Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Lech Michał, Węgierek Paweł
Dyscypliny:
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Rok wydania:	2023
Wersja dokumentu:	Elektroniczna
Język:	angielski
Numer czasopisma:	3
Wolumen/Tom:	72
Strony:	597 - 611
Impact Factor:	1,2
Web of Science® Times Cited:	2
Scopus® Cytowania:	2
Bazy:	Web of Science \| Scopus
Efekt badań statutowych	NIE
Finansowanie:	This work was supported by The National Centre for Research and Development and co-financed from the European Union funds under the Smart Growth Operational Programme (grant # POIR.01.01.01-00-0451/21).
Materiał konferencyjny:	NIE
Publikacja OA:	TAK
Licencja:
Sposób udostępnienia:	Witryna wydawcy
Wersja tekstu:	Ostateczna wersja opublikowana
Czas opublikowania:	W momencie opublikowania
Data opublikowania w OA:	14 lipca 2023
Abstrakty:	angielski
	The article presents the results of laboratory measurements of Ud breakdown voltages in a high-voltage vacuum insulating system for different pressures, contact gaps, type of electrode contacts and type of residual gas inside the discharge chamber. First of all, the electrical strength of the discharge chamber with a contact system terminated with contact pads made of W70Cu30 and Cu75Cr25 material was compared for selected values of contact gaps. It was found that below a pressure of p = 3.0 x 10^-1 Pa the electrical strength reaches an approximately constant value for each of the set contact gaps d. Analytical relationships were determined to calculate this value for each of the contact pads used. Above a pressure of p = 3.0 x 10^-1 Pa, the measured values of Ud breakdown voltages decrease sharply. The values of breakdown voltages in the discharge chamber with residual gases in the form of air, argon, neon and helium were also determined for selected values of contact gaps d. Depending on the residual gases used, significant differences were noted in the values of pressure p at which the loss of insulating properties in the discharge chamber occurred. These values were 3.3 x 10^-1 Pa for argon, 4.1 x 10^-1 Pa for air, 6.4 x 10^-1 Pa for neon, and 2.55 x 10^0 Pa for helium, respectively.

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Effect of selected parameters on the electrical strength of a high-voltage vacuum insulation system

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