18/30kv MV Power Cables Single Cores Cables Standards
IEC 60502 Part 2(3.6/6KV to 18/30KV)
18/30kv MV Power Cables Single Cores Cables Application
The single core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 1.8/3KV to 26/35KV and frequency 50Hz. They are suitable for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power stations.
18/30kv MV Power Cables Single Cores Cables Construction
Conductor:Â Plain annealed copper or aluminium complying with IEC 60228 class 1 or 2.Â
Conductor Screen:Â The conductor screen consists of an extruded layer of non metallic, semi-conducting compound applied on top of a semi-conducting tape.
Insulation:Â XLPE
| Nom. Cross Section Area | Insulation Thickness at Nominal Voltage | |||||||
| 1.8/3KV | 3.6/6KV | 6/10KV | 8.7/15KV | 12/20KV | 18/30KV | 21/35KV | 26/35KV | |
| (Um=3.6KV) | (Um=7.2KV) | (Um=12KV) | (Um=17.5KV) | (Um=24KV) | (Um=36KV) | (Um=42KV) | (Um=42KV) | |
| mm2 | mm | mm | mm | mm | mm | mm | mm | mm |
| Â | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE |
| 10 | 2 | 2.5 | - | - | - | - | - | - |
| 16 | 2 | 2.5 | 3.4 | - | - | - | - | - |
| 25 | 2 | 2.5 | 3.4 | 4.5 | - | - | - | - |
| 35 | 2 | 2.5 | 3.4 | 4.5 | 5.5 | - | - | - |
| 50 - 185 | 2 | 2.5 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 240 | 2 | 2.6 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 300 | 2 | 2.8 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 400 | 2 | 3 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 500 - 1600Â | 2.2-2.8Â | 3.2 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
Inner Covering & Fillers: The inner covering and fillers are made of non hygroscopic material like polypropylene.
Separation Sheath (for armoured cable):Â The separation sheath comprises a layer of extruded PVC, PE or LSZH, applied under the armour .
Lapped Bedding : The lapped bedding consists of Polyester non woven fabrics .
Armour (for armoured cable):Â It consists of either flat galvanized steel wire armour (strip), round galvanized steel wire armour, and double steel tape armour.
Outer Sheath: PVC,PE,LSZH
Installation and operation condition of cable
Operating Temperature: up to 90°C
Short Circuit Temperature( 5 seconds maximum duration ): 250°C
Bending Radius: 12 x OD
Current Rating Conditions:
Ground Temperature: 20°C
Ambient Temperature (air): 30°C
Depth of Soil: 0.8m
Thermal Resistance of Soil: 1.5K•m/W
| Rated Voltage Uo/U | Operating Voltage (Um) | Testing Voltage  (rms) |
| 18/30KV | 36KV | 63KV Â |
18/30KV (Um=36KV) Power Cables Three Cores Cables to IEC 60502 Dimensional Data:
| Nom. Cross-Section Area |
Nom. Insulation Thickness |
Copper Tape Thickness | Copper Wire Screen Area*Â | Unarmoured Cables | Steel Wire Armoured Cables | ||||||||
| Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
Nom. Bedding Thickness |
Armour Wire Size | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
||||||
| CU | AL | CU | AL | ||||||||||
| mm2 | mm | mm | mm2 | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
| 50 | 8 | 0.1 | 16 | 3.2 | 65 | 4340 | 3460 | 1.8 | 3.15 | 3.5 | 75 | 8950 | 8080 |
| 70 | 8 | 0.1 | 16 | 3.3 | 70 | 5220 | 3930 | 1.9 | 3.15 | 3.6 | 80 | 10150 | 8860 |
| 95 | 8 | 0.1 | 16 | 3.4 | 74 | 6240 | 4440 | 1.9 | 3.15 | 3.7 | 84 | 11390 | 9590 |
| 120 | 8 | 0.1 | 16 | 3.5 | 77 | 7180 | 4910 | 2 | 3.5 | 3.8 | 89 | 13200 | 10860 |
| 150 | 8 | 0.1 | 25 | 3.6 | 80 | 8220 | 5420 | 2.1 | 3.5 | 4 | 92 | 14520 | 11720 |
| 185 | 8 | 0.1 | 25 | 3.7 | 84 | 9540 | 6040 | 2.1 | 4 | 4.1 | 97 | 17020 | 13510 |
| 240 | 8 | 0.1 | 25 | 3.9 | 91 | 11720 | 7110 | 2.2 | 4 | 4.3 | 104 | 19810 | 15200 |
| 300 | 8 | 0.1 | 25 | 4 | 95 | 13790 | 8000 | 2.3 | 4.5 | 4.5 | 108 | 23310 | 17470 |
| 400 | 8 | 0.1 | 35 | 4.3 | 103 | 16820 | 9430 | 2.4 | 4.5 | 4.7 | 117 | 27010 | 19620 |
| 500 | 8 | 0.1 | 35 | 4.5 | 110 | 21550 | 12880 | 2.5 | 4.5 | 4.9 | 124 | 31130 | 22610 |
Nominal screen area, as stated in the table, can be supplied as standard.
