Journal of Radio Electronics. eISSN 1684-1719. 2025. №5
Full text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2025.5.2
OPTIMIZATION OF THE PROTECTION DEVICES
CROSS-SECTION PARAMETERS AGAINST ULTRA-SHORT
PULSES OPERATING IN DIFFERENTIAL
AND COMMON MODES
V.P. Kosteletskii, E.B. Chernikova, A.M. Lakoza
Tomsk State University of Control Systems and Radioelectronics,
634050, Russia, Tomsk, Lenina Ave., 40
The paper was received February 11, 2025.
Abstract. The article presents an approach to the development of ultra-short pulse (USP) protection devices operating in differential and common mode. The results of justification of structural design of devices and selection of diagram models that take into account the modes during simulation are given. Parametric optimisation of cross-sections of 6- and 8-wire structures has been performed. Optimisation was performed according to two criteria: minimisation of the output voltage amplitude for differential and common mode separately and minimisation of the square of the difference between the maximum and minimum time intervals to increase the minimum value of the difference between the per-unit-length delays and, as a consequence, to maximise the duration of the USP, which can be fully decomposed. Simulation results with optimal parameters showed that the attenuation of USP in the studied structures increased on average by a factor of 12 in both modes, compared to the attenuation obtained before optimisation. From the analysis of frequency and time characteristics it is obtained that the 6- conductor structure is optimal for use as protection of power supply circuits, and the 8- conductor structure is optimal for both protection of power supply circuits and signal circuits.
Key words: protection devices, electromagnetic compatibility, differential mode, common mode, modal decomposition, radio electronic equipment.
Financing: The research was funded by the Russian Science Foundation, project 23-79-01216, https://rscf.ru/project/23-79-01216/ at TUSUR and the Ministry of Science and Higher Education of the Russian Federation, project FEWM 2024-0005.
Corresponding author: Chernikova Evgeniya Borisovna chiernikova96@mail.ru
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For citation:
Kosteletskii V.P., Chernikova E.B., Lakoza A.M. Optimization of the protection devices cross-section parameters against ultra-short pulses operating in differential and common modes. // Journal of Radio Electronics. – 2025. – №. 5. https://doi.org/10.30898/1684-1719.2025.5.2 (In Russian)