JPS58195407A - Gas insulated switching device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a gas insulated switchgear, and more particularly to the configuration of a gas insulated switchgear using a vertical gas breaker.

Arrangement o1 of gas insulated switchgear according to the prior art configured corresponding to the skeleton shown in Fig. 1 or vertical gas breaker i
In this case, as shown in FIG. 2, the equipment on the power receiving side and the equipment on the mother machine side were placed on the left and right sides of the vertical gas breaker 1, so there was a limit to the reduction of the installation area. Here, receive power 1
The lllldA device includes a current transformer 2, a power receiving side earthing switch 3,
Disconnector 4, power receiving bushing 5, mother 1Iilf
IA device is current transformer 7, earthing switch 8, disconnection! 99, biological relationship 10.

The purpose of this @- is to provide a gas insulated switchgear with a reduced installation area.

The present invention reduces the installation area on the side of the gas breaker by connecting the power receiving unit to the upper end of the vertical gas breaker in the axial direction.

Hereinafter, the embodiment of the present invention will be explained with reference to FIG.

Vertical gas i11? A current transformer 2. is installed at the upper end of the vessel 1 in the axial direction as a receiver #L side device. Earthing switch 3. Disconnector 4. The bushings 5 are arranged almost linearly, and the entire device is placed at the bottom of the overhead detention tower 6. Mom again! [Current transformation as a device! 7. Superior ground switch8. The disconnector 9° double main busbar 10 is located on the side of the vertical gas breaker 1.

According to this embodiment, the lower part of the overhead line hold tower 6 is effectively used, and the power receiving equipment a is not placed on the left side of the vertical gas breaker l, and the entire gas insulated switchgear is The installation time can now be reduced to about 60% of the conventional size. - Summary Figure 4 shows another embodiment, in which the cable 11 constitutes the insulation lead-out means instead of the bushing. In this example, current transformer 2↓ and disconnect @4 are connected to the axis of vertical gas breaker l.
Since it is placed above, the installation area can be reduced by t compared to the conventional one.

Fig. 5 shows still another embodiment, in which the disconnector 4 etc. are placed horizontally, but the connection with the vertical gas breaker 1 is made upward in the axial direction, so that the length required for this connection is lowered. The attached area can be reduced. Furthermore, in this example, there is a round line connected to the vertical gas breaker 1 in the axial direction, and a line below the disconnector 4.
・11 The base is completed and a vertical space is constructed to be used as an inspection space for the interrupter 1 and the operating device.

As explained above, according to the present invention, since the new line switch 4, etc., as the power receiving side equipment is connected to the upper end of the vertical gas breaker, the installation area of the gas insulated switchgear is reduced compared to the conventional vertical gas breaker. The size can be significantly reduced compared to the case where a circuit breaker is used.

[Brief explanation of the drawing]

Fig. 1 is a basic skeleton of a power receiving unit, Fig. 2 is a front view of a conventional gas insulated switchgear, Fig. 3 is a front view of a gas insulated switchgear according to an embodiment of the present invention, Figs.
The figure is another of the invention! ii! FIG. 2 is a front view of a gas-insulated switchgear according to an example. 1... Vertical gas breaker, 2.7... Current transformer, 3.
8... Earthing switch, 4.9... Disconnector, 5... Bushing, 6... Overhead line restraint tower, 10... Bus bar,
11...Cape 1fJl Flash

Claims (1)

[Scope of Claims] 1. A gas insulated switchgear in which a power receiving insulating lead-out means, a disconnector, and a current transformer are connected to the upper end in the axial direction of a vertical gas breaker. 2. In the device described in claim 1, the power receiving insulating lead-out means is a bushing 61, and the bushing, the new circuit switch, and the current transformer are connected to each other on the axis of the vertical gas breaker. Gas insulated switchgear arranged almost in a straight line.