Mathematical Modeling of Cost for 220kV Overhead Power Line
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Keywords
Conductor cross section, , economic current density, electrical network, base cost, mathematical model of costs
Abstract
The optimal design for the transmission and distribution of electric power largely depends on several factors, which include the voltage level of the transmission line, the structure and design of the network, as well as the power rating and parameters of its elements. One of the primary challenges of a prospective electric system development study is to analyze different options for a power network based on the aforementioned factors and select the best solution among them.
This research aims to determine the economic intervals of current for 220kV overhead power lines, which are extensively utilized in the power transmission network of Mongolia, and present the results of developing a mathematical models of costs based on the cross section of the conductors and the number of circuits on overhead power lines.
The current limit values (I240-300 = 68.6A, I300-400=78.2A, I240-400=73.56A) corresponding to the point of intersection of two adjacent cross-sections of power transmission lines are determined.
The utilization of mathematical models for established costs can be employed to select conductor cross-sections at both the planning stage of the power grid and the design stage of the 220 kV overhead transmission line.
This research aims to determine the economic intervals of current for 220kV overhead power lines, which are extensively utilized in the power transmission network of Mongolia, and present the results of developing a mathematical models of costs based on the cross section of the conductors and the number of circuits on overhead power lines.
The current limit values (I240-300 = 68.6A, I300-400=78.2A, I240-400=73.56A) corresponding to the point of intersection of two adjacent cross-sections of power transmission lines are determined.
The utilization of mathematical models for established costs can be employed to select conductor cross-sections at both the planning stage of the power grid and the design stage of the 220 kV overhead transmission line.
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References
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[2] E. N. Zuev, “Determining the boundaries of economic current intervals based on the minimum of discounted costs,” Vestnik MPEI, no. 4, pp. 75–77, 2000.
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[4] V. P. Freishteter and A. S. Martyanov, “Choice of an economically justified cross-section of wires and cable cores of power transmission lines during design,” Neftyanoye Khozyaistvo, no. 4, pp. 117–121, 2011.
[5] A. O. Varygina and N. V. Savina, “Development of methods for selecting conductor cross-sections and their adaptation to modern conditions,” Bulletin of AmGU, no. 81, pp. 50–54, 2018.
[6] A. I. Fedotov and A. A. Gerkusov, “Modernization of the method of economic intervals in the selection of cross-sections of wires of overhead power lines,” in Energy problems, 2003, pp. 136–140.
[7] A. A. Gerkusov, “Analysis of methods for selection of sections of wires of overhead power lines. Scientific and technical sheets,” SPbGPU N, vol. 3, pp. 131–138, 2014.
[8] R. Batbaatar and D. Sodnomdorj, “Choosing the 110 kV power line conductor size by the method of current economic intervals in Mongolia.” Proceedings of IFOST-2016.
[9] D. Sodnomdorj, “Methodology and research on choosing the optimal values of the parameters of SSC in the modern conditions of Mongolia.” Compilation of scientific conference reports on Technical progress of power distribution networks, Darkhan 2015.
[10] Methodology For Determining The Economic Efficiency Of Capital Investments, Economic Newspaper. No 2. 1983.
[11] Methodological Recommendations For Assessing The Effectiveness Of Investment Projects General Provisions, Feasibility, E. I. F. 2000.
[12] I. G. Karapetyan, D. L. Faibisovich and I. M. Shapiro, Handbook For Designing Electrical Networks, Moscow: NC ENAS, 2022.
[13] https://erc.gov.mn/web/mn/tariff-center (Хандалт хийсэн 2021.02.26)
[14] B. P. Sikorsky, “Engineer's mathematical apparatus,” Kyiv, 1977.
[2] E. N. Zuev, “Determining the boundaries of economic current intervals based on the minimum of discounted costs,” Vestnik MPEI, no. 4, pp. 75–77, 2000.
[3] S. N. Efentiev and E. N. Zuev, “Economic current intervals of wire cross-sections of overhead lines-yesterday, today, tomorrow,” ELECTRO. Electrical engineering, power engineering, electrical industry, pp. 43–48, 2005.
[4] V. P. Freishteter and A. S. Martyanov, “Choice of an economically justified cross-section of wires and cable cores of power transmission lines during design,” Neftyanoye Khozyaistvo, no. 4, pp. 117–121, 2011.
[5] A. O. Varygina and N. V. Savina, “Development of methods for selecting conductor cross-sections and their adaptation to modern conditions,” Bulletin of AmGU, no. 81, pp. 50–54, 2018.
[6] A. I. Fedotov and A. A. Gerkusov, “Modernization of the method of economic intervals in the selection of cross-sections of wires of overhead power lines,” in Energy problems, 2003, pp. 136–140.
[7] A. A. Gerkusov, “Analysis of methods for selection of sections of wires of overhead power lines. Scientific and technical sheets,” SPbGPU N, vol. 3, pp. 131–138, 2014.
[8] R. Batbaatar and D. Sodnomdorj, “Choosing the 110 kV power line conductor size by the method of current economic intervals in Mongolia.” Proceedings of IFOST-2016.
[9] D. Sodnomdorj, “Methodology and research on choosing the optimal values of the parameters of SSC in the modern conditions of Mongolia.” Compilation of scientific conference reports on Technical progress of power distribution networks, Darkhan 2015.
[10] Methodology For Determining The Economic Efficiency Of Capital Investments, Economic Newspaper. No 2. 1983.
[11] Methodological Recommendations For Assessing The Effectiveness Of Investment Projects General Provisions, Feasibility, E. I. F. 2000.
[12] I. G. Karapetyan, D. L. Faibisovich and I. M. Shapiro, Handbook For Designing Electrical Networks, Moscow: NC ENAS, 2022.
[13] https://erc.gov.mn/web/mn/tariff-center (Хандалт хийсэн 2021.02.26)
[14] B. P. Sikorsky, “Engineer's mathematical apparatus,” Kyiv, 1977.
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Published
Dec 29, 2024
Article Details
How to Cite
[1]
T. Onkh and S. Dari, “Mathematical Modeling of Cost for 220kV Overhead Power Line”, Journal of Energy Transition, vol. 2, no. 1, pp. 9–14, Dec. 2024.
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