Wind power cable CPE sheathing compound
This product is produced according to national standard TICW/01-2009 flexible and torsion-resistant cables of rated voltages up to and including 1.8/3KV for wind turbine and can adapt to special working environment of wind power station for features such as excellent flame retardance, low temperature resistance, low smoke, good shock resistance and irradiation resistance. It is mainly used in ethylene-propylene insulated flexible CPE single-core sheathed cables for wind power generation of AC rated voltages up to and including 12/20kv.| No. | Item | Unit | HJF | ||
| Requirements | Measured value | ||||
| 1 | Tensile strength | MPa | ≥10 | 12.5 | |
| Elongation at break | % | ≥300 | 360 | ||
| 2 | Air oven aging test 70±2℃×10 d | ||||
| Tensile strength change rate | % | ±20 | 8 | ||
| Elongation at break | % | ≥250 | 320 | ||
| Change rate of elongation at break | % | ±20 | -9 | ||
| 3 | Oil resistance test (ASTM 2# oil) 100±2℃×24 h | ||||
| Tensile strength change rate | % | ±40 | -5 | ||
| Change rate of elongation at break | % | ±40 | -10 | ||
| 4 | Thermal extension test 200±2℃×15 min×0.2MPa | ||||
| Elongation under load | % | ≤175 | 35 | ||
| Permanent deformation after cooling | % | ≤25 | 6 | ||
| 5 | Brittle temperature | ℃ | ≤-36 | -40 | |
| Llow-temperature bend test -35±2℃×16 h | No cracks | No cracks | |||
| 6 | Deflection test | Ten thousand times | - | 30 No cracks | |