Standard Technical Specifications for Electrical Works CABLES AND ACCESSORIES ( Data Sheets ) 11 kv XLPE-Insulated Three-Core Underground Cables (3x240 mm 2 ) ADWEA/ADDC/AADC STANDARD : D-AAA-CAB-11-3Cx240 (Rev.0-2015) Page 1 of 11
Table of Content Page 1.00 GENERAL 3 2.00 CONSTRUCTION DATA 3 3.00 ELECTRICAL DATA 6 4.00 OTHER DATA 9 5.00 DRUM DETAILS 10 6.00 SUPPORTING DOCUMENTS 11 Page 2 of 11
1.00 GENERAL 1.01 Manufacturer 1.01.1 name El Sewedy Cables 1.01.2 country of manufacturer Egypt 1.02 Manufacturer quality system 1.02.1 applicable standards ISO 9001 1.02.1.1 certified by (Company Name) BASEC 1.02.1.2 validity till (year) 4th of November 2017 1.03 Applicable standard(s) for the Cable IEC 60502-2 60502-2 60332-2 Cat A 60332-2 Cat A 1.04 Type test 1.04.1 carried out yes/no yes Yes 1.04.2 date dd-mm-yy 25/4-27/7 2007 1.04.3 testing station 1.04.3.1 name KEMA 1.04.3.2 country Netherlands 2.00 CONSTRUCTION DATA 2.01 Conductor 2.01.1 applicable standards IEC 60228 / 60502-2 60228 / 60502-2 2.01.2 type compacted round, Compact round stranded Stranded 2.01.3 material annealed copper wires Annealed Copper Wires 2.01.4 minimum cross-section (electrical) mm 2 240 2.01.5 longitudinal water stopper material in conductor 2.01.5.1 water blocking tape between each yes Yes layer of wires? 2.01.6 approximate diameter mm 18.2 2.02 Conductor screen Page 3 of 11
2.02.1 material extruded semi- Extruded Semiconducting compound conducting compound 2.02.2 minimum thickness mm 0.7 0.7 2.02.3 thermal resistivity C.m/W 3.5 2.02.4 volume resistivity of conductor screen Ωm at 90 o C 1000 (max) 2.02.5 allowable protrusion in conductor screen at µm 175 conductor screen & insulation interface 2.02.6 approximate diameter mm 19.8 2.03 Insulation 2.03.1 material tree-retardant XLPE tree-retardant XLPE 2.03.2 minimum thickness mm 3.4 3.4 2.03.3 maximum thickness mm 3.7 3.7 2.03.4 thermal resistivity C.m/W 3.5 2.03.5 allowable protrusion in insulation at µm 75 insulation and insulation screen interface 2.03.6 allowable protrusion in insulation at µm 75 conductor screen and insulation interface 2.03.7 approximate diameter mm 26.6 2.04 Insulation screen (non-metallic) 2.04.1 material strippable extruded Strippable extruded semi-conducting semi-conducting compound compund 2.04.2 minimum thickness mm 0.7 0.7 2.04.3 thermal resistivity C.m/W 3.5 2.04.4 volume resistivity of insulation screen Ωm at 90 o C 500 (max) 2.04.5 allowable protrusion in insulation screen at µm 125 insulation and insulation screen interface 2.04.6 approximate diameter mm 28 2.05 Extrusion method of conductor screen, Triple extrusion insulation and insulation screen 2.05.1 simultaneously yes/no yes Yes 2.06 Method of curing (gas/silicone/silane/long die, etc.) gas Gas Page 4 of 11
2.07 Method of cooling (water/nitrogen, etc.) Water/Dry 2.08 Insulation screen (metallic) 2.08.1 material annealed cooper tapes annealed copper tapes 2.08.2 number of layers No. 1 1 2.08.3 nominal thickness mm 0.075 0.075 2.08.4 volume resistivity of metallic screen Ωm at 90 o C 1.724 e -8 at 20 C 2.08.5 approximate diameter mm 28.3 2.09 Interstitial conductor 2.09.1 applicable standards IEC 60228 60228 2.09.2 number of cores 3 3 2.09.3 material copper copper 2.09.4 minimum cross section mm 2 40 40 2.09.5 volume resistivity of interstitial conductor Ωm at 90 o C 1.724 e -8 at 20 C material 2.10 Fillers 2.10.1 material polypropylene yarn polypropylene Filler 2.11 Binder 2.11.1 material polyester tape polyester tape 2.11.2 thickness mm 0.05 approx 2.11.3 approximate diameter mm 61.4 2.12 Inner sheath 2.12.1 applicable standards IEC 60502-2 60502-2 2.12.2 material PVC ST 2 PVC - ST 2 2.12.3 nominal thickness (according to IEC 60502-2) mm 1.8 2.12.4 minimum thickness (according to IEC 60502-2) mm 1.24 2.12.5 thermal resistivity C.m/W 5 2.12.6 approximate diameter mm 64.4 2.13 Armouring 2.13.1 type galvanised galvanized steel tape steel tape Page 5 of 11
