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35kV戶內(nèi)戶外耐污型高壓穿墻套管(銅導(dǎo)體和鋁導(dǎo)體)

35Kv Indoor-Outdoor Antifouling Type wall bushing (Aluminum Conductor)

概述summarize

電站用穿墻套管適用于35kV及以下電壓等級(jí)的電站、變電所配電裝置及電器設(shè)備中，供導(dǎo)線（母線）穿過接地隔板，墻壁及封閉配電機(jī)構(gòu)中作為絕緣支持和外部導(dǎo)線（母線）連接用。

High pressure wall bushing of power station is suitable for up to and including 35 kv voltage grade of power plant, substation, power distribution equipment and electrical equipment, For lead (bus) through the ground plate, Walls and closed distribution agencies as support and external insulation wire (bus) in connection with.

二、產(chǎn)品分類Product categories

電站用高壓穿墻套管分為戶內(nèi)和戶外兩大類，有銅導(dǎo)體、鋁導(dǎo)體及不帶導(dǎo)體的母線式穿墻套管三種結(jié)構(gòu)，并有普通型和耐污型兩大類產(chǎn)品。

Wall bushing divided into two big series: indoor and outdoor，Three kinds of structure with copper conductor and aluminum conductor and busbar wall bushing without a conductor，And have a regular and fouling resistance type two categories of products.

由于產(chǎn)品較多，為便于用戶查詢，將產(chǎn)品分別分類介紹。其中又將耐污型系列分為爬電比距2.0cm/kV以下和2.5cm/kV以上兩類。特別*爬電比距2.5cm/kV和3.1cm/kV產(chǎn)品，不僅戶外端耐污性能高，而且盡可能地加大了戶內(nèi)端的爬電比距，以防止因凝露等原因造成閃絡(luò)。

Because the product is more, for ease of user queries, the product classification is introduced respectively. Fouling resistance type series can be divided into two types of Creepage distance ≤2.0cm/kV and ≥2.5cm/kV. Particularly recommended creepage distance 2.5 cm/kV and 3.1 cm/kV products. Not only outdoor side fouling resistance is high, but also increased than indoor the creepage distance as far as possible, in order to prevent the flashover caused by condensation, etc.

三、產(chǎn)品制造依據(jù)Product manufacturing basis

高壓穿墻套管性能符合GB12944.1-91《高壓穿墻套管技術(shù)條件》、GB12944.2《高壓穿墻套管尺寸與特性》的規(guī)定。

High pressure wall bushing Performance conforms to GB12944.1-91 High pressure wall bushing technology conditions and GB12944.2 High pressure wall bushing size and characteristics.

四、使用環(huán)境

　1）戶內(nèi)套管Indoor bushing

a)環(huán)境溫度不高于+40℃，不低于-40℃；

The environment temperature is ≤ + 40 ℃, ≥- 40 ℃

b)海拔不超過1000m;

The altitude does not exceed 1000 m;

c)相對(duì)濕度月平均不大于90%；

The average ≤ 90% relative humidity;

d)周圍空氣應(yīng)不受腐蝕性和可燃?xì)怏w、水蒸汽等明顯污穢；

Ambient air should not be obvious, such as corrosive and flammable gas, water vapor and filth.

e)無經(jīng)常性的劇烈振動(dòng)。

No recurrent severe vibration.

2）戶外套管Outdoor bushing

a)環(huán)境溫度不高于+40℃，不低于-40℃；

The environment temperature is ≤ + 40 ℃, ≥- 40 ℃

b)海拔不超過1000m;

The altitude does not exceed 1000 m;

c)風(fēng)速不大于34m/s；

Wind speed is not more than 34 m/s;

d)產(chǎn)品的使用環(huán)境的空氣污穢程度，按GB5582分為0、Ⅰ、Ⅱ、Ⅲ、Ⅳ等五級(jí)；

Products using the environment air polluted degree, accord to GB5582 into 0, Ⅰ, Ⅱ, Ⅲ, Ⅳ;

e)無經(jīng)常性的劇烈振動(dòng)。

No recurrent severe vibration.

