| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a small, lightweight and reliable vacuum insulating switchgear which reduces a heat loss of an opening/closing switch fixing member, in a low-cost structure. <P>SOLUTION: The vacuum insulating switch includes: a casing which has a switch section, a bus section, a cable section, and a control section that are partitioned by ground metal plates; a vacuum two-point three-position type opening/closing switch which has a breaking function in the switch section; an opening/closing switch fixing member which supports and fixes the opening/closing switch; a bus which is installed in the bus section; and a cable which is connected to the opening/closing switch and is installed in the cable section. In the switchgear, the opening/closing switch fixing member is equipped with through holes where bushings for bus connection of each phase for connecting the opening/closing switch with the bus, and a slit which couples the through holes. <P>COPYRIGHT: (C)2011,JPO&INPIT |
