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箱式變電站選型說明
Description of Type Selection of Box Substation
箱式變電站是一種將高低壓配電柜、補(bǔ)償裝置和變壓器組合在一起的一體化成套配電裝置，是一種成熟度很高的經(jīng)濟(jì)型配電裝置。
箱式變電站具有成套性強(qiáng)、體積小、結(jié)構(gòu)緊湊、運(yùn)行安全可靠、維護(hù)方便、以及可移動等特點(diǎn)，與常規(guī)土建式變電站相比，同容量的箱式變電站占地面積通常僅為常規(guī)變電站的10%-20%，采用箱式變電站做為配電裝置，可以大大節(jié)省建筑物的空間。可用于公用設(shè)施、 居民小區(qū)、廠礦企業(yè)等城鄉(xiāng)建筑供電，也可用作風(fēng)力及光伏發(fā)電的升壓站，用途十分廣泛。
從結(jié)構(gòu)上分類，可分為歐式箱式變電站、仿美式箱式變電站、組合變壓器（美式箱變）。其中歐式箱式變電站是將高低壓柜、補(bǔ)償裝置、變壓器全部安裝于一個(gè)箱中的結(jié)構(gòu)型式，仿美式箱式變電站采用側(cè)出油浸式變壓器，外露于空氣中，其箱體內(nèi)裝高壓開關(guān)和低壓開關(guān)、補(bǔ)償裝置。組合變壓器是將高壓負(fù)荷開關(guān)、熔斷器與變壓器器身裝在變壓器油箱中并浸沒于油中，箱體內(nèi)只裝低壓開關(guān)和補(bǔ)償裝置。相比較而言歐式箱式變電站將變電設(shè)備與公眾完全隔離，安全性更高，使用也最廣泛。
箱式變電站產(chǎn)品符合 GB/T17467《高壓/低壓預(yù)裝式變電站》的標(biāo)準(zhǔn)和SD320《箱式變電站技術(shù)條件》。
我公司自1996年在重慶市最早開始生產(chǎn)箱式變電站，產(chǎn)品應(yīng)用在軌道交通、廠礦企業(yè)，居民小區(qū)、公用設(shè)施等場所，是重慶市的名牌產(chǎn)品。
Box-type substation is a kind of integrated power distribution unit which combines high and low voltage power distribution cabinet, compensation unit and transformer together. It is a kind of economic power distribution unit with high maturity.
Box-type substation has complete sets of strong, small size, compact structure, safe and reliable running, convenient maintenance, as well as the characteristics of mobile, compared with the conventional civil type transformer substation, with the capacity of the box-type substation area usually only 10% to 20% for conventional substation, USES the box-type substation as distribution equipment, can greatly save the space of the building. It can be used for power supply of urban and rural buildings, such as public facilities, residential communities, factories and mining enterprises, as well as booster stations for style power and photovoltaic power generation, with a wide range of USES.
In terms of structure, it can be divided into European box-type substation, modified American box-type substation and combined transformer (American box-type transformer). Among them, The European type of box substation is the structure type that installs the high and low voltage cabinet, compensation device and transformer in a box. The improved American type of box substation adopts the oil-immersed transformer led from the side by the lead. The transformer is exposed to the air, and the outdoor box body is equipped with high-voltage switch, low-voltage switch and compensation device. The structure of the combined transformer is to install the high-voltage load switch, fuse and transformer body together in the transformer oil tank, and only install the low-voltage switch and compensation device in the outdoor box. Compared with the European type box substation, it can completely isolate the substation equipment from the public, which is safer and more widely used.
The products of box-type substation conform to the standard of GB/T17467 "High-voltage/low-voltage pre-installed Substation" and SD320 "Technical Conditions of box-type Substation".
Our company began to produce box-type substation in Chongqing in 1996, and our products are used in rail transit, factories and mines, residential areas, public facilities and other places, which are famous brands in Chongqing.