Configuration method of 110kV outdoor flexible busbar improved half-high distribution device
A technology of power distribution device and configuration method, which is applied in the direction of busbar/line layout, substation, electrical components, etc., can solve the problem of large occupied area, and achieve the effects of saving occupied area, saving investment, and saving occupied area
Active Publication Date: 2015-04-08
STATE GRID CORP OF CHINA +2
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Problems solved by technology
The open power distribution device has the advantages of low investment, convenient operation and maintenance, etc., but it occupies a large area
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[0016] A 110kV outdoor flexible busbar improved half-height power distribution device configuration method is suitable for external conditions: 110kV system main wiring adopts expanded internal bridge wiring form, station design wind speed 35m / s, pollution level III and below, earthquake protection The intensity is 7 degrees. The specific method is as follows: in terms of the interval width, for #1 incoming line interval and #2 incoming line interval, a combination of horizontal telescopic isolating switch and vertical telescopic isolating switch is used to replace the conventional GW4 type double-post horizontal opening isolating switch; For #2 main transformer incoming line interval, #1 main transformer incoming line and section I PT interval, #3 main transformer incoming line and section III PT interval, use horizontal telescopic isolating switch; for I, II section bridge interval, II , The isolating switch for the bridge interval of section III adopts a vertical telescopic ...
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The invention discloses a configuration method of a 110kV outdoor flexible busbar improved half-high distribution device. According to the configuration method of the flexible busbar improved half-high distribution device, by replacing conventional GW4-type double-column horizontal opening type disconnecting switches with combined GW17 horizontally telescopic disconnecting switches and GW16 vertically telescopic disconnecting switches for use, by respectively additionally arranging post insulators at middles of busbar downleads and by adopting heightening arresters or disconnecting switches and the like, the spacing distance is reduced. By the novel construction method of the distribution device, not only is the advantage that the investment of the outdoor flexible busbar distribution device is reduced kept but also the occupied area is further saved; compared with the conventional outdoor flexible busbar improved half-high distribution device, the 110kV outdoor flexible busbar improved half-high distribution device is capable of saving the occupied area of 23.6 percent.
Description
Technical field [0001] The invention relates to a configuration method of a half-height power distribution device, in particular to a configuration method of a 110kV outdoor soft bus improved half-height power distribution device. Background technique [0002] 110kV outdoor power distribution devices can be divided into open power distribution devices and complete power distribution devices according to different assembly methods. When the 110kV outdoor power distribution device adopts the open soft busbar method, the power distribution device can be subdivided into high type, half-height type and ordinary medium type. From the perspective of convenient operation and maintenance and saving floor space, half-height and ordinary medium-sized power distribution devices have been widely used. Open power distribution devices have the advantages of low investment and convenient operation and maintenance, but they occupy a large area. In recent years, with the continuous improvem...
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IPC IPC(8): H02B5/00H02B1/20
Inventor 陈清鹤林方彬吴宏琅李常青高献林华
Owner STATE GRID CORP OF CHINA