Electricity: conductors and insulators – Insulators – Combined
Patent
1994-04-08
1995-11-14
Kincaid, Kristine L.
Electricity: conductors and insulators
Insulators
Combined
174 11BH, 174 12BH, 174 14BH, 174 153, 174 19, 174140R, 174143, H01B 1726
Patent
active
054668913
ABSTRACT:
The present invention provides a floating shield for a high voltage bushing. Preferably the bushing is conically shaped and has a composite housing for substantially optimizing the electrical performance of the bushing according to the invention. The floating shield is preferably suspended within the bushing housing by a supporting insulator placed in a low electrical stress region of the bushing. In a preferred embodiment, the supporting insulator is disposed between a ground grading shield and the bushing housing. The composite housing preferably provides a protective inner tube made of a fiber reinforced material and an outer silicone rubber housing having weather sheds formed in a helix on the surface of the housing.
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Freeman Willie B.
Froehlich Klaus B.
Johnson David S.
ABB Power T&D Company Inc.
Figlin Cheryl R.
Kincaid Kristine L.
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