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A substation double-bus double-row layout ais power distribution device layout structure

A power distribution device and layout structure technology, which is applied in the direction of busbar/line layout, etc., can solve the problems of small application range and limited investment savings, and achieve the effects of reducing installation engineering, reducing civil engineering costs, and improving assembly speed

Active Publication Date: 2016-04-06
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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  • A substation double-bus double-row layout ais power distribution device layout structure
  • A substation double-bus double-row layout ais power distribution device layout structure
  • A substation double-bus double-row layout ais power distribution device layout structure

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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 general design 220-C-2 scheme of the State Grid Corporation of 220kVAIS substation. The outdoor supports medium-sized and porcelain column circuit breakers are arranged in double rows, and all overhead outlets, 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...

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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 structure of an AIS power distribution device in a substation, especially suitable for the arrangement structure of the AIS power distribution device with a double busbar structure and a circuit breaker arranged in double rows. Background technique [0002] According to different insulation types of equipment, substation power distribution devices can be divided into three types: GIS (GasInsulatedSwitchgear, gas-insulated fully enclosed switch), HGIS (HybridGasInsulatedSwitchgear, mixed gas-insulated switch), AIS (AisInsulatedSwitchgear, air-insulated switch), currently the most used The most important is the GIS and AIS power distribution device. 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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