| 摘要 |
<p>1. A sulphur hexafluoride apparatus for load switch-over, comprising a sealed metal casing (1) filled with sulphur hexafluoride under pressure, at least two sets of input through connectors (11, 12) for the connection of a corresponding number of three-phase input cables (10, 20), a corresponding number of through connectors (13, 23) connected to earth, a corresponding number of three-phase input interrupters (12, 22) each having three position, an open position, a position in which the cable is connected to earth and a closed position, and a three-phase output interrupter (31) having three positions, an open position, an earthed position and a closed position in which the other interrupters are connected to a set of fuses (34), and a set of output through connectors (37) which are connected to the fuses, characterized in that all the through connectors (11, 21, 37), all the inputs to the fuses (34) and all the members for actuating the interrupters are arranged on the same face of the casing (1).</p> |
