| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switchgear which can easily inspect an operating mechanism in a short time. <P>SOLUTION: The switchgear includes a cable end opening/closing unit 1a provided on a back side in a case 1, a breaker opening/closing unit 1b provided at a center between the back side and the front surface side of the case 1, and a bus opening/closing unit 1c for constituting double buses 25, 26 provided at the front surface side of the case. The breaker opening/closing unit 1a is constituted at a breakdown operating unit 1b2 for opening/closing a breaker 1b1 of an upper stage and a breaker 1b1 of a lower stage of the case 1; and the bus opening/closing unit 1c is constituted of a bus 1c1 of double buses 25, 26 of the upper stage of the case 1, a bus-operating unit 1c2 for switching the power supply of the bus part 1c1 of an intermediate stage and an inspection space 1c3 of a lower stage, and contained in an operating mechanism chamber 1z2, in which the breakdown operating unit 1b2 is connected to the inspection space 1c3. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
