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Applying wind simulations for planning and operation of Real-Time Thermal Ratings

Lookup NU author(s): Dr David Greenwood, Dr Grant Ingram, Professor Phil Taylor

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2015.

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Abstract

Real-Time Thermal Ratings (RTTR) is an emerging technology that allows the rating of electrical conductors to be estimated using real-time, local weather observations. In many cases this leads to a very significant (typically 50-100%) increase in rating with respect to conventional approaches. Conductor rating is heavily influenced by wind speed and direction. Consequently in this paper computational wind simulations, commonly employed by the wind energy industry, have been applied to inform rating estimation during network planning and operation. This provides an exciting opportunity to allow the identification of determining conductor spans, to inform network designers of the rating potential of different conductor routes, to estimate the additional wind energy that could be accommodated through the enhanced line rating and to allow intelligent placement of the monitoring equipment required to implement RTTR. The wind simulation data were also used to allow more accurate estimation of conductor ratings during operation. Two case studies taken from actual trial sites in the United Kingdom are presented to demonstrate that these techniques can provide a real world benefit.


Publication metadata

Author(s): Greenwood DM, Ingram GL, Taylor PC

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Smart Grid

Year: 2015

Issue: 99

Pages: 1-11

Online publication date: 29/10/2015

Acceptance date: 30/09/2015

Date deposited: 05/11/2015

ISSN (print): 1949-3053

ISSN (electronic): 1949-3061

Publisher: IEEE

URL: http://dx.doi.org/10.1109/TSG.2015.2488103

DOI: 10.1109/TSG.2015.2488103


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