首页> 外文期刊>Hydrotechnical Construction >DEVELOPMENT OF IMPROVED METHODS FOR CALCULATING STEADY STATES OF POWER SYSTEMS TAKING INTO ACCOUNT THE TEMPERATURE DEPENDENCE OF THE RESISTANCES OF THE OVERHEAD TRANSMISSION LINES
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DEVELOPMENT OF IMPROVED METHODS FOR CALCULATING STEADY STATES OF POWER SYSTEMS TAKING INTO ACCOUNT THE TEMPERATURE DEPENDENCE OF THE RESISTANCES OF THE OVERHEAD TRANSMISSION LINES

机译:考虑到架空输电线路电阻的温度依赖性计算电力系统稳态状态的改进方法

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摘要

The problem of calculating the steady state of an electric power system taking into account the temperature dependence of the resistances in the overhead transmission lines is considered. Two alternative algorithms are proposed. One solves an augmented system of equations by Newton's method, while the other calculates the resistances separately within the iteration process of solving the equations of the electric state of the power system. The results of a numerical experiment are presented. They validate the algorithms and show a significant increase in the accuracy of determining state variables such as current, voltage, and power loss. The convergence of the algorithms is analyzed compared to each other and to Newton's method used disregarding the temperature dependence of the resistances.
机译:考虑了考虑了架空传输线中电阻的温度依赖性计算电力系统稳态的问题。 提出了两个替代算法。 通过牛顿的方法解决了一个增强的方程系统,而另一个求解在求解电力系统的电动状态的等式的迭代过程中分别计算电阻。 提出了数值实验的结果。 它们验证算法,并显示了确定状态变量的准确性的显着增加,例如电流,电压和功率损耗。 分析了算法的收敛,彼此相比并向牛顿的方法,用于忽视电阻的温度依赖性。

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