sparkover

sparkover

[′spärk‚ō·vər]
(electricity)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The high potential can sparkover the insulation distance and severely damage the WT components inside the structure.
In general, the gap between the electrode and collector determines the maximum permissible electric field be fore occurrence of sparkover. The electric field varies with a gradient that is strongest near the source pole and weakest nearest the opposite pole.