Novel in-parallel compact type distribution scheme of combined electrical apparatuses

A technology for combining electrical appliances and layout schemes, which is applied in the direction of busbar/line layout, switchgear, electrical components, etc., can solve the problems of low cost and large area occupied by HGIS, achieve cost reduction, reduce on-site installation and commissioning workload, and compact structure Effect

Inactive Publication Date: 2012-04-11
王日新
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  • Abstract
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  • Claims
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Problems solved by technology

HGIS is cheaper than GIS, but because it i

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  • Novel in-parallel compact type distribution scheme of combined electrical apparatuses
  • Novel in-parallel compact type distribution scheme of combined electrical apparatuses

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Embodiment Construction

[0013] 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.

[0014] Refer to attached figure 1 , the arrangement scheme of the novel parallel compact combined electrical appliances 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 The gas main busbar 3, in this embodiment, is a system that includes two incoming line intervals 4, six outgoing line intervals 1, a measurement protection interval 6 and SF 6 The arrangement scheme of the new side-by-side compact combined electrical appliances for the gas main busbar 3, the two incoming line intervals 4 and the six outgoing line intervals 1 are all arranged side by side and compactly, inst...

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Abstract

The invention discloses a novel in-parallel compact type distribution scheme of combined electrical apparatuses and relates to a distribution scheme of the combined electrical apparatuses used by a power system. The novel in-parallel compact type distribution scheme comprises a plurality of wire incoming gaps, a plurality of wire outgoing gaps, a plurality of wire-incoming capacitance-type insulating buses, a plurality of wire-outgoing capacitance-type insulating buses and an SF6 (sulfur hexafluoride) gas main bus, wherein the wire incoming gaps and the wire outgoing gaps are distributed compactly in parallel, so that the single SF6 gas main bus or double SF6 gas main buses is/are shortened as much as possible; and the SF6 gas main bus is used for connecting the wire incoming gaps and the wire outgoing gaps; and at least one wire incoming gap adopts one wire-incoming capacitance-type insulating bus, or at least one wire outgoing gap adopts one wire-outgoing capacitance-type insulating bus. The novel in-parallel compact type distribution scheme has the beneficial effects that the SF6 gas main bus is furthest shortened, the standard modular design is carried out without considering the site, the production cost and the design cost are reduced, the structure is compact, the design is convenient, the debugging time on site is short and SF6 gas is greatly reduced.

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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