| 摘要 |
<p>PURPOSE:To provide a gas insulation switchgear which has no deterioration in the insulation property even if there is a metallic foreign matter in a metallic container. CONSTITUTION:A high-tension conductor 12 is installed in a metallic container 11 of a gas-insulated bus 5 and the metallic container 11 gets filled with insulating gas 15 such as SF6. The high-tension conductor 12 is secured in the metallic container 11 with cone-shaped insulating spacers 23 and column-shaped insulating spacers 24. Each of the insulating spacers 23, 24 is formed with an epoxy resin-made main body 23a or 24a and a film 23b or 24b which is provided on the creeping surface of the main body 23a or 24b. Each of the films 23b, 24b is formed from ceramic material such as boron nitride.</p> |
