XLPE Insulated 3 Cores Mv Power Cables
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1.8/3kv Power Cables Three Cores Cables to IEC 60502 Standards
IEC 60502 Part 1(1.8/3KV)
1.8/3kv Power Cables Three Cores Cables to IEC 60502 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.
1.8/3kv Power Cables Three Cores Cables to IEC 60502 Construction
Conductor: Plain annealed copper or aluminium complying with IEC 60228 class 1 or 2.
Conductor Screen: The conductor screen consists of an extruded layer of non metallic, semi-conducting compound applied on top of a semi-conducting tape.
Insulation: Insulation is of polyvinyl chloride (PVC) intended for 1.8/3.6KV and 3.6/6KV cables, cross-linked polyethylene compound (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 cross-link compound
Metallic Screen:Copper tape screen or copper wire with helically copper Tape
Inner Covering & Fillers: The inner covering and fillers are made of non hygroscopic material like polypropylene.
Separation Sheath (for armoured cable): 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 .The thickness is1.5mm
Armour (for armoured cable): It consists of either flat galvanized steel wire armour (strip), round galvanized steel wire armour, and double steel tape armour.
Outer Sheath: PVC, PE, HDPE, MDPE or LSZH
Installation and operation condition of cable
Operating Temperature: up to 70°C (PVC insulation); up to 90°C (XLPE or EPR insulation)
Temperature Range: -5°C ( PVC sheath ); -20°C ( PE sheath )
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) |
1.8/3KV | 3.6KV | 6.5KV |
1.8/3KV Power Cables Three Cores Cables to IEC 60502 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 | AL | ||||||||||
mm2 | mm | mm | mm2 | mm | mm | kg/km | mm | mm | mm | mm | kg/km | ||
10 | 2 | 0.1 | 16 | 1.8 | 23 | 650 | 460 | 1.2 | 1.6 | 1.8 | 28 | 1480 | 1290 |
16 | 2 | 0.1 | 16 | 1.8 | 24 | 840 | 540 | 1.2 | 1.6 | 1.9 | 29 | 1720 | 1410 |
25 | 2 | 0.1 | 16 | 1.8 | 26 | 1160 | 680 | 1.2 | 1.6 | 1.9 | 32 | 2130 | 1650 |
35 | 2 | 0.1 | 16 | 1.8 | 29 | 1490 | 820 | 1.2 | 2 | 2.1 | 36 | 2810 | 2140 |
50 | 2 | 0.1 | 16 | 1.9 | 32 | 1900 | 1000 | 1.2 | 2 | 2.2 | 39 | 3340 | 2450 |
70 | 2 | 0.1 | 16 | 2 | 36 | 2580 | 1290 | 1.2 | 2 | 2.3 | 42 | 4200 | 2910 |
95 | 2 | 0.1 | 16 | 2.2 | 40 | 3440 | 1640 | 1.3 | 2.5 | 2.4 | 47 | 5620 | 3820 |
120 | 2 | 0.1 | 16 | 2.3 | 43 | 4220 | 1950 | 1.3 | 2.5 | 2.5 | 51 | 6580 | 4310 |
150 | 2 | 0.1 | 25 | 2.4 | 46 | 5090 | 2290 | 1.4 | 2.5 | 2.7 | 54 | 7680 | 4870 |
185 | 2 | 0.1 | 25 | 2.5 | 50 | 6240 | 2730 | 1.5 | 2.5 | 2.8 | 58 | 9060 | 5560 |
240 | 2 | 0.1 | 25 | 2.7 | 56 | 8030 | 3430 | 1.6 | 2.5 | 3 | 64 | 11200 | 6600 |
300 | 2 | 0.1 | 25 | 2.8 | 60 | 9890 | 4100 | 1.6 | 2.5 | 3.1 | 69 | 13590 | 7500 |
400 | 2 | 0.1 | 35 | 3.1 | 68 | 12530 | 5150 | 1.8 | 3.15 | 3.4 | 78 | 17260 | 9880 |
500 | 2.2 | 0.1 | 35 | 3.3 | 75.7 | 16680 | 7510 | 1.8 | 3.15 | 3.5 | 84.3 | 21780 | 13025 |
630 | 2.4 | 0.1 | 35 | 3.5 | 84.9 | 21770 | 10040 | 1.8 | 3.15 | 3.8 | 94.6 | 27400 | 16050 |
Optional wire screen can be provided in combination of copper tapes. Nominal screen area, as stated in the table, can be supplied as standard.
