Volume 23, Issue 1 (JIAEEE Vol.23 No.1 2026)
Journal of Iranian Association of Electrical and Electronics Engineers 2026, 23(1): 83-91 |
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Beiranvand A, Soltanali R, Safaee Sharif H. Determining the Acceptable Region for Thermal Capacity of Overhead Transmission lines by Data-Driven Method. Journal of Iranian Association of Electrical and Electronics Engineers 2026; 23 (1) :83-91
URL: http://jiaeee.com/article-1-1756-en.html
URL: http://jiaeee.com/article-1-1756-en.html
Bakhtar Regional Electricity Company
Abstract: (21 Views)
In recent years, due to the increase in demand for electricity consumption, the transfer of this energy from the generation points to the consumption centers must be done through transmission lines as the vital arteries of the electricity industry. Transmission lines have limited transmission capacities. One of the limitations of energy transfer by such equipment is their thermal capacity, which depends on various environmental factors and the number and type of conductors used in it. In order to prevent premature aging of conductors, it is necessary to accurately determine the acceptable range of conductor loading and then the transmission lines for different ambient temperatures. In this paper, in a data-driven method, the acceptable region related to the thermal capacity of the lines is determined by obtaining active boundaries for it, and it is shown that the activated boundary in this region, which is in the form of the equation of a straight line, can be a very good approximation for determine the thermal capacity according to different ambient temperatures. The results obtained from the simulations show that by using a proposed heuristic algorithm, the thermal capacity of each conductor can be obtained with a very good approximation using a straight line equation in terms of ambient temperature. Also, it is shown that the results of the proposed method have a negligible deviation from the exact values. Therefore, using this method, there is no need to perform very complex calculations in the exact method.
Keywords: Overhead transmission lines, thermal capacity, heuristic algorithm for determining the active boundary, determining the acceptable region related to thermal capacity
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