Greenwood, David M. and Gentle, Jake P. and Myers, Kurt S. and Davison, Peter J. and West, Isaac J. and Bush, Jason W. and Ingram, Grant L. and Troffaes, Matthias C. M. (2014) 'A comparison of real time thermal rating systems in the U.S. and the UK.', IEEE transactions on power delivery., 29 (4). pp. 1849-1858.
Real-Time Thermal Rating is a smart grid technology that allows the rating of electrical conductors to be increased based on local weather conditions. Overhead lines are conventionally given a conservative, constant seasonal rating based on seasonal and regional worst case scenarios rather than actual, say, local hourly weather predictions. This paper provides a report of two pioneering schemes—one in the United States of America and one in the United Kingdom—in which Real-Time Thermal Ratings have been applied. Thereby, we demonstrate that observing the local weather conditions in real time leads to additional capacity and safer operation. Secondly, we critically compare both approaches and discuss their limitations. In doing so, we arrive at novel insights which will inform and improve future Real-Time Thermal Rating projects.
|Keywords:||Power transmission, Fluid Dynamics, Power system planning.|
|Full text:||(AM) Accepted Manuscript|
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|Publisher Web site:||http://dx.doi.org/10.1109/TPWRD.2014.2299068|
|Publisher statement:||© 2014 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Date accepted:||No date available|
|Date deposited:||10 January 2014|
|Date of first online publication:||August 2014|
|Date first made open access:||No date available|
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