電纜型號 Type and Description
型號 Type |
名稱 Description
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適用范圍 Application
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YJV YJLV
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銅芯（鋁芯）交聯聚乙烯絕緣聚氯乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated and PVC sheathed cable
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敷設在室內，隧道及管道中，不能承受機械外力
For laying indoors,in tunnel or pipe,unable to bear external mechanical force
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YJY YJLY
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銅芯（鋁芯）交聯聚乙烯絕緣聚乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated and PE sheathed cable
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YJV22 YJLV22
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銅芯（鋁芯）交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated,steel tape armored and PVC sheathed cable
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室內，隧道，電纜溝內，或埋地敷設等，能承受一定的機械外力，但不能承受大的拉力
For laying indoors,in tunnel,cable trench,or direct in ground,can bear external mechanical force ,while unable to bear large tension
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YJV23 YJLV23
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銅芯（鋁芯）交聯聚乙烯絕緣鋼帶鎧裝聚乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated,steel tape armored and PE sheathed cable
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YJV32 YJV42 YJLV32 YJLV42
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銅芯（鋁芯）交聯聚乙烯絕緣細(粗)鋼絲鎧裝聚氯乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated,thin（thick） steel wire armored and PVC sheathed cable
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敷設在高落差地區，能承受一定的機械外力和一定的拉力 For laying in high drop area ,can bear external mechanical force and certain tension
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YJV33 YJV43 YJLV33 YJLV43
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銅芯（鋁芯）交聯聚乙烯絕緣細（粗）鋼絲鎧裝聚乙烯護套電力電纜
Copper(aluminum)conductor,XLPE insulated,thin(thick) steel wire armored and PE sheathed cable
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產品標準 Standard of Product
本產品按GB/T 12706-2008《額定電壓1KV（Um=1.2KV） 到35Kv(Um=40.6KV)擠包絕緣電力電纜及附件》標準生產，同時還可根據用戶需要按國際電工委員會推薦IEC標準、英國標準、德國標準及美國標準生產。
The product is manufactured according to the standards of GB/T 12706-2008。At the same time ,it can also be manufactured according to IEC, BS, DIN and AEIC upon request.
適用范圍 Application
本產品適用于工頻額定電壓0.6/1kV及以下配電網或工業裝置中固定敷設之用。
The product is suitable for power distribution lines or fixed installation with rated power- frequency voltage up to and including 0.6/1kV.
使用特性 Operating Characteristics
工頻額定Uo/U為0.6/1kV。
Rated power-frequency voltage Uo/U is 0.6/1kV.
電纜導體允許長期最高工作溫度為90℃。
Max. permissible continuous operating temperature of conductor is 90℃.
短路時（最長持續時間不超過5s）電纜導體的最高溫度不超過250℃。
Max. temperature of conductor during short circuit (5s maximum duration ) shall not exceed 250℃.
電纜敷設時環境溫度應不低于0℃。
The ambient temperature under installation should not below 0℃.
電纜彎曲半徑：單芯電纜不小于電纜外徑20倍；三芯電纜不小于電纜外徑15倍。
The bending radius of a single-core cable: not less than 20 times of cable’s OD
The bending radius of a three-core cable: not less than 15 times of cable’s.OD
電纜敷設運行條件 Installation operating condition of cable
* 在空氣中的敷設 In Air
1.單芯電纜平行敷設時中心距離：185mm2及以下為電纜直徑的2倍；240mm2及以上為90mm。
If the single-core cables are paralleled laid , the distance between the cable center is 2 times diameter of the cable for cross-section of conductor≤185 mm2 and 90mm for cross-section of conductor ≥240 mm2.
周圍環境空氣溫度：40℃
Ambient air temperature: 40℃
導體的長期允許最高工作溫度：90℃
Max. continuous operating temperature of conductor:90℃
不同環境溫度下的載流量修正系數：
Correction factor of current rating under different air temperature:
Ambient temperature |
20℃
|
25℃
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30℃
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35℃
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40℃
|
45℃
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50℃
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55℃
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Correction factor
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1.23
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1.17
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1.12
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1.06
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1.00
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0.94
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0.87
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0.81
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* 直埋敷設 Direct in the ground
單芯電纜不接觸敷設時電纜中心距離為電纜直徑的2倍。
If he single-core cables are installed separately , the distance between the cable’s center is 2 times diameter of the cable.
土壤溫度：25℃
Soil temperature: 25℃
導體的長期允許最高工作溫度： 90℃
Max. continuous operating temperature of conductor: 90℃
4. 土壤熱阻系數：1.0k.m/w ]
Soil thermal resistivity:1.0k.m/w
5. 直埋深度：0.7m
Depth of laying : 0.7 m.
不同土壤溫度下的載流量修正系數：
Correction factor of current rating under different soil temperature:
Soil temperature |
10℃
|
15℃
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20℃
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25℃
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30℃
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35℃
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Correction factor
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1.11
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1.07
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1.04
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1.00
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0.96
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0.92
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電纜結構圖示例Structure Diagram of Cable