五、型號(hào)說明 Model specification

C——戶內(nèi)銅導(dǎo)體穿墻套管Indoor copper conductor wall bushing；

CW——戶外-戶內(nèi)銅導(dǎo)體穿墻套管Indoor-outdoor copper conductor wall bushing；

CB——戶內(nèi)圓導(dǎo)桿穿墻瓷套管Indoor circular guide wall porcelain bushing；B—抗彎破壞負(fù)荷等級(jí)Bending failure load level，8kN（加強(qiáng)型enhanced）。
CWB——戶外-戶內(nèi)圓導(dǎo)桿穿墻瓷套管Indoor-outdoor circular guide wall porcelain bushing；

CWC——戶外-戶內(nèi)穿墻瓷套管Indoor-outdoor wall porcelain bushing；C—抗彎破壞負(fù)荷等級(jí)Bending failure load level，12kN（加強(qiáng)型enhanced）。

CL——戶內(nèi)鋁導(dǎo)體穿墻套管Indoor aluminum conductor wall bushing；
CWL——戶外-戶內(nèi)鋁導(dǎo)體穿墻套管Indoor-outdoor aluminum conductor wall bushing；
CLB——戶內(nèi)鋁導(dǎo)體穿墻套管Indoor aluminum conductor wall bushing（加強(qiáng)型enhanced）；

CWLB——戶內(nèi)-戶外鋁導(dǎo)體穿墻套管（加強(qiáng)型enhanced）Indoor-outdoor aluminum conductor wall bushing
CWW——戶外-戶內(nèi)耐污型銅導(dǎo)體穿墻套管Indoor-outdoor antifouling type copper conductor wall bushing；
CWWL——戶外-戶內(nèi)耐污型鋁導(dǎo)體穿墻套管Indoor-outdoor antifouling type aluminum conductor wall bushing；

CWWLB——戶外-戶內(nèi)耐污型鋁導(dǎo)體穿墻套管（加強(qiáng)型enhanced）Indoor-outdoor antifouling type aluminum conductor wall bushing；
CM——戶內(nèi)母線穿墻套管Indoor busbar wall bushing；
CMW——戶內(nèi)-戶外母線穿墻套管Indoor-outdoor busbar wall bushing；
CMWW——戶外-戶內(nèi)耐污型母線穿墻套管Indoor-outdoor antifouling busbar wall bushing；

字母后數(shù)字為設(shè)計(jì)順序號(hào)After the letter digital serial number for a design。
例type example： CWWL-35/630-3
系35kV電壓、630A電流、戶外-戶內(nèi)耐污型鋁導(dǎo)體穿墻套管，適用于3級(jí)污區(qū)。

System of 35 kV voltage, the current 630A, indoor and outdoor fouling resistance type aluminum conductor wear casing wall, suitable for level 3 polluted.
例type example： CWWL-35/630-1-G
系35kV電壓、630A電流、戶外-戶內(nèi)高原耐污型鋁導(dǎo)體穿墻套管，適用于1級(jí)污區(qū)。

35 kV voltage system, current 630A , indoor-outdoor plateau fouling resistance type aluminum conductor wall bushing, suitable for level 1 polluted area.
例type example： CWWB-35Q/630
系35kV電壓、630A電流、大爬距銅導(dǎo)體穿墻套管。

System of 35 kV voltage, the current 630 A, the high creepage distance copper conductor wall bushing.

六、穿墻套管技術(shù)參數(shù)Wall Bushing Technical parameters

七、特點(diǎn)及結(jié)構(gòu)簡(jiǎn)介 Characteristics and structure

套管由瓷套、安裝法蘭及導(dǎo)電部分裝配而成，母線穿墻套管不帶導(dǎo)電部分。瓷套與法蘭固定方式，除35kV高原型以及部分耐污型產(chǎn)品采用機(jī)械卡裝外，其余均用水泥膠合劑膠裝；銅質(zhì)電桿采用定心墊圈和螺母固定，銅、鋁導(dǎo)電排采用定心墊圈和開口銷固定。對(duì)母線穿墻套管所帶安裝用夾板，出廠時(shí)未加工開口尺寸，以便用戶根據(jù)實(shí)際選用的母線規(guī)格型式自行確定開口尺寸。瓷件表面一般上棕釉。安裝法蘭一般采用灰鑄鐵，但電流等級(jí)為1500A及以上產(chǎn)品的法蘭、端帽及定心墊圈采用硅鋁合金，以降低套管在*工作下的發(fā)熱溫度。各種黑色金屬附件表面涂灰磁漆。

