| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress the dimensions of a duct chamber for discharging the pressure of high-temperature gas in the direction of height to reduce the size of the entire shape. <P>SOLUTION: Switchgear includes: a circuit breaker chamber 1b1 that houses a circuit breaker 6; a first bus chamber 1b2 that is placed on the ceiling surface of the circuit breaker chamber 1b1 and houses a first disconnector 9a and a first bus 10a; a second but chamber 1b3 that is placed on the ceiling surface of the circuit breaker chamber 1b1 at a distance from the first bus chamber 1b2 and houses a second disconnector 9b and a second bus 10b; and a main circuit duct chamber 1b5 that is placed on the ceiling surface of the circuit breaker chamber 1b1 between the first bus chamber 1b2 and the second bus chamber 1b3 with a distance in-between and is provided with pressure discharge ports 20a, 20b, 20c having a pressure discharge plate. <P>COPYRIGHT: (C)2009,JPO&INPIT |