2.13.2 number of steel tapes 2 2 2.13.2.1 nominal thickness mm 0.5 0.5 2.13.2.2 width mm 75 2.13.3 cross section mm 2 132.8 2.13.4 approximate diameter mm 66.4 2.14 Outer sheath 2.14.1 applicable standards IEC 60502-2 60502-2 2.14.2 material PVC ST 2 PVC - ST2 2.14.3 nominal thickness (according to IEC 60502-2) mm 3.3 2.14.4 minimum thickness (according to IEC 60502-2) mm 2.44 2.14.5 sulphide resistant yes/no yes yes 2.14.6 chloride paraffin free yes/no yes Yes 2.14.7 fire retardant according IEC 332-2 Cat A yes/no yes Yes 2.14.8 thermal resistivity C.m/W 5 2.14.9 color red red 2.14.10 length marking at every meter interval yes/no yes yes 2.14.11 text embossed as specified yes/no yes yes 2.15 Cable overall diameter (approx.) mm 72.2 2.16 Nominal weights 2.16.1 cable with armouring kg/m 11.610 2.16.2 steel kg/m 1.036 (-/+) 2% 2.16.3 copper kg/m 7.387 (-/+) 2% 3.00 ELECTRICAL DATA 3.01 Rated voltage (Uo/U) kv 6.35 / 11 6.35 / 11 phase + interstitial 3.02 Highest system voltage (Umax) kv 12 12 3.03 Frequency H z 50 50 3.04 Standard switching impulse withstand kv peak N/A N/A voltage (peak value) 3.05 Impulse withstand voltage (+90 C) kv peak 75 75 Page 6 of 11
3.06 Power frequency withstand test voltage (4 x Uo) kv/4hrs 25 25 3.07 Maximum partial discharge at 1.73 U 0 3.07.1 Routine Test pc 3 3 3.07.2 Type Test pc 3 3 3.08 Dielectric stress at power frequency voltage 3.08.1 at insulation screen kv/mm 1.62 3.08.2 at conductor screen kv/mm 2.17 3.09 Maximum current carrying capacity (at Uo) for the following conditions, L.F.=1: 3.09.1 in ground: soil temperature=40 C, depth=1.1m, T.R.= 1.5 m.k/w 3.09.1.1 1 cable A 365 3.09.1.2 2 cables, d=15cm A 295 3.09.1.3 3 cables, d=15cm A 255 3.09.1.4 4 cables, d=15cm A 235 3.09.2 in concrete cable trench/cable room: air= 50 0 C 3.09.2.1 1 cable on tray/racks A 445 3.09.2.2 2 to 3 cables on tray/racks A 445 3.09.2.3 4 to 5 cables on tray/racks A 445 3.10 Maximum emergency current rating at 60% A 610 at 60% load and 80% pre-load to IEC 60853 (for 4 hrs) 555 at 80% load 3.11 Copper loss at full load condition per cable W/m/phase 13.1 3.12 Maximum dielectric loss per cable at normal W/m/phase Neglected voltage, normal frequency and maximum conductor temperature 3.13 Metallic screen loss (including interstitial W/m/phase 0 conductors) of cable per metre at nominal voltage, normal frequency at half load and full load conditions per cable 3.14 Maximum loss of steel tape armour per metre at W/m/phase neglected normal operating conditions and at maximum conductor temperature Page 7 of 11
3.15 Total losses of cable per metre at normal W/m/phase 40 operating conditions and at maximum conductor temperature 3.16 Permissible symmetrical fault current in conductor 3.16.1 for 1.0 s duration ka 34.32 3.16.2 for 0.5 s duration ka 4 48.5 3.16.3 maximum conductor short circuit temperature C 250 3.17 Asymmetrical fault current in metallic screen 3.17.1 for 1.0 s duration ka 17.67 3.17.2 for 0.5 s duration ka ** 25 3.17.3 maximum metallic screen short circuit C 200 200 temperature (0.5 second) 3.18 Minimum asymmetrical fault current in interstitial copper conductor 3.18.1 for 1.0 s duration ka 17.67 3.18.2 for 0.5 s duration ka 25 ** 25 3.18.3 maximum interstitial copper conductor short C 200 circuit temperature (0.5 second) ** metallic screen and interstitial copper conductor bonded 3.19 Screening factor (ground current/total earth N/A fault current at earth faults) 3.20 Maximum permissible continuous conductor C 90 90 temperature 3.21 Maximum permissible temperature of outer sheath 3.21.1 at normal operation C 90 3.21.2 at emergency operation, refer to below C 105 3.21.3 at short circuit C 200 3.22 Maximum permissible conductor temperature for C 105 105 117% of max. transmission capacity, prevailing maximum 100 hrs/year and 500 hrs in total (emergency overload) 3.23 Duration at which the cable can be sustained at hour 4 maximum conductor temperature under emergency situation Page 8 of 11
