The efficiency of gas-filled surge arresters in the environment contaminated by non-ionizing radiation of fusion reactors

The research presents an experiment with a model of an electronic generator for energy injection into the plasma of a fusion reactor. By recording a non-ionizing field in the vicinity of a fusion reactor, it was determined that this field has an extremely high growth rate. At the site of the maximum...

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Bibliographic Details
Published in:	Nuclear technology & radiation protection Vol. 37; no. 1; pp. 51 - 56
Main Authors:	Arandjelovic, Nemanja, Nikezic, Dusan, Ramadani, Uzahir, Lazovic, Ivan, Mirkov, Nikola, Osmokrovic, Predrag
Format:	Journal Article
Language:	English
Published:	Belgrade Vinca Institute of Nuclear Sciences 2022 VINCA Institute of Nuclear Sciences
Subjects:	Alpha particles Alpha rays Circuit protection Circuits Critical point Efficiency electromagnetic environmental contamination electromagnetic field Electronic circuits Electronics Experimentation fusion reactor Fusion reactors gas-filled surge arrester Ionizing radiation Radiation Signal generators Surge arresters
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Summary:	The research presents an experiment with a model of an electronic generator for energy injection into the plasma of a fusion reactor. By recording a non-ionizing field in the vicinity of a fusion reactor, it was determined that this field has an extremely high growth rate. At the site of the maximum intensity of the field of non-ionizing radiation, commercial surge arresters with a flexible model of surge arresters were used for experimentation. It has been found that the commercial surge arresters have an efficiency of about 20%. For the efficiency of the flexible model, it was found to be slightly less than 40% (and to be achieved by the application of alpha particle radiation). Since neither of these efficiencies guarantee reliable operation of the gas-filled surge arrester, it was concluded that essential electronics in the vicinity of the fusion generator must be protected. However, since this protection can only be implemented in a fusion reactor, the fact remains that the environment of such a reactor is extremely contaminated with non-ionizing radiation. Commercial surge voltages are isolated for testing since the protection of electronic circuits from fast overvoltages is a critical point for the functioning of modern electronics.
ISSN:	1451-3994 1452-8185
DOI:	10.2298/NTRP2201051A