产品特点及用途
Characteristics and Uses
本产品适用于交流额定电压35kV及以下动力装置及电力线路中传输电能用，交联聚乙烯绝
Applicable to situations with the rated voltage 35kV(orlower)or for the power supply. XLPE
缘电力电缆具有卓越的机械性能，优异的电气性能和耐化学腐蚀性能，它还具有电缆重量轻，
insulated power cable possesses an outstanding thermo-mechanical property, excellent electrical
运输敷设方便，不受落差限制等优点，因此广泛用于冶金、电力、石化工矿企业和城市电网
an anti-corrosion properties. not restricted for heght difference. Thus it is widely used in metal
建设。
refining,electric power,petro-chem industries and nrban network construction.
产品执行标准
Manufacturing Standard:
GB/T 12706-2002等效采用IEC502标准，阻燃特性试验执行IEC332-3标准
GB/T 12706-2002 or equally IEC502 flamproof tests arexecuted accoding to IEC332-3
使用特性 Service Property
|
使用特性 Service Property |
交联聚乙烯绝缘 XLPE insulation |
|
|
额定电压 kV Rated voltage kV |
0.6/1、1.8/3、3.6/6、6/6、6/10、8.7/10、8.7/15、12/20、21/35、26/35 |
|
|
导体最高工作温度 Max working temperature |
90℃ |
|
|
短路温度（持续最长5s） Short-circuit temperature(Lasting no longer than 5s) |
≤250℃ |
|
|
敷设时环境温度 Ambient temperature for laying |
≥0℃时（低于0℃需预热） ≥0℃（Preheated when lower than 0℃） |
|
|
敷设时允许弯曲半径 Allowed bending ra-dius |
单芯电缆 Single-core |
不小于电缆外径20倍≥20times the outer diameter of the cable |
|
多芯电缆 Multi core |
不小于电缆外径15倍≥15times the outer diameter of the cable |
|
|
阻燃特性 Flameproof property |
符合GB/T 18380.3规定的成束燃烧试验 Conforming to GB/T 18380.3 |
|
基本型号及名称 Modles and names
|
型号 |
产品名称 Name |
|
YJV |
铜芯交联聚乙烯绝缘聚氯乙烯护套电力电缆 copper-core XLPE insulated,PVC sheathed power cable |
|
YJVD |
铜芯交联聚乙烯绝缘聚氯乙烯护套低烟无卤阻燃电力电缆 Copper-core XLPE insulated,PVC sheathed,Low-smoke lowhalogen flame-retardent power cable |
|
YJE |
铜芯交联聚乙烯绝缘聚烯烃护套低烟无卤阻燃电力电缆 Copper-core XLPE insulated,PVC sheathed,Low-smoke&halogen-free flame-retardent power cable |
|
YJV22 |
铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Copper-core XLPE insulated,PVC sheathed,steel tape armored cable |
|
YJV23 |
铜芯交联聚乙烯绝缘钢带铠装聚乙烯护套电力电缆 Copper-core XLPE insulated,PE sheathed steel tape armored power cable |
|
YJV32 |
铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 Copper-core XLPE insulated,PVC sheathed,thin steel wire armored power cable |
|
YJV33 |
铜芯交联聚乙烯绝缘细钢丝铠装聚乙烯护套电力电缆 Copper-core XLPE insulated,PE sheathed,thin steel wire armored power cable |
代号名称和含义 Codes and meanings
|
代号 code |
代号含义 meaning |
|
- |
非阻燃 Non-flameproof |
|
ZR |
阻燃（分A、B、C三级）flameproof:A、B、C |
|
绝缘 insulation |
|
|
YJ |
交联聚乙烯 XLPE |
|
护套 sheath |
|
|
E |
低烟无卤阻燃聚烯烃 Low smoke and halogen-free flameproof polyolefin(PO) |
|
V |
聚氯乙烯 PVC |
|
VD |
低烟无卤阻燃聚氯乙烯 Low smoke and low-halogen fireproof PVC |
|
铠装 armor |
|
|
2 |
双钢带铠装 double steel tape armor |
|
3 |
细钢丝铠装 thin steel wire armor |
|
4 |
粗钢丝铠装 thick steel wire armor |
|
外护套 Outer-Protection Layer |
2 聚氯乙烯 PVC |
|
3 聚乙烯 PE |
|
主要技术指标（例行试验）
Main technological indexes
1.20℃时导体直流电阻符合GB/T3956规定。
20℃D.C conductor resistance complies with stipulations of GB/T3956.
2.工频电压试验：U0为1.8kV及以下电缆：2.5 U0+2kV/5min绝缘不击穿；U0为3.6kV以上电缆：3.5 U0/5min绝缘不击穿。
operating frequency voltage test:2.5 U0 +2kV/5min without puncture for 1.8kV(or lower)cables;3.5 U0 /kV5min without puncturefor≥3.6kV cables.
3.局部放电试验U0为3.6kV及以上电缆，1.73U0局部放电量不大于10pC。
Local discharge test:For U0 ≥3.6kV cable discharge volume ≤10pC(under1.73 U0)
