IS 7098 Power Cable

www.siechem.com 44 Test Details Conventional PVC Cables as per IS:694/IS:1554 70°C XLPE (Chemical Curing) 90°C Unit Sl. No I) Field Test Soldering iron test: Hot Soldering iron shall be kept on the wire for mini- mum 1 minute The insulation melts or drip with dark smoke emmission Melts Reasonably The insulation shall not melt or drip and no smoke shall be emmitted The insulation shall not melt or drip and no smoke shall be emmitted 1.0 TABLE 2 COMPARATIVE STUDY OF EBXL - HFFR(XLPO), POWER CABLE Vs OTHERS Property General PVC 70°C FRLS PVC 70°C HFFR 90°C XLPE (Chemical Curing) 90°C Insulation resistance Min. at room temp. 13 1 x 10 -Cm Ω 10 1 x 10 -Cm Ω 10 1 x 10 -Cm Ω 14 1 x 10 -Cm Ω 15 >1 x 10 -Cm Ω 15 >1 x 10 -Cm Ω At operating temp. 9 1 x 10 -Cm Ω 9 1 x 10 -Cm Ω High voltage water immersion test after 6 hrs 6 kV 6 kV 6 kV 6 kV 6 kV 6 kV 5 minutes 5 minutes 5 minutes 5 minutes 5 minutes 5 minutes Time Period 5 to 6 5 to 6 3 to 4 3 3 3 Dielectric constant 125°C cables are impressive and show very high electrical integrity than PVC, FRLS, HFFR & XLPE 90°C . 9 1 x 10 -Cm Ω 12 1 x 10 -Cm Ω 12 >1 x 10 -Cm Ω 12 >1 x 10 -Cm Ω Tensile strength Min. 2 12.5 N/mm 12.5 N/mm 2 10.0 N/mm 2 12.5 N/mm 2 15.0 N/mm 2 10-15 N/mm 2 Elongation at break Min. 150% 150% >150% 200% 400% 150% - 500% Cold bend / impact test at -15°C -15°C -40°C -15°C -15°C -45°C Wind ability / bending radius 12 x cable dia. 12 x cable dia 9 x cable dia. 12 x cable dia. 12 x cable dia. 4 x cable dia. Density 1.45 g/cc 1.55 g/cc 1.4 g/cc 1.0 g/cc 1.0 g/cc 1.4 g/cc Cable diameter/ Weight More/Bulky More /Bulky More/Bulky Sleek & light weight Sleek & light weight Sleek & light weight Mechanical properties of EBXL 125°C cables are tougher & stronger than PVC, FRLS, HFFR &XLPE -90°C . MECHANICAL PROPERTIES ELECTRICAL PROPERTIES EBXL - XLPO 0 12 5 C EBXL - XLPE 0 12 5 C EBXL - XLPO 0 12 5 C EBXL - XLPE 0 12 5 C Wires & Cables EBXL XLPE LT POWER CABLES