Wind Energy

Insulation resistance: 1.0 Volume resistivity at 27°C Ohm cm 1 X 10 9 1 X 10 14 >1 X 10 14 >1 X 10 14 2.0 Volume resistivity at 125°C Ohm cm Fails Fails >1 X 10 12 >1 X 10 12 3.0 Insulation resistance at 27°C Mohm km 36.7 >500 >500 >500 4.0 Insulation resistance at 125°C Mohm km at 90°C (fails) > 50 >50 1.0 High Voltage Test after ageing of complete cable : 1.1 Ageing temp. °C 80 135 160 158 1.2 Duration 168 hrs ( 7 days ) 168 hrs ( 7 days ) 168 hrs ( 7 days ) 168 hrs ( 7 days ) 2.0 Test voltage kV 3 kV for 5 minutes 3 kV for 5 minutes 6 kV for 5 minutes 6 kV for 5 minutes 3.0 Withstand test at room temperature 3kV for 5 min 3kV for 5 min 6 kV for 5 min 6 kV for 5 min 4.0 Break down voltage Min. kV <10 <10 18 18 5.0 Spark test kV As per IS:694 test voltage As per IS:694 test voltage 25% higher than IS:694 test voltage 25% higher than IS:694 test voltage Test Details Conventional PVC Cables as per IS:694/IS:1554 70°C XLPE (Chemical Curing) 90°C Unit Sl. No at 90°C (fails) 1.0 Smoke density (ASTM D 2843)Max. % >80 NA NA 10 2.0 Toxicity index (NES 713) % >25 >10 >10 <5 3.0 Oxygen Index % 29 >29 >29 >30 4.0 Acid gas emmission (IEC 754 P-1) % >25 (fails) NA Nil Nil 5.0 Temperature index (ASTM D 2863)Min. °C 160 (fails) 250 280 280 6.0 Sweedish Chimney test Pass NA Excellent Excellent 6.1 Flammability as per IEC 60332-1 6.1.1 Length of unaffected portion from lower edge of top clamp mm <50 300 300 >350 <60 <60 <20 <20 F) Electrical Properties H) Fire Retardent Properities EBXL - XLPO 0 12 5 C EBXL - XLPE 0 12 5 C 85 All information given are in good faith.Siechem's liability is only to replace the defective portion of cables provided the same is mutually established as manufacturing defects within the guarantee period as agreed in writing and Siechem shall not be liable for any compensation or damages. Siechem reserves the right to revise any of the above specifications without prior intimation. Subject to Chennai Jurisdiction. Wires & Cables