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架空絕緣電纜

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更新時間:2024-10-11 10:49:42瀏覽次數:46次

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經營模式:生產廠家

商鋪產品:61條

所在地區:江蘇揚州市

聯系人:錢女士 (銷售)

產品簡介

架空絕緣電纜Aerialinsulatedcables一、適用范圍本產品適用于額定電壓1-35kV架空電力線路輸配電系統

詳細介紹

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架空絕緣電纜Aerialinsulated cables


一、適用范圍

本產品適用于額定電壓1-35kV架空電力線路輸配電系統。

Range ofapplication

The products can be applied in the transmission and distributtem ofaerial power lines with rated voltage from 1kV to 35kV


二、執行標準

額定電壓1kV及以下架空絕緣電纜GB 12527-2008。

額定電壓10kV架空絕緣電纜GB 14049-2008。

額定電壓 1kV鋼芯鋁絞線芯架空絕緣電纜-企業標準。

額定電壓35kV及以下架空絕緣電纜-企業標準。

Executive standard

Aerial insulated cables for rated voltage up to and including 1kVconform to GB12527-2008

Aerial insulated cables with rated voltage of 10kV conform to GB14049-2008.

Aluminum conductor steel-reinforced aerial insulated cables withrated voltage of 1 kV comply with -The enterprise standard.

Aerial insulated cables for rated voltage up to and including 35kVcomply with -The enterprise standard.


三、型號及名稱

Type and descrition

型號 Types

名稱 Descriptions敷設方式 Laying methods

JKV、JKLV、

JKLHV、

JKY、JKLY、

JKLHY、JKYJ、

JYLYJ、JKLHYJ、JKYJB

銅、鋁芯聚氯乙烯絕緣架空電纜 

Cu./Al. core PVC insulated aerial cable

鋁合金芯聚氯乙烯絕緣架空電纜 

A-alloy core PVC insulated ae rial cable

銅、鋁芯聚乙烯絕緣架空電纜

Cu./Al. core polythene insulated ae rial cable

鋁合金芯聚乙烯絕緣架空電纜 

A-alloy core polythene insulated ae rial cable

銅、鋁芯交聯聚乙烯絕緣架空電纜

Cu./Al core XLPE insulated ae rial cable

鋁合金芯交聯聚乙烯絕緣架空電纜 

A-alloy core XLPE insulated ae rial cable

銅芯交聯聚乙烯絕緣平行進戶線 

Cu. core XLPE insulated parallel house lead in

架空固定敷設引戶線等Aerial fixed laying outgoing line etc

JKYJ、JKLYJ、

JKTRYJ、

JKLHYJ、JKY、

JKLY、JKTRY、

JKLHY、JKGYJ、

JKLGYJ

銅、鋁交聯聚乙烯絕緣架空電纜 

Cu./Al.core XLPE insulated aerial cable

軟銅芯交聯聚乙烯絕緣架空電纜 

Flexible Cu.core XLPE insulated aerial cable

鋁合金芯交聯聚乙烯絕緣架空電纜 

A-alloy core XLPE insulated aerial cable

銅、鋁芯聚乙烯絕緣架空電纜

Cu./Al.core polythene insulated aerial cable

軟銅芯聚乙烯絕緣架空電纜 

Flexible Cu. core polythene insulated aerial cable

鋁合金芯聚乙烯絕緣架空電纜 

A-alloy core polythene insulated aerial cable

鋼芯銅絞線交聯聚乙烯絕緣架空電纜 

Cu.conductor steel-reinforced XLPE insulated aerial cable

鋼芯鋁絞線交聯聚乙烯絕緣架空電纜 

Alconductor steel-reinforced XLPE insulated aerial cable

架空固定敷設、軟銅芯產品用于變壓器引下線。電纜架空時,應考慮電纜和樹木保持一定距離;電纜運行時,允許電纜和樹木頻繁接觸。鋼芯型架空電纜用于山區,河流跨越敷設。

Aerial fixed laying flexible Cu core products a re used asdownleads of transformers. While laying aerial cables ,shall keep cables a certain distance from trees , du ringthe operation of cables, frequent contacts betweencables and trees are permitted. Steel core aerial cablesare used for crossing laying of valleys and rivers.

