| Patent Number |
Title Of Patent |
Date Issued |
| 7193172 |
Gas-insulated switchgear tank |
March 20, 2007 |
| In a gas-insulated switchgear tank in which an electric insulating characteristic is improved by a gas, and which has a vacuum circuit-breaker, a disconnecting switch, and a container in which container the vacuum circuit-breaker and the disconnecting switch are arranged and an insid |
| 5712756 |
Substation with surge arresters |
January 27, 1998 |
| A substation includes standard arresters installed near a bushing of a power transmission line entrance and at a connecting bus of a transformer and one or more high voltage arresters having a discharge voltage 10 to 30% higher than a standard arrester. Each high voltage arrester uses zi |
| 5585996 |
Arrestor for gas insulated switchgear |
December 17, 1996 |
| In order to provide an arrestor for a gas insulated switchgear in which the voltage share rates of respective zinc oxide non-linear resistance elements are made uniform, in an arrestor constituted by a plurality of columns for a gas insulated switchgear, the thickness or the capacitance |
| 5373279 |
Arrester for gas insulated switchgear device |
December 13, 1994 |
| An arrester for a gas insulated switchgear device includes a closed container filled with an insulating gas; a columnar piled body formed by piling up a plurality of zinc oxide resistance elements between a high voltage side terminal and a grounding side terminal disposed in the closed |