摘要 |
<P>PROBLEM TO BE SOLVED: To provide a metal closed type switchgear compatible with an internal arc accident without changing the contour dimension of the metal closed type switchgear and its installation area. <P>SOLUTION: The switchgear includes: a first metal closed type switchgear 100 having a loaded blocker chamber 101, a bus-bar chamber 103 arranged at the back of the blocker chamber, and a cable-current transformer chamber 102 arranged at the back of the bus-bar chamber 103; a second metal closed type switchgear 200 having a blocker chamber 201 which is arranged at the side of the blocker chamber 101 at the lower side of the first metal closed type switchgear 100, and includes a partitioning plate 241 located below the partitioning plate 141 of the blocker chamber 101, a bus-bar chamber 203 arranged at the back of the blocker chamber 201, and a cable-current transformer chamber 202 arranged at the back of the bus-bar chamber 203; and common pressure-discharging chambers 205, 206 which are arranged above the blocker chamber 201 of the second metal closed type switchgear 200, and above the cable-current transformer chamber 202. <P>COPYRIGHT: (C)2009,JPO&INPIT |