Vol. 337 No. 3 (2026)
DOI https://doi.org/10.18799/24131830/2026/3/5285
Calculation of electrostatic antennas characteristics of capacitive power supply of gas glow discharge systems for light marking of overhead transmission line conductors
Relevance. Problem of reliability of overhead transmission lines and safety of air transport flights caused by the collisions with conductors or towers. According to statistics, they can lead to human casualties, disruption of the functioning of the energy system and financial losses due to the crash of aircraft. This is especially true in regions with heavy use of small aircraft for passenger and cargo transportation, which uses low levels not only for takeoffs and landings. These regions primarily include mineral deposits under development. To prevent such incidents, the most reliable and convenient mean is considered to be the light marking of wires. It is a continuous gas glow discharge device, which is powered by capacitive power take-off from the lines conductors with a voltage of 35 kV and higher, providing wires visual recognition at nights and in poor visibility conditions. At the same time, the dimensions of existing power supply systems for gas-discharge devices can be comparable with the span lengths of low and medium voltage lines (35 and 110 kV). Aim. To analyse the possibility of increasing the power output while reducing the longitudinal dimensions of electrostatic antennas and the search for the optimal antenna geometry. Methods. This goal was achieved by modeling electrostatic antennas and calculating the basic parameters of the antenna–wire–ground system based on the finite element method in specialized software. Results and conclusions. The authors have developed the theoretically justified initial and simplified replacement schemes of the systems under consideration, explaining capacitive power take-off, numerical and sketch data proving the possibility of reducing the longitudinal dimensions of antennas in comparison with traditional solutions, and recommendations for using the found solution to ensure efficient operation of gas glow discharge marker lamps.
For citation: Astafiev G.S., Krivova L.V., Titkov V.V., Ushakov V.Ya. Calculation of electrostatic antennas characteristics of capacitive power supply of gas glow discharge systems for light marking of overhead transmission line conductors. Bulletin of the Tomsk Polytechnic University. Geo Assets Engineering, 2026, vol. 337, no. 3, pp. 28–35. https://doi.org/10.18799/24131830/2026/3/5285
Keywords:
aviation safety, reliability of energy grid operation, gas glow discharge wire marking lamps, overhead transmission lines, capacitive power take-off, electrostatic antennas
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