The contribute describes and analyses some recent experimental results obtained at the High Voltage Padova Test Facility (HVPTF) The results of four voltage hold -off experiments adopting stainless steel electrodes are presented and discussed. The conditioning histories in high vacuum, obtained by a fully automatic procedure, have been compared and analysed. A marked total voltage effect has been observed for gap lengths longer than 70 mm. The best hold -off performances in medium vacuum, up to 800kV, the limit of the system, were obtained by the stationary injection of Ar.
HVDC insulation between shaped electrodes separated by large vacuum gaps
Deambrosis SM;Cervaro V;De Lorenzi A;Fincato M;Martines E;Pasqualotto R;Rossetto F;Spagnolo S;Zuin M
2019
Abstract
The contribute describes and analyses some recent experimental results obtained at the High Voltage Padova Test Facility (HVPTF) The results of four voltage hold -off experiments adopting stainless steel electrodes are presented and discussed. The conditioning histories in high vacuum, obtained by a fully automatic procedure, have been compared and analysed. A marked total voltage effect has been observed for gap lengths longer than 70 mm. The best hold -off performances in medium vacuum, up to 800kV, the limit of the system, were obtained by the stationary injection of Ar.File in questo prodotto:
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Descrizione: HVDC insulation between shaped electrodes separated by large vacuum gaps
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