Clean Power

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The National Academy of Sciences of Ukraine

The Institute of Electrodynamics

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A.A. Shcherba*, A.D. Podoltsev**, I.M. Kucheriava
Institute of Electrodynamics of the National Academy of Sciences of Ukraine, pr. Peremohy, 56, Kyiv, 03057, Ukraine,
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The article proposes a device for remote monitoring of high-voltage cable line state. The device gives a possibility to measure simultaneously several diagnostic characteristics, i.e. the temperature of cable outer sheath, electric current in cable core, capacitive current to earth and uses a specially designed internal electric power source that directly converts the energy of cable electromagnetic field into electric energy with necessary parameters. By computer simulation, the temperature field distribution in the cable cores of 330 kV cable line is determined and the quantitative relationship between the directly measured temperature on the cable outer sheath and the temperature values of the cable core and insulation, which are important diagnostic characteristics of the thermal state of power cables is revealed. References 5, figures 3.
Key words: cable line, monitoring, diagnostics of state, temperature field.

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3. Podoltsev A.D., Kucheriava I.M. Numerical calculation of electromagnteic and thermal processes in underground cable line. Steady-state conditions. Tekhnichna Elektrodynamika. Spec. issue Power electronics and energy efficiency. 2006. Part 1. Pp. 91-95. (Rus)
4. Comsol multiphysics modeling and simulation software. (accessed: 15.06/2020)
5. Makarov E.F. Handbook on the 4-35 kV and 110-1150 kV power networks. Moskva: Papirus-Pro. 2005. Vol. 4. 640 p. (Rus).

Received 24.06.2020