8.7/15kv Medium Voltage XLPE Power Cables Single Core Copper Cables
8.7/15kv Medium Voltage XLPE Power Cables Single Core Copper Cables image
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8.7/15kv MV Power Cables Single Core Cables Standards
IEC 60502 Part 2(3.6/6KV to 18/30KV)
8.7/15kv MV Power Cables Single Core 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 MV Power Cables Single Core Cables Construction
Conductor: Plain annealed copper or aluminium complying with IEC 60228 class 1 or 2.
Conductor Screen: extruded layer of semi-conducting crosslink compound
Insulation: 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 |
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 – 1600 | 2.2-2.8 | 3.2 | 3.4 | 4.5 | 5.5 | 8 | 9.3 | 10.5 |
Insulaton Screen: extruded layer of semi-conducting crosslink compound
Metallic Screen:Double copper tape or copper wires with helical copper tape.
Separation Sheath (for armoured cable): PVC, PE or LSZH
Lapped Bedding : The lapped bedding consists of Polyester non woven fabrics .
Armour (for armoured cable): round galvanized steel wire or tape.
Outer Sheath: PVC, PE or LSZH Outer sheath
Installation and operation condition of cable
Operating Temperature: up to 70°C (PVC insulation); up to 90°C (XLPE or EPR insulation)
Short Circuit Temperature( 5 seconds maximum duration ): 140-160°C (PVC insulation);
250°C (XLPE)
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) |
8.7/15KV | 17.5KV | 30.5KV |
8.7/15KV (Um=12KV) Power Cables Single Core Cables Dimensional Data
Nom.Cross-Section Area | Unarmoured Cables | Steel Wire Armoured Cables | ||||||||||
Nom.Insulation Thickness | Copper Tape Thickness | Copper Wire Screen Area* | 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 | ||||||||||
mm2 | mm | mm | mm2 | mm | mm | kg/km | mm | mm | mm | mm | kg/km | |
25 | 4.5 | 0.1 | 16 | 1.8 | 22 | 640 | 480 | 1.2 | 1.6 | 1.8 | 28 | 1020 |
35 | 4.5 | 0.1 | 16 | 1.8 | 23 | 760 | 540 | 1.2 | 1.6 | 1.9 | 29 | 1170 |
50 | 4.5 | 0.1 | 16 | 1.8 | 24 | 900 | 610 | 1.2 | 1.6 | 1.9 | 30 | 1340 |
70 | 4.5 | 0.1 | 16 | 1.8 | 26 | 1140 | 710 | 1.2 | 1.6 | 2 | 32 | 1610 |
95 | 4.5 | 0.1 | 16 | 1.8 | 27 | 1420 | 830 | 1.2 | 2 | 2.1 | 35 | 2020 |
120 | 4.5 | 0.1 | 16 | 1.9 | 29 | 1700 | 950 | 1.2 | 2 | 2.1 | 36 | 2310 |
150 | 4.5 | 0.1 | 25 | 1.9 | 31 | 1990 | 1070 | 1.2 | 2 | 2.2 | 38 | 2660 |
185 | 4.5 | 0.1 | 25 | 2 | 32 | 2380 | 1230 | 1.2 | 2 | 2.2 | 39 | 3070 |
240 | 4.5 | 0.1 | 25 | 2.1 | 35 | 3010 | 1490 | 1.2 | 2 | 2.3 | 42 | 3750 |
300 | 4.5 | 0.1 | 25 | 2.1 | 37 | 3620 | 1720 | 1.3 | 2.5 | 2.4 | 46 | 4590 |
