1.Rated voltage:- 76/132 kV, 400 sqmm
2.Process specialty :-he conductor screen, insulation & insulation screen shall be extruded simultaneously in triple extrusion process using single (common) cross head employing Computerized Vulcanizing line with Dry Cure dry cool triple extrusion process Technology.
3. Reference standard:- Construction generally to IEC 60502-2 and Testing to IEC 60840.
4.Conductor:- Longitudinally watertight segmental stranded and compacted allumuinium, semiconductor
5.Conductor screen:- Extruded semi-conducting copolymer compound layer, Thickness of extruded layer: 0.8mm.
6.Insulation:- Cross-linked Polyethylene, Nominal thickness: 18.0mm .
7.Insulation Screen:- Extruded semi-conducting layer,Thickness of Extruded semiconducting layer: 0.8mm.
8.Longitudinal water barrier: Semiconducting water swell able tape (s) & foam tape.
9.Metallic screen and sheath:- seam welded Corrugated Aluminum sheath, Thickness (2.0 mm Nominal).
10.Outer Sheath:- Black, HDPE Type ST7 as per IEC 60840, Thickness – 4.0 mm Nominal, Conducting layer over outer sheath: bitumen compound,Overall diameter of cable-Approx: 93.5 mm
11.Electrical parameter:-
a.Highest voltage Um 145 KV
b.Max. conductor DC resistance at 20 Degree 0.0778
c.Max. conductor AC resistance at 90 Degree 0.101
d.Capacitance Nominal 0.165
e.Continuous rating of cable-Max temperature of conductor 90 d.Degree Single Circuit, Single End Bonded, TREFOIL formation
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