3.24 Maximum permissible short-circuit temperature 3.24.1 for welded/pressed conductor connections C 250 250 3.24.2 appropriate duration s 5 3.25 Maximum DC conductor resistance at 20 C mω/km 75.40 (five-digit accuracy) 3.26 Maximum AC conductor resistance at 90 C mω/km 98.526 (five-digit accuracy) 3.27 Maximum DC metallic sheath resistance at 20 C Ω/km 1.147 for copper tape 3.28 Minimum insulation resistance at 20 C GΩ.km As Per IEC 60502-2 3.29 Maximum d.c. resistance of steel tape armour µω/m 1114 per metre of cable at 20 C 3.30 Loss current to earth at three-phase system ma/km 938.5 (at 90 C and Uo) 3.31 Maximum working capacitance under full load µf/km 0.47 condition 3.32 Working inductance 3.32.1 for the conductors mh/km 0.285 3.32.2 for metallic sheath mh/km 0.14 3.33 Relative permitivity of XLPE insulation 3.33.1 at 20 C (maximum) 2.5 3.33.2 at 90 C (maximum) 2.5 3.34 Maximum value of dielectric loss angle of cable x 10-3 4 at nominal voltage, 50 H z and at conductor temperature of 20 o C 3.35 Dissipation factor at 90 C conductor temperature 3.35.1 at 0.5 x Uo(max) x 10-3 according to clause 3.35.2 at 1.0 x Uo(max) x 10-3 20.4 in BS 6622 the 3.35.3 at 2.0 x Uo(max) x 10-3 Max. increase is 20 e -4 3.36 Maximum charging current at Uo per conductor A/km 0.938 3.37 Charging capacity of three-phase system (at Uo) kvar/km 17.87 3.38 Relative permitivity of outer covering 3.39 Approximate surge impedance µω/m 24.62 3.40 Positive phase sequence impedance (R+jX) per µω/m 98.53 + j 89.5 metre of three phase circuit at 90 C Page 9 of 11
3.41 Zero phase sequence impedance (R+jX) per µω/m 1774 + j 56 metre of three phase circuit at 90 C 3.42 Max. electrostatic capacitance per core per pf/m 470 meter of cable 4.00 OTHER DATA 4.01 Date of first commercial operation of the dd-mm-yy 1997 offered cable type 4.02 Reference list/sheet attached yes/no yes Yes 4.03 The design life of the offered cable type years 30 4.04 Guarantee failure rate as a result of an internal breakdown (No. of failure per 100 km circuit per year) 4.05 Minimum permissible bending radius D 4.05.1 in ducts m 1.1 4.05.2 laid direct or in air m 1.1 4.05.3 adjacent to joints or terminals m 1.1 4.06 Maximum permissible pulling force kn 20 4.07 Maximum permissible sidewall pressure to cable at bending point kn/m 18.182 4.08 Delivery length per drum 4.08.1 standard length m 600 600 4.08.2 maximum length m 612 612 4.08.3 minimum length m 600 600 4.08.4 tolerance on length of cable % +2 +2 4.09 Recommended size of cable duct mm 110 inner Diameter 5.00 DRUM DETAILS 5.01 Manufacturer 5.01.1 name EL SEWEDY CABLES 5.01.2 country of manufacture EGYPT 5.02 Material Page 10 of 11
5.02.1 wooden yes/no no no 5.02.2 steel with screwed lagging (returnable) yes/no yes yes 5.02.2.1 lagging material wooden slabs Wooden Slabs 5.03 Overall dimensions 5.03.1 flange diameter (max.) mm 2370 5.03.2 core diameter mm 1050 5.03.3 width (max.) mm 1700 5.04 Minimum spindle hole diameter mm 80 5.05 Weights 5.05.1 maximum gross weight of a full drum kg 7650 5.05.2 empty drum kg 695 6.00 SUPPORTING DOCUMENTS 6.01 Whether all type test reports enclosed yes/no yes yes 6.02 Whether technical literature enclosed yes/no yes yes 6.03 Whether tables giving rating factors for variation yes/no yes yes in standard conditions of installation enclosed 6.04 Whether relevant drawings enclosed yes/no yes yes Page 11 of 11