Nom.Cross-Section Area | 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 | ||
10 | 1.2 | 0.8 | 1.8 | 24.5 | 1245 | 1065 | 1.2 | 2 x 0.2 | 1.8 | 23.6 | 925 | 750 |
16 | 1.2 | 0.8 | 1.8 | 27.1 | 1565 | 1280 | 1.2 | 2 x 0.2 | 1.8 | 26.2 | 1205 | 925 |
25 | 1.2 | 0.8 | 1.8 | 29.7 | 1975 | 1525 | 1.2 | 2 x 0.2 | 1.9 | 29 | 1590 | 1145 |
35 | 1.2 | 0.8 | 1.9 | 32.5 | 2420 | 1805 | 1.2 | 2 x 0.2 | 1.9 | 31.6 | 1985 | 1370 |
50 | 1.2 | 0.8 | 2 | 35 | 2860 | 2080 | 1.2 | 2 x 0.2 | 2 | 34.1 | 2400 | 1605 |
70 | 1.2 | 0.8 | 2.1 | 38.7 | 3685 | 2525 | 1.2 | 2 x 0.5 | 2.2 | 39.5 | 3570 | 2410 |
95 | 1.3 | 0.8 | 2.2 | 42.9 | 4695 | 3080 | 1.3 | 2 x 0.5 | 2.3 | 43.7 | 4570 | 2950 |
120 | 1.3 | 0.8 | 2.3 | 46.4 | 5650 | 3585 | 1.3 | 2 x 0.5 | 2.4 | 46.1 | 5510 | 3440 |
150 | 1.4 | 0.8 | 2.4 | 49.6 | 6630 | 4085 | 1.4 | 2 x 0.5 | 2.6 | 50.6 | 6500 | 3955 |
185 | 1.5 | 0.8 | 2.6 | 54.1 | 7990 | 4820 | 1.5 | 2 x 0.5 | 2.7 | 54.9 | 7825 | 4650 |
240 | 1.6 | 0.8 | 2.7 | 59.2 | 10060 | 5790 | 1.6 | 2 x 0.5 | 2.8 | 60 | 9825 | 5600 |
300 | 1.6 | 0.8 | 2.9 | 64.6 | 12230 | 6865 | 1.6 | 2 x0.5 | 3 | 65.4 | 12030 | 6660 |
400 | 1.8 | 0.8 | 3.1 | 71 | 15200 | 8280 | 1.8 | 2 x 0.5 | 3.2 | 71.8 | 14970 | 8055 |
500 | 1.8 | 0.8 | 3.3 | 79.5 | 19090 | 10255 | 1.8 | 2 x 0.8 | 3.5 | 80.5 | 18880 | 10035 |
630 | 1.8 | 0.8 | 3.6 | 89.8 | 24400 | 12920 | 1.8 | 2 x 0.8 | 3.8 | 92.3 | 25070 | 13620 |
1.8/3KV 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) |
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 | ||||
10 | 1830/3080 | 2330/3920 | 1.4/0.9 | 160 | 0.25 | 2.6 | 0.4 | 101 | 390 | 23.6 | 925 | 750 | 3846 | 2332 | 3840 |
16 | 1150/1910 | 1460/2420 | 2.2/1.4 | 180 | 0.27 | 2.6 | 0.4 | 98 | 370 | 26.2 | 1205 | 925 | 2411 | 1478 | 2420 |
25 | 727/1200 | 929/1538 | 3.6/2.3 | 220 | 0.29 | 2.6 | 0.4 | 95 | 350 | 29 | 1590 | 1145 | 1544 | 952 | 1554 |
35 | 524/868 | 668/1113 | 5.0/3.2 | 250 | 0.31 | 2.6 | 0.5 | 92 | 330 | 31.6 | 1985 | 1370 | 1121 | 695 | 1131 |
50 | 387/641 | 494/822 | 6.8/4.4 | 270 | 0.33 | 2.6 | 0.5 | 88 | 310 | 34.1 | 2400 | 1605 | 834 | 527 | 844 |
70 | 268/443 | 343/568 | 9.8/6.3 | 310 | 0.35 | 2.6 | 0.6 | 84 | 290 | 39.5 | 3570 | 2410 | 583 | 386 | 597 |
95 | 193/320 | 248/410 | 13.3/8.5 | 350 | 0.38 | 2.6 | 0.6 | 81 | 270 | 43.7 | 4570 | 2950 | 427 | 300 | 446 |
120 | 153/253 | 196/325 | 17.2/11.0 | 380 | 0.46 | 2.6 | 0.7 | 79 | 250 | 46.1 | 5510 | 3440 | 345 | 257 | 367 |
150 | 124/206 | 159/265 | 21.2/13.5 | 420 | 0.5 | 2.6 | 0.7 | 77 | 260 | 50.6 | 6500 | 3955 | 287 | 229 | 313 |
185 | 99.1/164 | 128/211 | 26.6/17.0 | 460 | 0.56 | 2.6 | 0.8 | 76 | 250 | 54.9 | 7825 | 4650 | 237 | 206 | 267 |
240 | 75.4/125 | 98/161 | 34.9/22.3 | 510 | 0.61 | 4.3 | 0.9 | 74 | 240 | 60 | 9825 | 5600 | 191 | 185 | 226 |
300 | 60.1/100 | 80/130 | 43.8/28.0 | 570 | 0.68 | 4.3 | 1 | 73 | 250 | 65.4 | 12030 | 6660 | 163 | 174 | 203 |
400 | 47.0/77.8 | 64/102 | 57.3/36.6 | 590 | 0.7 | 5.8 | 1.1 | 71 | 240 | 71.8 | 14970 | 8055 | 141 | 164 | 184 |
500 | 36.6/60.5 | 57/81 | 72.3/46.2 | 610 | 0.72 | 5.8 | 1.2 | 69 | 230 | 80.5 | 18880 | 10035 | 124 | 158 | 171 |
630 | 28.3/46.9 | 42/64 | 91.2/58.3 | 630 | 0.74 | 5.8 | 1.3 | 67 | 220 | 92.3 | 25070 | 13620 | 110 | 151 | 160 |
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