產(chǎn)品特點及用途
Characteristics and Uses
本產(chǎn)品適用于交流額定電壓35kV及以下動力裝置及電力線路中傳輸電能用，交聯(lián)聚乙烯絕
Applicable to situations with the rated voltage 35kV(orlower)or for the power supply. XLPE
緣電力電纜具有卓越的機械性能，優(yōu)異的電氣性能和耐化學腐蝕性能，它還具有電纜重量輕，
insulated power cable possesses an outstanding thermo-mechanical property, excellent electrical
運輸敷設方便，不受落差限制等優(yōu)點，因此廣泛用于冶金、電力、石化工礦企業(yè)和城市電網(wǎng)
an anti-corrosion properties. not restricted for heght difference. Thus it is widely used in metal
建設。
refining,electric power,petro-chem industries and nrban network construction.
產(chǎn)品執(zhí)行標準
Manufacturing Standard:
GB/T 12706-2002等效采用IEC502標準，阻燃特性試驗執(zhí)行IEC332-3標準
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 |
交聯(lián)聚乙烯絕緣 XLPE insulation |
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額定電壓 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 |
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導體最高工作溫度 Max working temperature |
90℃ |
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短路溫度（持續(xù)最長5s） Short-circuit temperature(Lasting no longer than 5s) |
≤250℃ |
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敷設時環(huán)境溫度 Ambient temperature for laying |
≥0℃時（低于0℃需預熱） ≥0℃（Preheated when lower than 0℃） |
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敷設時允許彎曲半徑 Allowed bending ra-dius |
單芯電纜 Single-core |
不小于電纜外徑20倍≥20times the outer diameter of the cable |
|
多芯電纜 Multi core |
不小于電纜外徑15倍≥15times the outer diameter of the cable |
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阻燃特性 Flameproof property |
符合GB/T 18380.3規(guī)定的成束燃燒試驗 Conforming to GB/T 18380.3 |
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基本型號及名稱 Modles and names
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型號 |
產(chǎn)品名稱 Name |
|
YJV |
銅芯交聯(lián)聚乙烯絕緣聚氯乙烯護套電力電纜 copper-core XLPE insulated,PVC sheathed power cable |
|
YJVD |
銅芯交聯(lián)聚乙烯絕緣聚氯乙烯護套低煙無鹵阻燃電力電纜 Copper-core XLPE insulated,PVC sheathed,Low-smoke lowhalogen flame-retardent power cable |
|
YJE |
銅芯交聯(lián)聚乙烯絕緣聚烯烴護套低煙無鹵阻燃電力電纜 Copper-core XLPE insulated,PVC sheathed,Low-smoke&halogen-free flame-retardent power cable |
|
YJV22 |
銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜 Copper-core XLPE insulated,PVC sheathed,steel tape armored cable |
|
YJV23 |
銅芯交聯(lián)聚乙烯絕緣鋼帶鎧裝聚乙烯護套電力電纜 Copper-core XLPE insulated,PE sheathed steel tape armored power cable |
|
YJV32 |
銅芯交聯(lián)聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜 Copper-core XLPE insulated,PVC sheathed,thin steel wire armored power cable |
|
YJV33 |
銅芯交聯(lián)聚乙烯絕緣細鋼絲鎧裝聚乙烯護套電力電纜 Copper-core XLPE insulated,PE sheathed,thin steel wire armored power cable |
代號名稱和含義 Codes and meanings
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代號 code |
代號含義 meaning |
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- |
非阻燃 Non-flameproof |
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ZR |
阻燃（分A、B、C三級）flameproof:A、B、C |
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絕緣 insulation |
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YJ |
交聯(lián)聚乙烯 XLPE |
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護套 sheath |
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|
E |
低煙無鹵阻燃聚烯烴 Low smoke and halogen-free flameproof polyolefin(PO) |
|
V |
聚氯乙烯 PVC |
|
VD |
低煙無鹵阻燃聚氯乙烯 Low smoke and low-halogen fireproof PVC |
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鎧裝 armor |
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2 |
雙鋼帶鎧裝 double steel tape armor |
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3 |
細鋼絲鎧裝 thin steel wire armor |
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4 |
粗鋼絲鎧裝 thick steel wire armor |
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外護套 Outer-Protection Layer |
2 聚氯乙烯 PVC |
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3 聚乙烯 PE |
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主要技術指標（例行試驗）
Main technological indexes
1.20℃時導體直流電阻符合GB/T3956規(guī)定。
20℃D.C conductor resistance complies with stipulations of GB/T3956.
2.工頻電壓試驗：U0為1.8kV及以下電纜：2.5 U0+2kV/5min絕緣不擊穿；U0為3.6kV以上電纜：3.5 U0/5min絕緣不擊穿。
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.局部放電試驗U0為3.6kV及以上電纜，1.73U0局部放電量不大于10pC。
Local discharge test:For U0 ≥3.6kV cable discharge volume ≤10pC(under1.73 U0)
