DOI 10.17586/0021-3454-2021-64-7-583-588
UDC 621.315.1
CHARACTERISTICS AND PARAMETERS OF THE TECHNICAL CONDITION OF OVERHEAD POWER LINES
St. Petersburg State University of Aerospace Instrumentation, Department of Electro-Mechanics and Robotics; Associate Professor
A. V. Rysin
St. Petersburg State University of Aerospace Instrumentation, Department of Electromechanics and Robotics ;
S. V. Soleniy
St. Petersburg State University of Aerospace Instrumentation, Department of Electro-Mechanics and Robotics; Associate Professor, Head of the Department
V. P. Kuzmenko
St. Petersburg State University of Aerospace Instrumentation, Department of Electromechanics and Robotics;
E. S. Kvas
St. Petersburg State University of Aerospace Instrumentation, Department of Electromechanics and Robotics;
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Abstract. Characteristics and parameters that make it possible to assess the technical condition of overhead power transmission lines are considered. Methods and means of determining the characteristics of power transmission lines are presented and dependences of the resistance of distribution power transmission lines on environmental factors are derived. The investigated parameters include the frequency of the network current, the resistance of the power line, the temperature of the electrical equipment, climatic parameters, the number and frequency of overloads in the network. A method of forecasting and assessing the state of power transmission lines based on the parameters of electrical equipment and the degree of its wear is proposed.
Keywords: overhead power lines, line impedance, power line operating modes, technical condition of power lines
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