Stock material or miscellaneous articles – Sheet including cover or casing – Complete cover or casing
Patent
1994-12-07
1996-09-24
Ryan, Patrick
Stock material or miscellaneous articles
Sheet including cover or casing
Complete cover or casing
428464, 428408, 174 35MS, B32B 900
Patent
active
055589154
ABSTRACT:
This high-voltage installation has a metallic enclosure (1) which is filled with insulating gas and surrounds voltage-carrying active parts. In addition, it has at least one at least partial protective coating (7, 9, 10) either on the internal surface of the enclosure (1) or on the external surface over the active parts, or at least one at least partial protective coating (7, 9, 10) both on the internal surface of the enclosure (1) and on the external surface of the active parts.
It is intended to provide a high-voltage installation in which free electrons are also reliably removed from the insulating gaps and in which partial discharges generated by free particles are reduced to noncritical values of intensity. This is achieved in that the at least one protective coating (7, 9, 10) is doped with at least one fullerene which absorbs free electrons. Protective coatings which have a surface of vapor-deposited fullerene are also particularly suitable.
REFERENCES:
patent: 5227038 (1993-07-01), Smalley et al.
patent: 5316636 (1994-05-01), Bunshah
patent: 5393955 (1995-02-01), Simmons
Bucholz, S., u.a.: Leitf ahige Substrate f ur ultra-d unne organische Filme. Abstracts aus Advanced Materials, 1991, Nr. 1, S.51ff.
Hocken, J., u.a.: Elektrisch leitf ahige Pigmente zur antistischen Ausr ustung von polymeren Beschichtungsstoffen. In: Farbe + Lack, 98. Jr., Nr. 1, 1992, S. 19-24.
Herbst Ingo
Pietsch Ralf-Dieter
ABB Research Ltd.
Jewik Patrick
Ryan Patrick
LandOfFree
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