Real-Time Ampacity and Ground Clearance Software

Real-Time Ampacity and Ground Clearance Software
Posted: 12 Jul 2012
Authors:
Kevin M. Klein
Paul L. Springer and W.Z. Black
Primary Committee:
IEEE Smart Grid Newsletters
Pages: 3

The temperatures of transmission lines have traditionally been estimated by means of ampacity tables that are calculated from expected average weather conditions and values that have been considered valid for a whole season. But in reality, a conductor's position and temperature vary greatly with weather conditions over much shorter time intervals. One solution is to base real-time estimates on instrument readings, but an even better method uses software to calculate the mechanical and thermal status of the conductor.

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