| Nom. Cross-Section Area |
Steel Flat Wire Armoured Cables | Double Steel Tape Armoured Cables | ||||||||||
| Nom. Bedding Thickness |
Armour Wire Size | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
Nom. Bedding Thickness |
No of Steel Tapes x Nom Tape Thickness | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
|||
| CU | AL | CU | AL | |||||||||
| mm2 | mm | mm | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
| 50 | 1.8 | 0.8 | 3.1 | 70.2 | 7490 | 6775 | 1.8 | 2x0.5 | 3.3 | 71.2 | 7300 | 6585 |
| 70 | 1.9 | 0.8 | 3.2 | 74 | 8590 | 7540 | 1.9 | 2x0.5 | 3.4 | 75 | 8390 | 7335 |
| 95 | 1.9 | 0.8 | 3.4 | 78.5 | 9990 | 8460 | 1.9 | 2x0.5 | 3.5 | 79.3 | 9740 | 8210 |
| 120 | 2 | 0.8 | 3.5 | 82.2 | 11250 | 9270 | 2 | 2x0.8 | 3.6 | 84.5 | 11845 | 9875 |
| 150 | 2.1 | 0.8 | 3.6 | 85.6 | 12510 | 10070 | 2.1 | 2x0.8 | 3.7 | 87.9 | 13120 | 10700 |
| 185 | 2.1 | 0.8 | 3.7 | 89.8 | 14155 | 11100 | 2.1 | 2x0.8 | 3.9 | 92.3 | 14850 | 11800 |
| 240 | 2.2 | 0.8 | 3.8 | 95.4 | 16740 | 12575 | 2.2 | 2x0.8 | 4 | 97.9 | 17480 | 13320 |
| 300 | 2.3 | 0.8 | 4 | 100.9 | 19310 | 14120 | 2.3 | 2x0.8 | 4.2 | 103.4 | 20080 | 14900 |
| 400 | 2.4 | 0.8 | 4.2 | 107.8 | 22840 | 16170 | 2.4 | 2x0.8 | 4.4 | 110.3 | 23660 | 17000 |
| 500 | 2.5 | 0.8 | 4.4 | 115.5 | 27200 | 18610 | 2.5 | 2x0.8 | 4.6 | 118 | 28080 | 19510 |
18/30KV (Um=36KV) Power Cables Three Cores Cables to IEC 60502 Electrical Data
| Nom. Cross- Section Area | D C Resistance CU / AL |
A C Resistance  CU / AL |
Short Circuit Rating of Conductor CU / AL (1 sec) |
Capaci tance | Charging Current | Short Circuit Rating of Copper Wire Screen Per Core(1 sec) | Short Circuit Rating of Copper Tape Screen Per Core(1 sec) | Reactance | Inductance |
| 50 | 387/641 | 494/822 | 6.8/4.4 | 142 | 0.85 | 2.6 | 1 | 134 | 430 |
| 70 | 268/443 | 343/568 | 9.8/6.3 | 159 | 0.95 | 2.6 | 1 | 127 | 400 |
| 95 | 193/320 | 248/410 | 13.3/8.5 | 175 | 1.05 | 2.6 | 1.1 | 121 | 390 |
| 120 | 153/253 | 196/325 | 17.2/11.0 | 189 | 1.13 | 2.6 | 1.1 | 117 | 370 |
| 150 | 124/206 | 159/265 | 21.2/13.5 | 201 | 1.21 | 4.3 | 1.2 | 113 | 360 |
| 185 | 99.1/164 | 128/211 | 26.6/17.0 | 217 | 1.3 | 4.3 | 1.2 | 109 | 350 |
| 240 | 75.4/125 | 98/161 | 34.9/22.3 | 237 | 1.42 | 4.3 | 1.3 | 104 | 330 |
| 300 | 60.1/100 | 80/130 | 43.8/28.0 | 258 | 1.55 | 4.3 | 1.4 | 101 | 320 |
| 400 | 47.0/77.8 | 64/102 | 57.3/36.6 | 282 | 1.69 | 5.8 | 1.5 | 96 | 290 |
| 500 | 36.6/60.5 | 51/81 | 72.3/46.2 | 302 | 1.79 | 5.8 | 1.6 | 78 | 250 |
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18/30kv MV Power Cables Single Cores Cables Standards
IEC 60502 Part 2(3.6/6KV to 18/30KV)
18/30kv MV Power Cables Single Cores Cables Application
The single core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 1.8/3KV to 26/35KV and frequency 50Hz. They are suitable for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power stations.