JKLYJ/B、

JKLHYJ/B

鋁芯本色交聯聚乙烯絕緣架空電纜 

Al.core original color XLPE insulated aeria cable

鋁合金本色交聯聚乙烯絕緣架空電纜 

A-alloy original color XLPEinsulated aeria cable

架空固定敷設、電纜架設時,應考慮電纜和樹木保持一定距離:電纜運行時,允許電纜和樹木頻繁接觸。

While laying and fixing aerial cables,shall keep cables acertain distance from trees , during the operation of cables, frequent conta cts between cables and trees arepermitted.

JKLYJ/Q、

JKLHYJ/Q、

JKLY/Q、

JKLHY/Q

鋁芯輕型交聯聚乙烯薄絕緣架空電纜 

Al. core light-duty thin XLPE insulated aerial cable

鋁合金芯輕型交聯聚乙烯薄絕緣架空電纜 

A-alloy core light-duty thin XLPE insulated aerial cable

鋁芯輕型聚乙烯薄絕緣架空電纜 

Al.core light-duty thin polythene insulated aerial cable

鋁合金芯輕型聚乙烯薄絕緣架空電纜 

A-alloy core light-duty thin polythene insulated aerial cable

架空固定敷設、電纜架設時,應考慮和樹木保持一定距離:電纜運行時,允許電纜和樹木短時接觸。

While laying and fixing aerial cables , shall keep cables acertain distance from trees, du ring the operation ofcables, short-fime contacts between cables and treesare permitted


四、使用特性

1.額定電壓分別為1kV、10kV、20kV、35 kV2.電纜敷設溫度應不低于-20

3.短路時(最長持續時間不超過5S)電纜的允許**溫度:

交聯聚乙烯絕緣250

高密度聚乙烯絕緣150

聚氯乙烯絕緣160

4.電纜導體的**長期允許工作溫度:

聚氯乙烯絕緣不超過70℃

聚乙烯絕緣應不超過70

交聯聚乙烯絕緣應不超過90

5.電纜的允許彎曲半徑:

單芯電纜應不小于電纜外徑的15倍

多芯電纜應不小于電纜外徑的10倍

Operating characteristics

1.Rated voltage: U=1kV,10kV,20kV and 35kV.

2.Temperature of cable laying should not be lower than-20

3.Max.temperature of cable in short-cifcuit (Max.duration lessthan5s):

For XLPEinsulation:250CFor HDPEinsulation:150CFor PVCinsulation:160

4.Max.long-term operation temperature ofconductors:For PVC insulation:≤70

For polythene in Sulation:s70

For XLPEinsulation:≤90

5.Allowable bendlng radius:

For single cofe cables> 15 times of outer diamerer

For multi-core cables>10 times ofouter diameter


五、生產范圍 Scope of production

image.png


注,1、其中K為承載絞線,按工程設計要求,可任選表中規定截面與相應導體截面相匹配。如桿塔跨距更大采用外加承載索時。該承載索不包括在電纜結構內,

2、其中(A)表示鋼承絞線, (B)為鋁合金承載絞線

3、也可根據用戶需要生產制造鋼芯架空絕緣電纜。

Note: 1. Krefers to bearing strand, it can choose any arranged section of table with corresponding conductor, lf span ofpoles is longer and addtional bearing track rope is adopted, the track rope isntincluded in the cable structure.

2,(A)refer to steel bearing strand,(B)refer to A-allov bearing strand.

3,Besides, we can produce steel core aerial insulated cables according to the requirements of customers


六、主要技術指標

1.電纜的工作溫度

額定電壓1kV架空絕緣電纜,聚氯乙烯、聚乙烯絕緣應不超過70℃,交聯聚乙烯絕緣應不超過90;額定電壓10kV、35kV架空絕緣電纜,交聯聚乙烯絕緣不超過90,高密度聚乙烯絕緣不超過75

2.電纜的導體電阻和拉斷力見下表。

3.電纜的絕緣電阻

額定電壓1 kV架空絕緣電纜絕緣電阻見施加下表,10 kV、35 kV無絕緣屏蔽的成品電纜浸入水中不少于1h,施加80-500V直流電壓,穩定時間應不小于1min,且不大于5min。額定電壓10kV電纜的絕緣電阻應不小于1500MΩ·km,輕型薄絕緣結構電纜的絕緣電阻應不小于1000MΩk m。額定電壓35kV電纜的絕緣