400 | 4.5 | 0.1 | 35 | 2.2 | 41 | 4490 | 2070 | 1.3 | 2.5 | 2.5 | 49 | 5550 |
500 | 4.5 | 0.1 | 35 | 2.3 | 43 | 5460 | 2460 | 1.3 | 2.5 | 2.6 | 52 | 6590 |
630 | 4.5 | 0.1 | 35 | 2.4 | 48 | 6790 | 2590 | 1.4 | 2.5 | 2.7 | 57 | 8060 |
800 | 4.5 | 0.1 | 50 | 2.6 | 52 | 8420 | 3570 | 1.5 | 2.5 | 2.8 | 61 | 9800 |
1000 | 4.5 | 0.1 | 50 | 2.7 | 55 | 10330 | 4180 | 1.6 | 2.5 | 3 | 65 | 10850 |
8.7/15KV (Um=12KV) Power Cables Single Core Cables 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) |
Capacitance | Charging Current | Short Circuit Rating of Copper Wire Screen (1 sec) |
Short Circuit Rating of Copper Tape Screen (1 sec) |
Reactance | Inductance | Impedance | |||||
Trefoil | Flat | Trefoil | Flat | Trefoil | Flat Spaced | ||||||||||
Spaced | Spaced | cu | AL | cu | AL | ||||||||||
mm2 | µΩ/m | µΩm | kA | pF/m | mA/m | kA | kA | µΩ/m | nH/m | µΩ/ m | µΩ/ m | ||||
25 | 727/1200 | 927/1538 | 3.6/2.3 | 171 | 0.47 | 2.6 | 0.6 | 150 | 210 | 480 | 680 | 936 | 1544 | 952 | 1554 |
35 | 524/868 | 668/1113 | 5.0/3.2 | 187 | 0.51 | 2.6 | 0.6 | 141 | 207 | 460 | 660 | 679 | 1121 | 695 | 1131 |
50 | 387/641 | 494/822 | 6.8/4.4 | 204 | 0.57 | 2.6 | 0.7 | 138 | 195 | 440 | 640 | 511 | 834 | 527 | 844 |
70 | 268/443 | 343/568 | 9.8/6.3 | 232 | 0.63 | 2.6 | 0.7 | 132 | 188 | 420 | 600 | 364 | 583 | 386 | 597 |
95 | 193/320 | 248/410 | 13.3/8.5 | 258 | 0.71 | 2.6 | 0.8 | 126 | 182 | 400 | 580 | 272 | 427 | 300 | 446 |
120 | 153/253 | 196/325 | 17.2/11.0 | 281 | 0.74 | 2.6 | 0.8 | 119 | 179 | 380 | 570 | 225 | 345 | 257 | 367 |
150 | 124/206 | 159/265 | 21.2/13.5 | 301 | 0.79 | 4.3 | 0.9 | 113 | 176 | 360 | 560 | 193 | 287 | 229 | 313 |
185 | 99.1/164 | 128/211 | 26.6/17.0 | 329 | 0.87 | 4.3 | 0.9 | 110 | 170 | 350 | 540 | 165 | 237 | 206 | 267 |
240 | 75.4/125 | 98/161 | 34.9/22.3 | 363 | 0.96 | 4.3 | 1 | 107 | 166 | 340 | 530 | 140 | 191 | 185 | 226 |
300 | 60.1/100 | 80/130 | 43.8/28.0 | 398 | 1.03 | 4.3 | 1.1 | 104 | 160 | 330 | 510 | 126 | 163 | 174 | 203 |
400 | 47.0/77.8 | 64/102 | 57.3/36.6 | 439 | 1.17 | 5.8 | 1.2 | 97 | 157 | 310 | 500 | 113 | 141 | 164 | 184 |
500 | 36.6/60.5 | 51/81 | 72.3/46.2 | 483 | 1.28 | 5.8 | 1.3 | 94 | 154 | 300 | 490 | 105 | 124 | 158 | 171 |
630 | 28.3/46.9 | 42/64 | 91.2/58.3 | 534 | 1.42 | 5.8 | 1.4 | 91 | 151 | 290 | 480 | 97 | 110 | 151 | 160 |
800 | 22.1/36.7 | 35/55 | 114.4/75.0 | 590 | 1.61 | 8.2 | 1.4 | 91 | 147 | 290 | 470 | 92 | 101 | 147 | 153 |
1000 | 17.6/29.1 | 30/46 | 143.0/94.0 | 640 | 1.75 | 8.2 | 1.5 | 88 | 144 | 280 | 460 | 88 | 95 | 144 | 148 |
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