JPH0268608U

JPH0268608U -

Info

Publication number: JPH0268608U
Application number: JP14533488U
Authority: JP
Priority date: 1988-11-09
Filing date: 1988-11-09
Publication date: 1990-05-24

Description

[Brief explanation of drawings]

第１図は本考案のガス絶縁開閉装置の一実施例
を示す側面図、第２図は第１図の平面図、第３図
は第１図及び第２図に示したガス絶縁開閉装置の
単線結線図、第４図は第１図における第２の遮断
器内に事故が発生した際に、両遮断器間に配設さ
れたブツシング取付部に事故発生遮断器側のブツ
シングを移設した状態を示す側面図、第５図は本
考案の他の実施例を示す側面図、第６図は第５図
の平面図、第７図は２重母線方式の一般的な単線
結線図である。１……第１の主母線、２……第２の主母線、３
……主母線切替用断路器、４……ライン回線、５
……バンク回線、６……断路器、７……接地装置
、８……主母線連絡用遮断器、９……母線連絡回
線、１０ａ……第１の遮断器、１０ｂ……第２の
遮断器、１１ａ，１１ｂ……ブツシング、１２ａ
，１２ｂ……断路器、１３ａ，１３ｂ……接地装
置、１４ａ，１４ｂ……接地装置、１５ａ，１５
ｂ……母線着脱装置、１６……ブツシング取付部
、１７……母線、２０……予備のブツシング。 Fig. 1 is a side view showing an embodiment of the gas insulated switchgear of the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 is a view of the gas insulated switchgear shown in Figs. 1 and 2. Figure 4 is a single-line wiring diagram showing the state in which when an accident occurs in the second circuit breaker in Figure 1, the bushing of the circuit breaker where the fault occurred is relocated to the bushing mounting part located between both circuit breakers. 5 is a side view showing another embodiment of the present invention, FIG. 6 is a plan view of FIG. 5, and FIG. 7 is a general single-line connection diagram of the double busbar system. 1...First main bus bar, 2...Second main bus bar, 3
...Main bus switching disconnector, 4...Line line, 5
...Bank line, 6...Disconnector, 7...Grounding device, 8...Main bus line communication circuit breaker, 9...Bus line communication line, 10a...First circuit breaker, 10b...Second circuit breaker Vessel, 11a, 11b...butsuthing, 12a
, 12b...Disconnector, 13a, 13b...Grounding device, 14a, 14b...Grounding device, 15a, 15
b... Bus bar attachment/detaching device, 16... Bushing mounting portion, 17... Bus bar, 20... Spare bushing.

Claims

[Scope of utility model registration request]

Two circuit breakers are electrically connected in series to the busbar connection line that connects the double busbars of the air insulation type, and an airbusbar connection section is provided between both circuit breakers via a busbar attachment/detachment device. A gas insulated switchgear characterized by: