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Unlocking the Benefits of Real-Time Thermal Ratings through Probabilistic Power Network Planning

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

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

Real-Time Thermal Ratings is an emerging technique used to calculate the rating of electrical conductors based on local, real-time weather conditions; this leads to an increased rating with respect to conventional approaches the majority of the time, and can be used to increase the energy yield of distributed generators, support the network during outages and defer network reinforcement. Unfortunately it is not presently recognised in network planning, design and security of supply standards. This represents a barrier to utilizing Real-Time Thermal Ratings in power networks, and must be addressed. This paper presents a new, probabilistic method for accounting for the variable ratings during network planning. This is coupled with an analysis of the risk of being unable to supply customers in a network adopting variable ratings, compared with the risk in the same network using conventional ratings; hence the method proposed in this paper allows additional load to be connected to the network at a quantified level of risk. Finally, this method could be applied to other emerging network technologies and techniques such as demand side management or energy storage.


Publication metadata

Author(s): Greenwood DM, Taylor PC

Publication type: Article

Publication status: Published

Journal: IET Generation, Transmission and Distribution

Year: 2014

Volume: 8

Issue: 12

Pages: 2055-2064

Print publication date: 16/07/2014

Online publication date: 16/07/2014

Acceptance date: 27/05/2014

Date deposited: 25/07/2014

ISSN (print): 1751-8687

ISSN (electronic): 1751-8695

Publisher: Institution of Engineering and Technology

URL: http://dx.doi.org/10.1049/iet-gtd.2014.0043

DOI: 10.1049/iet-gtd.2014.0043


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