| 摘要 |
A porcelain gas-filled bushing wherein a central conductor passes through a porcelain tube which is filled with an insulating gas, a fitting flange which is fastened to one end of the porcelain tube is grounded, and an electrode which encircles the central conductor at a predetermined spacing therefrom and which is covered with an insulating member is electrically connected with the fitting flange. Alternatively, several electrodes fitting within each other may be provided around the central conductor. In one embodiment the electrodes are conical and flare radially outwardly of said central conductor from a lower end toward an upper end thereof.
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