Wall bushing by porcelain bushing, installation of flange and conductive parts assembled, bus wear casing wall without conductive parts. Porcelain jacket with flange fixed way, in addition to the 35 kv plateau type and some of the fouling resistance type product adopts mechanical card is installed outside, the rest are in cement cement binding; Copper pole adopts fixed centering washers and nuts, copper, aluminum conductive row by centering washers and splint fixation. On the bus wall casing with installation with plywood, unprocessed opening sizes in the factory, so that the user selected according to actual bus types to determine the opening size. Generally the brown glaze porcelain surface. Installation of flange generally USES the gray cast iron, but the current level of 1500 a and above products of the flange, end cap and centering washers use silicon aluminum alloy, to reduce the fever of casing under the long-term working temperature. All kinds of enamel coating ash black metal accessories.
　　為了提高套管的起始電暈，對(duì)20和35kV套管在結(jié)構(gòu)上采取均壓措施，將靠近法蘭部位的瓷套及兩邊的傘（棱）適當(dāng)加大、加厚，在瓷件焙燒前于瓷套內(nèi)腔和法蘭附近以及靠近法蘭的*個(gè)傘（棱）上均勻涂上一層半導(dǎo)體釉，經(jīng)焙燒后使半導(dǎo)體釉牢固地結(jié)合在瓷壁上，并通過接觸片使導(dǎo)體與瓷壁短路，這樣就大大改善了電場(chǎng)分布，防止套管內(nèi)腔發(fā)生放電，提高滑閃放電電壓。以往對(duì)20和30kV套管內(nèi)腔和法蘭處采用噴鋁層來改善電場(chǎng)分布，運(yùn)行證明鋁層易于剝落，往往不起作用，改用上半導(dǎo)體釉后克服了噴鋁的缺點(diǎn)。

In order to improve the casing starting corona, of 20 kv and 35 kv casing equalizing measures taken in the structure, porcelain sets that are close to the flange parts and the umbrella (edge) on both sides of the appropriate increase, thickening, in front of the porcelain roasting near a porcelain set inside cavity and flange and close to the flange of the first umbrella (edge) evenly coated with a layer of semiconductor glaze, after roasting make semiconductor glaze combined tightly in porcelain wall, and through the contact piece make short circuit conductor and porcelain wall, thus greatly improve the electric field distribution, prevent the casing cavity discharge, improve flash discharge voltage. Past of 20 kv and 30 kv casing cavity and flange adopt aluminum layer to improve the electric field distribution, the running proved flaky aluminum layer, often don't work, after the switch to on semiconductor glaze overcomes the drawback of aluminum.
　　套管導(dǎo)電部分，過去只采用銅導(dǎo)體。由于銅材價(jià)格較貴，同時(shí)電材部分亦普遍使用鋁導(dǎo)體，因此，通過試驗(yàn)研究發(fā)展了鋁導(dǎo)體產(chǎn)品系列。采用鋁導(dǎo)體后不但可節(jié)省大量銅材，還可節(jié)省需經(jīng)特別加工的銅鋁過渡端子，相應(yīng)降低了產(chǎn)品成本；從性能來說，由于鋁導(dǎo)體與母線連接的導(dǎo)電接觸面積比原有銅導(dǎo)桿大，克服了以往銅導(dǎo)桿接觸面積太小而產(chǎn)生溫升過高的缺點(diǎn)。我廠整個(gè)穿墻套管系列產(chǎn)品主要系鋁導(dǎo)體，手冊(cè)中仍保留3、10、35kV級(jí)400～1500A帶螺母的圓銅導(dǎo)電桿穿墻套管，供維修使用。供特需的2000A銅導(dǎo)體穿墻套管，我廠已發(fā)展四孔板抱緊式端子結(jié)構(gòu)，運(yùn)行可靠。 套管接線端子的尺寸規(guī)格符合GB5273《變壓器、高壓電器和套管的接線端子》 的規(guī)定，可保證互換。

Bushing conductive parts, use only copper conductor in the past. Due to the copper price is more expensive, at the same time, general electric material part also use aluminum conductor, therefore, through the experimental study on the development of the aluminum conductor products. It not only can save a lot of copper after the aluminum conductor, still can save subject to special processing of copper aluminum transfer terminal, reduces the product cost accordingly; From the performance, because the aluminum conductor connected to the busbar of conductive contact area is larger than the original copper rod, overcome the traditional copper rod contact area is too small and the disadvantage of high generation. I plant the whole wall casing series products are mainly aluminum conductor, manual remains level 3kv、10 kv、35 kv, 400 ~ 1500A nut round copper conductive rod wear casing wall, used for maintenance. For the special 2000 a copper conductor wear casing wall, our factory has developed four orifice hold type terminal structure, reliable operation. The size of bushing connection terminal in GB5273 "transformer, high voltage electrical and casing connection terminal, can guarantee the swap.

外形尺寸圖 Appearance and installation dimensions

CWWL-40.5/2500-4 Wall Bushing