| 摘要 |
<p>PURPOSE:To increase the vibration proof of a gas-insulated switching device. CONSTITUTION:Branch buses 11A to 11C arranged in parallel to the surface of a floor are connected to breakers 13A to 13C provided upright on the surface of the floor, and arresters 12A to 12C are connected to the branch buses 11A to 11C. Thereby, since the height of gas-insulated switching devices 9A, 9B, 9C from the surface of the floor becomes low, the position of the center of gravity goes down, so that the frequency of natural oscillation becomes high to increase vibration proof.</p> |