18/30kv MV Power Cables Single Cores Cables Construction
Conductor:Â Plain annealed copper or aluminium complying with IEC 60228 class 1 or 2.Â
Conductor Screen:Â The conductor screen consists of an extruded layer of non metallic, semi-conducting compound applied on top of a semi-conducting tape.
Insulation:Â XLPE
| Nom. Cross Section Area | Insulation Thickness at Nominal Voltage | |||||||
| 1.8/3KV | 3.6/6KV | 6/10KV | 8.7/15KV | 12/20KV | 18/30KV | 21/35KV | 26/35KV | |
| (Um=3.6KV) | (Um=7.2KV) | (Um=12KV) | (Um=17.5KV) | (Um=24KV) | (Um=36KV) | (Um=42KV) | (Um=42KV) | |
| mm2 | mm | mm | mm | mm | mm | mm | mm | mm |
| Â | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE | XLPE |
| 10 | 2 | 2.5 | - | - | - | - | - | - |
| 16 | 2 | 2.5 | 3.4 | - | - | - | - | - |
| 25 | 2 | 2.5 | 3.4 | 4.5 | - | - | - | - |
| 35 | 2 | 2.5 | 3.4 | 4.5 | 5.5 | - | - | - |
| 50 - 185 | 2 | 2.5 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 240 | 2 | 2.6 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 300 | 2 | 2.8 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 400 | 2 | 3 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
| 500 - 1600Â | 2.2-2.8Â | 3.2 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
Inner Covering & Fillers: The inner covering and fillers are made of non hygroscopic material like polypropylene.
Separation Sheath (for armoured cable):Â The separation sheath comprises a layer of extruded PVC, PE or LSZH, applied under the armour .
Lapped Bedding : The lapped bedding consists of Polyester non woven fabrics .
Armour (for armoured cable):Â It consists of either flat galvanized steel wire armour (strip), round galvanized steel wire armour, and double steel tape armour.
Outer Sheath: PVC,PE,LSZH
Installation and operation condition of cable
Operating Temperature: up to 90°C
Short Circuit Temperature( 5 seconds maximum duration ): 250°C
Bending Radius: 12 x OD
Current Rating Conditions:
Ground Temperature: 20°C
Ambient Temperature (air): 30°C
Depth of Soil: 0.8m
Thermal Resistance of Soil: 1.5K•m/W
| Rated Voltage Uo/U | Operating Voltage (Um) | Testing Voltage  (rms) |
| 18/30KV | 36KV | 63KV Â |
18/30KV (Um=36KV) Power Cables Three Cores Cables to IEC 60502 Dimensional Data:
| Nom. Cross-Section Area |
Nom. Insulation Thickness |
Copper Tape Thickness | Copper Wire Screen Area*Â | Unarmoured Cables | Steel Wire Armoured Cables | ||||||||
| Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
Nom. Bedding Thickness |
Armour Wire Size | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
||||||
| CU | AL | CU | AL | ||||||||||
| mm2 | mm | mm | mm2 | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
| 50 | 8 | 0.1 | 16 | 3.2 | 65 | 4340 | 3460 | 1.8 | 3.15 | 3.5 | 75 | 8950 | 8080 |
| 70 | 8 | 0.1 | 16 | 3.3 | 70 | 5220 | 3930 | 1.9 | 3.15 | 3.6 | 80 | 10150 | 8860 |
| 95 | 8 | 0.1 | 16 | 3.4 | 74 | 6240 | 4440 | 1.9 | 3.15 | 3.7 | 84 | 11390 | 9590 |
| 120 | 8 | 0.1 | 16 | 3.5 | 77 | 7180 | 4910 | 2 | 3.5 | 3.8 | 89 | 13200 | 10860 |
| 150 | 8 | 0.1 | 25 | 3.6 | 80 | 8220 | 5420 | 2.1 | 3.5 | 4 | 92 | 14520 | 11720 |
| 185 | 8 | 0.1 | 25 | 3.7 | 84 | 9540 | 6040 | 2.1 | 4 | 4.1 | 97 | 17020 | 13510 |
| 240 | 8 | 0.1 | 25 | 3.9 | 91 | 11720 | 7110 | 2.2 | 4 | 4.3 | 104 | 19810 | 15200 |
| 300 | 8 | 0.1 | 25 | 4 | 95 | 13790 | 8000 | 2.3 | 4.5 | 4.5 | 108 | 23310 | 17470 |
| 400 | 8 | 0.1 | 35 | 4.3 | 103 | 16820 | 9430 | 2.4 | 4.5 | 4.7 | 117 | 27010 | 19620 |
| 500 | 8 | 0.1 | 35 | 4.5 | 110 | 21550 | 12880 | 2.5 | 4.5 | 4.9 | 124 | 31130 | 22610 |
Nominal screen area, as stated in the table, can be supplied as standard.
