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Increasing power transfer capability of existing transmission lines

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2 Author(s)
Daconti, J.R. ; Power Technol. Inc., Schenectady, NY, USA ; Lawry, D.C.

This paper initially describes the main constraints that limit the transmission system power transfer capability, as well as the existing methods to alleviate these constraints, such as transmission line uprating/upgrading techniques. It also discusses the main feasibility issues that need to be addressed aiming to evaluate when an uprating/upgrading solution should be recommended. After that, aspects of effectiveness, required technical analysis and usual methods for transmission line voltage and thermal uprating are presented. Finally, the dynamic thermal rate monitoring is emphasized as a good thermal uprating solution and its commercially available technologies are presented.

Published in:

Transmission and Distribution Conference and Exposition, 2003 IEEE PES  (Volume:3 )

Date of Conference:

7-12 Sept. 2003