that uses direct-current voltages up to about 1 megavolt to keep transmission losses down. Abbreviated HVDC.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.