Novel scheme for arranging ring-shaped compact type combined electrical apparatus

A technology for combining electrical appliances and layout schemes, applied in the directions of bus/line layout, switchgear, electrical components, etc., can solve the problems of HGIS occupying a large area and low cost, and achieve reduced high-voltage exposure points, low cost, and less gas consumption Effect

Inactive Publication Date: 2012-04-11
王日新
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

HGIS is cheaper than GIS, but because it i

Method used

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  • Novel scheme for arranging ring-shaped compact type combined electrical apparatus
  • Novel scheme for arranging ring-shaped compact type combined electrical apparatus

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Embodiment Construction

[0012] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0013] Refer to attached figure 1 , the layout scheme of the novel ring-shaped compact combined electrical appliance of the present invention includes several incoming line intervals 4, several outgoing line intervals 1, several incoming line capacitive insulating busbars 5, several outgoing line capacitive insulating busbars 2, SF 6 Gas bus distributor 3, the SF 6 The gas bus distributor 3 is located in the middle position to connect all the incoming line compartments 4 and outgoing line compartments 1, and all the incoming line compartments 4 and outgoing line compartments 1 are arranged in the SF in a ring-shaped compact manner 6 Around the gas bus distributor 3.

[0014] In this embodiment, this is a system including two incoming wir...

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Abstract

The invention relates to a scheme for arranging a combined electrical apparatus used by an electric power system, and provides a scheme for arranging each combined electrical apparatus with incoming line intervals and outgoing line intervals arranged in a ring-shaped and compact mode. The combined electrical apparatus comprises a plurality of incoming line intervals, a plurality of outgoing line intervals, a plurality of incoming line capacitive insulated buses, a plurality of outgoing line capacitive insulated buses and a sulfur hexafluoride (SF6) gas bus distributor, wherein the SF6 gas bus distributor is positioned in the center and is connected with all the incoming line intervals and outgoing line intervals; all the incoming line intervals and outgoing line intervals are arranged around the SF6 gas bus distributor in a ring-shaped and compact mode; the incoming line intervals are connected to an incoming line circuit of the incoming line intervals by adopting the incoming line capacitive insulated buses; and the outgoing line intervals are connected to an outgoing line circuit of the outgoing line intervals by adopting the outgoing line capacitive insulated buses. The scheme has the advantages that: the used amount of SF6 gas is reduced, the production cost and the design cost are reduced, the field installation and debagging workload is reduced, the manufacturing cost is reduced, and a high-voltage exposed point can be reduced to the utmost extent.

Description

technical field [0001] The invention relates to an arrangement scheme of a combined electric appliance used in a power system. Background technique [0002] High-voltage combined electrical appliances have become the mainstream form of substations with voltage levels above 72.5kV. High-voltage combined electrical appliances are divided into fully integrated electrical appliances (GIS) and semi-assembled electrical appliances (HGIS). The GIS bus bar is enclosed in SF 6 In the gas, the HGIS busbar is exposed, which is the main difference between the two. The cost of HGIS is lower than that of GIS, but because it is a bare busbar, HGIS occupies a large area. HGIS is not suitable for substations that require no high-voltage exposure points and occupy a small area. GIS is usually used in such substations. Substations are developing toward unattended, and GIS that minimizes high-voltage exposure points has more advantages than HGIS. Replace short-distance overhead lines, high-...

Claims

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Application Information

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IPC IPC(8): H02B1/20H02B13/035
Inventor 仝志红
Owner 王日新
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