電阻應不小于4100MΩ·km。

4.電纜的交流電壓試驗

額定電壓1kV絕架空緣電纜二芯以上應經受3500V、1min電壓試驗。單芯電纜浸在室溫水(附加電極)中1h后進行應不擊穿。額定電壓10kV架空絕緣電纜在室溫下,浸水1h后施加電壓,普通絕緣結構為18kV,輕型薄絕緣結構為12kV,35kV為63kV。試驗時間為1min,電纜應不擊穿。

5.局部放電試驗

有絕緣屏蔽的10kV電纜,應進行局部放電試驗,試驗在浸于水中的成盤電纜上進行,在電纜上施加交流電壓9kV,電纜的放電量應不大于20pC。

Maintechnicalindex

1.Operatillg temperatureFor aerial insulated cables with rated voltage of 1 kV,the operating tempof PVC and polythene insulated ones should not exceed 70C and XLPEinsulated ones should not exceed 90C . For aerial insulated cables withrated voltage of 10kV and 35kV,the operating temp. of XLPE insulatedones should not exceed 90℃,and HDPE insulated ones should notexceed 75.

2.Resistance and tension force of cables refer to following table

3.Insulation resistance of cables

4.Insulation resistance of aerial insulated cables with rated voltage of 1kVrefer to following table . For finished cables with rated voltage of 10kVand 35kV without instllatio screen . if immersed in water for less than 1h.and impose a DC voltage from 80V to 500V the stable time shall be betwe-en 1 to 5 mins. For cables with rated voltage of 10kV.tile insulation resistance shall be not less than 1 500MΩ· km. for light-duty thill insulated cables. the insulation resistance shall be not less than 1 000MΩ· km, for thecables with rated voltage of 35kV the insulation resistance shall be notless than 4100MΩ· km.

5. Partial discharge testPartial discharge test shall be done on 10kV insulated screened cables.The test is carried out on a drumined cable which is immersed into waterand AC voltage of 9kV is imposed, and tile discharge of cable should notexceed 20pC.


image.png



image.png


七、載流量Current-carrying capacity

不同環境溫度下載流量修正系數

Corre ction coeficie nt ofcurrent-carrying capa city at different ambient temperatures

image.png

image.png


八、使用要求

1、電纜敷設時,環境溫度不應低于-20°C,低于-20°C敷設時電纜必須預先加熱。

2、電纜敷設時,額定電壓1kV架空絕緣電纜彎曲半徑應不小于電纜外徑的10倍,10 kV、20kV、35kV架空絕緣電纜應不小于外徑的15倍。

3、電纜的架設方法,與裸架空線同樣,仍需固定在橫擔的絕緣子上,但距離可以適當減小。

4、電纜應與專門設計的架空絕緣電纜金具配套使用。

5、在敷設施工和存放過程中,應注意電纜端頭的密封,防上電纜進水,降低其性能。

6、電纜長期運行溫度(即電纜導電線芯長期允許工作溫度)交聯聚乙烯絕緣應不超過90°C,高密度聚乙烯絕緣不超過75°C;聚乙烯、聚氯乙烯絕緣應不超過70°C;短路時交聯聚乙烯絕緣不超過250°C;高密度聚乙烯、聚乙烯、聚氯乙烯絕緣應不超過150°C,最長持續時間不超過5秒。

Operating requirements

1.Cables shall be laid at a temp. highel than. 20°C.Iftemp. is lower1than-20°C,cables shall be ple-heated beforelaying.

2.When the cables are being laid. the belldillg radlLIS of aeriali11SUlated cables with rated voltage 0f 1kV shall not be less than 10times of outer diameter of cables and the ones of aerial insulatedcables with a rated voltage of 1 0kV, 20kV and 35kV shall not beless thall 15 times of outer diametel of cables.

3.Setting methods of cables are the Same with the one of bare wiresthat is to fix it on a crossing insulator and yet the distance can beeduced property.

4.Cables shall be applied in conjunction with exclusively-designedaerialinsulated cables fittiings.

5.During the laying and storage of cables,please ensure the tight-ness of cable ends in case water goes into cables and affects itsProperty.

6.The long-term operating temp(allowable long-term operatingtemp.of conductor)for XLPEinulated cables shall not exceed90°C.and shall not for exceed 75°C for HDPE insulated cables,for polythene and PVC insulated cables. it shall not exceed 70°C in a short- circuit. with max. duration within 5s,the temp. of XLPEinsulated cables shall not exceed 250C,and for HDPE,polytheneand PVC,it shall not exceed 150°C



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