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Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation

A technology of power distribution device and double busbar, applied in the direction of busbar/line layout, etc., can solve the problems of limited investment saving and small application scope, and achieve the effect of reducing civil construction cost, reducing installation engineering quantity and improving assembly speed.

Active Publication Date: 2014-04-02
ANHUI ELECTRIC POWER DESIGN INST CEEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the occupied area is much larger than GIS, the investment saving is limited compared with GIS, and the application range is small

Method used

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  • Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation
  • Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation
  • Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation

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Embodiment Construction

[0019] This embodiment is to apply the present invention to the 220kV power distribution device of the 2011 version of the general design 220-C-2 scheme of the State Grid Corporation of China in the 220kV AIS substation. Such as figure 1 As shown, in the 220kV power distribution equipment field area, the outlet circuit and the main transformer circuit, the bus coupler circuit, and the bus installation circuit are combined and arranged in the line-main transformer bay 18, the line-bus coupler bay 19, and the line-bus board bay In 20, there are three line-main transformer bays 18, two line-bus coupler bays 19, three line-bus bays 20 and one section bay 21, wherein: each line-main transformer bay includes four groups Bus isolating switch, two circuit breakers, six current transformers, one set of outgoing line isolating switches 9a, one set of incoming line isolating switches 9b, one voltage transformer 10 and three lightning arresters 11; each line-bus coupler interval includes...

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Abstract

The invention discloses an arrangement method of a dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of a substation. The method is characterized by comprising the following steps of arranging a tube bus I and a tube bus II at the proper height positions, arranging each bus isolation switch and each line outgoing loop circuit breaker under the two groups of tube buses, and respectively arranging each electrical equipment on a ground equipment bracket; respectively arranging line outgoing loop circuit breakers from bays, such as a line-main transformer bay, a line-bus tie bay and a line-bus equipment bay, into a row in the direction parallel with the tube buses, and positioning at the line outgoing side of the tube bus I; arranging the main transformer loop circuit breakers of each line-main transformer bay into a row in the parallel direction, and positioning at the line incoming side of the tube bus I; enabling the bus isolation switches in the line-main transformer bay to adopt vertical telescopic type 0-degree isolation switches. The method has the advantage that by reasonably arranging the plane height of the tube buses, the dual-layer arrangement layout of the tube buses and the equipment is formed, so the land is effectively utilized, and the land occupation is saved.

Description

technical field [0001] The invention relates to an arrangement method of an AIS power distribution device in a substation, and is especially suitable for the arrangement method of the AIS power distribution device with a double busbar structure and circuit breakers arranged in double rows. Background technique [0002] According to different insulation types of equipment, substation power distribution devices can be divided into GIS (Gas Insulated Switchgear, gas insulated fully enclosed switch), HGIS (Hybrid Gas Insulated Switchgear, mixed gas insulated switch), AIS (Ais Insulated Switchgear, air insulated switch) Three types, currently the most widely used are GIS and AIS power distribution devices. Among them, the GIS power distribution device is reliable in operation, compact in layout, and occupies a small area. Larger, not suitable for tight urban areas. HGIS equipment is between AIS and GIS, and its type is basically the same as GIS, but does not include bus equipme...

Claims

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Application Information

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IPC IPC(8): H02B1/22
Inventor 邵松涛王志毅周海鹏程中杰
Owner ANHUI ELECTRIC POWER DESIGN INST CEEC
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