Application: | Industrial, Power Station |
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Voltage: | Low and Medium Voltage Cable |
Current: | DC & AC |
8.7/15kv Power Cables Three 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.
8.7/15kv Power Cables Three Cores Cables Construction
Conductors: Aluminium or copper conductors Plain annealed copper or aluminium class 2. complying with IEC 60228
Conductor Screen: extruded layer of semi-conducting crosslinkable compound
Insulation: XLPE
Insulation Screen: semi-conducting crosslinkable compound
Metallic Screen: copper tape or copper wire with helical cope tape screen
Separation Sheath: non-hygroscopic PVC or PP Tape.
Inner Sheath (Bedding) for Armoured Cables: Extruded layer of PVC or PE
Armour: Galvanized steel wire, Galvanized steel tape, Copper Tape, Aluminium wire, Aluminium Tape
Over Sheath: PVC, PE, HDPE, MDPE or LSZH
Rated Voltage Uo/U | Operating Voltage (Um) | Testing Voltage (rms) |
8.7/15KV | 17.5KV | 30.5KV |
Nom. Cross-Section Area |
Nom. Insulation Thickness |
Copper Tape Thickness | Copper Wire Screen Area* | 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 |
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CU | AL | CU | AL | ||||||||||
mm2 | mm | mm | mm2 | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
25 | 4.5 | 0.1 | 16 | 2.4 | 44 | 2100 | 1620 | 1.4 | 2.5 | 2.7 | 52 | 4560 | 4080 |
35 | 4.5 | 0.1 | 16 | 2.5 | 46 | 2510 | 1840 | 1.4 | 2.5 | 2.7 | 54 | 5080 | 4410 |
50 | 4.5 | 0.1 | 16 | 2.6 | 49 | 2980 | 2080 | 1.5 | 2.5 | 2.9 | 57 | 5740 | 4840 |
70 | 4.5 | 0.1 | 16 | 2.7 | 53 | 3760 | 2470 | 1.6 | 2.5 | 3 | 62 | 6770 | 5480 |
95 | 4.5 | 0.1 | 16 | 2.8 | 57 | 4700 | 2900 | 1.6 | 2.5 | 3.1 | 65 | 7890 | 6100 |
120 | 4.5 | 0.1 | 16 | 3 | 60 | 5590 | 3320 | 1.7 | 2.5 | 3.2 | 69 | 8970 | 6700 |
150 | 4.5 | 0.1 | 25 | 3.1 | 64 | 6560 | 3760 | 1.8 | 3.15 | 3.4 | 74 | 11030 | 8220 |
185 | 4.5 | 0.1 | 25 | 3.2 | 67 | 7800 | 4300 | 1.8 | 3.15 | 3.5 | 78 | 12490 | 8980 |
240 | 4.5 | 0.1 | 25 | 3.4 | 74 | 9820 | 5220 | 1.9 | 3.15 | 3.7 | 84 | 15040 | 10440 |
300 | 4.5 | 0.1 | 25 | 3.5 | 79 | 11800 | 6010 | 2 | 3.5 | 3.8 | 90 | 17920 | 12130 |
400 | 4.5 | 0.1 | 35 | 3.7 | 86 | 14620 | 7240 | 2.1 | 3.5 | 4.1 | 98 | 21360 | 13970 |
500 | 4.5 | 0.1 | 35 | 3.8 | 93 | 18160 | 9355 | 2.2 | 3.5 | 4.3 | 106 | 26490 | 17830 |
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 |
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CU | AL | CU | AL | |||||||||
mm2 | mm | mm | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
25 | 1.4 | 0.8 | 2.4 | 48 | 3915 | 3495 | 1.4 | 2x0.5 | 2.5 | 48.8 | 3770 | 3345 |
35 | 1.4 | 0.8 | 2.5 | 50.8 | 4510 | 3890 | 1.4 | 2x0.5 | 2.6 | 51.6 | 4350 | 3735 |
50 | 1.5 | 0.8 | 2.6 | 53.3 | 5020 | 4270 | 1.5 | 2x0.5 | 2.7 | 54.1 | 4855 | 4105 |
70 | 1.6 | 0.8 | 2.7 | 57 | 5990 | 4870 | 1.6 | 2x0.5 | 2.8 | 57.8 | 5815 | 4690 |
95 | 1.6 | 0.8 | 2.8 | 61.2 | 7170 | 5600 | 1.6 | 2x0.5 | 3 | 62.2 | 7010 | 5435 |
120 | 1.7 | 0.8 | 2.9 | 65.1 | 8340 | 6320 | 1.7 | 2x0.5 | 3.1 | 66.1 | 8170 | 6145 |
150 | 1.8 | 0.8 | 3 | 68.3 | 9440 | 6955 | 1.8 | 2x0.5 | 3.2 | 69.3 | 9260 | 6770 |
185 | 1.8 | 0.8 | 3.2 | 72.8 | 10990 | 7880 | 1.8 | 2x0.5 | 3.3 | 73.6 | 10760 | 7650 |
240 | 1.9 | 0.8 | 3.3 | 78.3 | 13370 | 9155 | 1.9 | 2x0.5 | 3.4 | 79.1 | 13120 | 8900 |
300 | 2 | 0.8 | 3.5 | 83.7 | 15760 | 10460 | 2 | 2x0.8 | 3.6 | 86 | 16360 | 11070 |
400 | 2.1 | 0.8 | 3.7 | 90.5 | 19050 | 12260 | 2.1 | 2x0.8 | 3.9 | 93 | 19750 | 12960 |
500 | 2.2 | 0.8 | 3.9 | 98.2 | 23160 | 14430 | 2.2 | 2x0.8 | 4.1 | 100.7 | 23900 | 15190 |
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 |
mm² | μΩ/m | μΩ/m | kA | pF/m | mA/m | kA | kA | μΩ/m | μΩ/m |
25 | 727/1200 | 927/1538 | 3.6/2.3 | 176 | 0.48 | 2.6 | 0.6 | 132 | 410 |
35 | 524/868 | 668/1113 | 5.0/3.2 | 193 | 0.53 | 2.6 | 0.6 | 123 | 390 |
50 | 387/641 | 494/822 | 6.8/4.4 | 211 | 0.58 | 2.6 | 0.7 | 116 | 370 |
70 | 268/443 | 343/568 | 9.8/6.3 | 240 | 0.65 | 2.6 | 0.7 | 110 | 350 |
95 | 193/320 | 248/410 | 13.3/8.5 | 267 | 0.73 | 2.6 | 0.8 | 105 | 330 |
120 | 153/253 | 196/325 | 17.2/11.0 | 291 | 0.79 | 2.6 | 0.8 | 102 | 320 |
150 | 124/206 | 159/265 | 21.2/13.5 | 312 | 0.85 | 4.3 | 0.9 | 98 | 310 |
185 | 99.1/164 | 128/211 | 26.6/17.0 | 340 | 0.93 | 4.3 | 0.9 | 95 | 300 |
240 | 75.4/125 | 98/161 | 34.9/22.3 | 375 | 1.02 | 4.3 | 1 | 91 | 290 |
300 | 60.1/100 | 80/130 | 43.8/28.0 | 411 | 1.12 | 4.3 | 1.1 | 89 | 280 |
400 | 47.0/77.8 | 64/102 | 57.3/36.6 | 454 | 1.24 | 5.8 | 1.2 | 84 | 270 |