| Nom. Cross-Section Area |
Steel Flat Wire Armoured Cables | Double Steel Tape Armoured Cables | ||||||||||
| Nom. Bedding Thickness |
Armour Wire Size | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
Nom. Bedding Thickness |
No of Steel Tapes x Nom Tape Thickness | Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight |
|||
| CU | AL | CU | AL | |||||||||
| mm2 | mm | mm | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
| 50 | 1.8 | 0.8 | 3.1 | 70.2 | 7490 | 6775 | 1.8 | 2x0.5 | 3.3 | 71.2 | 7300 | 6585 |
| 70 | 1.9 | 0.8 | 3.2 | 74 | 8590 | 7540 | 1.9 | 2x0.5 | 3.4 | 75 | 8390 | 7335 |
| 95 | 1.9 | 0.8 | 3.4 | 78.5 | 9990 | 8460 | 1.9 | 2x0.5 | 3.5 | 79.3 | 9740 | 8210 |
| 120 | 2 | 0.8 | 3.5 | 82.2 | 11250 | 9270 | 2 | 2x0.8 | 3.6 | 84.5 | 11845 | 9875 |
| 150 | 2.1 | 0.8 | 3.6 | 85.6 | 12510 | 10070 | 2.1 | 2x0.8 | 3.7 | 87.9 | 13120 | 10700 |
| 185 | 2.1 | 0.8 | 3.7 | 89.8 | 14155 | 11100 | 2.1 | 2x0.8 | 3.9 | 92.3 | 14850 | 11800 |
| 240 | 2.2 | 0.8 | 3.8 | 95.4 | 16740 | 12575 | 2.2 | 2x0.8 | 4 | 97.9 | 17480 | 13320 |
| 300 | 2.3 | 0.8 | 4 | 100.9 | 19310 | 14120 | 2.3 | 2x0.8 | 4.2 | 103.4 | 20080 | 14900 |
| 400 | 2.4 | 0.8 | 4.2 | 107.8 | 22840 | 16170 | 2.4 | 2x0.8 | 4.4 | 110.3 | 23660 | 17000 |
| 500 | 2.5 | 0.8 | 4.4 | 115.5 | 27200 | 18610 | 2.5 | 2x0.8 | 4.6 | 118 | 28080 | 19510 |
18/30KV (Um=36KV) Power Cables Three Cores Cables to IEC 60502 Electrical Data
| Nom. Cross- Section Area | D C Resistance CU / AL |
A C Resistance  CU / AL |
Short Circuit Rating of Conductor CU / AL (1 sec) |
Capaci tance | Charging Current | Short Circuit Rating of Copper Wire Screen Per Core(1 sec) | Short Circuit Rating of Copper Tape Screen Per Core(1 sec) | Reactance | Inductance |
| 50 | 387/641 | 494/822 | 6.8/4.4 | 142 | 0.85 | 2.6 | 1 | 134 | 430 |
| 70 | 268/443 | 343/568 | 9.8/6.3 | 159 | 0.95 | 2.6 | 1 | 127 | 400 |
| 95 | 193/320 | 248/410 | 13.3/8.5 | 175 | 1.05 | 2.6 | 1.1 | 121 | 390 |
| 120 | 153/253 | 196/325 | 17.2/11.0 | 189 | 1.13 | 2.6 | 1.1 | 117 | 370 |
| 150 | 124/206 | 159/265 | 21.2/13.5 | 201 | 1.21 | 4.3 | 1.2 | 113 | 360 |
| 185 | 99.1/164 | 128/211 | 26.6/17.0 | 217 | 1.3 | 4.3 | 1.2 | 109 | 350 |
| 240 | 75.4/125 | 98/161 | 34.9/22.3 | 237 | 1.42 | 4.3 | 1.3 | 104 | 330 |
| 300 | 60.1/100 | 80/130 | 43.8/28.0 | 258 | 1.55 | 4.3 | 1.4 | 101 | 320 |
| 400 | 47.0/77.8 | 64/102 | 57.3/36.6 | 282 | 1.69 | 5.8 | 1.5 | 96 | 290 |
| 500 | 36.6/60.5 | 51/81 | 72.3/46.2 | 302 | 1.79 | 5.8 | 1.6 | 78 | 250 |
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