二、電纜參數Technical parameters
1、電纜外徑O.D. of Cable:8.0±0.16mm
2、內鎧外徑O.D. of Inner armor:5.6±0.4mm
3、導體直流電阻Conductor D.C. Resistance:≤15Ω/km 20℃
4、絕緣 電阻Insulation Resistance:≥200Ω/km 20℃
5、高溫絕緣電阻Insulation Resistance of high temperature:≥5MΩ·km 200℃
6、交流耐壓試驗Pressure A.C. Resistance Test:1000V 50Hz 5min
7、電 容Capacitance:≤0.19μF/km 800~1000Hz
8、電纜耐溫等級Rated temperature level:-50~232℃
9、破 坏 力Cable breaking strength:≥45kN
10、工作張力Working tension:建議s ested<25kN
11、最小工作滑輪Minimum Sheave Diameter:450mm
12、彈性伸長係數Stretch coefficient:≤1.35m/km/5kN
13、殘餘伸長率Residual Elongation:≤0.2%
14、電纜重量Weight of cables:295kg/km
15、電纜長度:電纜的交貨長度在3000~10000米之間,長度偏差-2﹪~3﹪之間,經雙方同意也允許以任意長度的電纜交貨。
The length of cable delivery is between 3000 meters and 8000 meters(between 9843ft and 26248ft) per reel,the length tolerance is between 2% and 3%。The length of cables can be as per customers’ requirements.