H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 5/04 (2006.01) H01B 3/10 (2006.01) H02G 5/06 (2006.01)
Patent
CA 2164481
This high-voltage installation has a metallic housing (1, 5) which is filled with insulating gas and surrounds voltage-carrying active parts (3, 7). It is provided with insulators for the electrically insulating support of the active parts (3, 7) in the housing (1, 5), with drive means formed in an electrically insulating manner for the actuation of the mobile sections of the active parts and with at least one protective coating (11) which covers at least the insulators and the drive means formed in an electrically insulating manner. It is intended to provide a high-voltage installation having a protective layer which is impermeable to liberated chemically aggressive decomposition products, in particular hydrofluoric acid, during the entire service life of the installation. This is achieved by the protective coating (11) being formed in such a way that decomposition products formed in the insulating gas during operation of the installation penetrate into the protective coating (11), and by the protective coating (11) having at least one component which reacts with the decomposition products to form at least one solid, nonhygroscopic reaction product. The reaction product produced by the reaction remains thereafter in the protective coating (11).
Bruhl Bodo
Julke Elias
Ritzer Leopold
Abb Research Ltd.
Swabey Ogilvy Renault
LandOfFree
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