An Adequate Mathematical Model of an Ultrahigh-Voltage Overhead Transmission Line Using Synchronized Phasor Measurements

被引：0

作者：

A. B. Balametov

E. D. Halilov

T. M. Isayeva

机构：

[1] Azerbaijan Scientific-Research and Design-Prospecting Institute of Power Engineering,

[2] Azerbaijan State University of Oil and Industry,undefined

来源：

Iranian Journal of Science and Technology, Transactions of Electrical Engineering | 2020年 / 44卷

关键词：

Mathematical model; Ultrahigh-voltage overhead line; Power losses; Corona losses; PMU measurements; Electrical parameters of overhead line; State estimation; Line section;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Methodical errors of simplified models of steady state of ultrahigh-voltage overhead lines have been investigated. It has been established that the error of these models does not correspond to the accuracy of PMU measurements. A method and algorithm for improving the accuracy of modeling by the mode parameters collected from PMU devices have been proposed. Chain model of an overhead line proposed in this paper takes actual weather conditions into account. Application of the proposed approach makes it possible to increase the accuracy of calculating steady state and state estimation and identifying the electrical parameters of the overhead line. This improves the effectiveness of transmission line control in real time. Proposed method was applied for existing 500-kV ultrahigh-voltage overhead line.

引用

页码：175 / 183

页数：8

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