Single Core Cables To VDE 0276

Single Core Medium Cable to VDE 0276 Application: The single core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 3.8/6.6KV to 19/33KV and frequency 50Hz. They are suitable for installation mostly in power supply stations,Website:http://www.ue-cable.com, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power stations. Standards: DIN VDE 0276 Part 620 -622HD 620 S1 Conductor: Stranded compacted circular copper or aluminium conductors according to IEC60228 class 2 / VDE 0276 class 2 / VDE 0295 HD 383. All internal interstices of the conductor are filled with water blocking compound to prevent ingress of water through conductor during storage, handing, installation and operation of the cable. Conductor Screen: The conductor screen consists of an extruded layer of non metallic, semi-conducting compound firmly bonded to the insulation to exclude all air voids. The screen has a minimum thickness of 0.3mm and the maximum volume resistivity of 500 Ohm-m at 90°C. Insulation: Insulation is of extruded XLPE compound type 2XI1 according to DIN VDE 0207 part 22 and HD 620.1 with high degree of cross-linking, free from contaminants, air voids and heat resistant by dry cured process.The nominal insulation wall thickness is shown in table 1. Table 1.Insulation Thickness      Nom. Cross Section Area Insulation Thickness at Nom. Voltage 3.6/6KV (Um=7.2kV) 6/10kV (Um=12kV) 8.7/15kV (Um=17.5kV) 12/20kV (Um=24kV) 18/30kv (Um=36kV) mm2 mm mm mm mm mm 35 2.5 3.4 4.5 5.5 - 50 2.5 3.4 4.5 5.5 8.0 70 2.5 3.4 4.5 5.5 8.0 95 2.5 3.4 4.5 5.5 8.0 120 2.5 3.4 4.5 5.5 8.0 150 2.5 3.4 4.5 5.5 8.0 185 2.5 3.4 4.5 5.5 8.0 240 2.6 3.4 4.5 5.5 8.0 300 2.8 3.4 4.5 5.5 8.0 400 3.0 3.4 4.5 5.5 8.0 Insulation Screen: The insulation screen consists of extruded non metallic, semi-conducting compound extruded over the insulation. The extruded semi-conducting layer shall consist of bonded or cold strippable semi-conducting compound capable of removal for jointing or terminating.The minimum thickness is 0.3mm and the maximum volume resistivity of 500 Ohm-m at 90°C. The screen is tightly fitted to the insulation to exclude all air voids and can be easily hand stripped on site. Conducting Water Blocking Layer: The insulation screen may be coverd by semi- conductive water blocking tape which will swell up under the influence of moisture of water to ensure longitudinal watertightness. Metallic Screen: Copper wires are applied over the conducting water blocking layer with a minimum diameter of 0.5mm. And over the copper wires, copper tape with minimum thickness of 0.1mm is applied helically with overlap. Total cross section of metallic screen layer is shown in table 2. The screen can withstand fault current to earth of 1000 A for one second at maximum temperature of 160°C. Minimum cross section of concentric conductor is according to DIN VDE 0273 & 0276 as shown. Table 2. Minimum Total Cross Section of Metallic Screen Nominal Cross-Section Area Of Cable Minimum Cross-Section of Metallic Screen DC Resistance of the Copper Wire Screen mm² mm² mm Up to 120 16 1.06 150-300 25 0.72 400-630 35 0.51 800-1000 50 0.35 Separator / Water Blocking Layer: The metallic screen may be covered by non-conducting water blocking tape which will swell up under the influence of moisture of water to ensure longitudinal watertightness. Separation Sheath (for armoured cable): The separation sheath comprises a layer of extruded PVC, PE or LSZH, applied under the armour. Thickness of separation sheath as shown in table 3. Table 3. Separation Sheath Thickness Core Diameter Approx. Thickess of Inner Sheath mm mm > << p="">< 35 45 1.4 45 60 1.6 60 80 1.8 80 - 2.0 Armour (for armoured cable): The armour consists of round aluminium wire armour applied helically over an extruded separation sheath. Table 4. Round Armour Wire Diameter Fictitious Diameter Under the Armour Armour Wire Diameter mm mm > << p="">< - 10 0.8 10 15 1.25 15 25 1.6 25 35 2.0 35 60 2.5 60 - 3.15 Outer Sheath: Overall sheath comprises a layer of extruded PE compound DMP2 according to HD620.1 and 2YM3 type to DIN VDE 0276 Part 3, or PVC compound DMV6 according to HD620.1 and YM5 to DIN VDE 0276 Part 6. Normal wall thickness is 2.5mm (1/500mm 18/30sq 2.6mm), suitable for exposure to sun-light or other local atmospheric environments and for the operating temperature of the cable.  PHYSICAL PROPERTIES: Operating Temperature: up to 90°C Temperature Range: -5°C ( PVC sheath ); -20°C ( PE sheath )Short Circuit Temperature: 250°C (short circuit duration up to 5 seconds) Bending Radius: 15 x OD (Cable without metal sheath) 30 x OD (Cable with aluminium sheath) Table 5. Nominal /Operating /Testing Voltages Nominal Voltage Uo/U Operating Voltage (max) Testing Voltage 3.6/6KV 8KV 10KV 6/10KV 12KV 15KV 8.7/15KV 18KV 22.5KV 12/20KV 24KV 30KV 18/30KV 36KV 45KV TYPE CODES:  Cores N According to VDE Standard (No abbreviation for copper conductor) A Aluminium Conductor 2X XLPE Insulation Y PVC Insulation  Screen S Screen of copper wires and copper tape, helically wound. SE Screen of copper wire plus copper tape over each individual cores, helically wound (F) Longitudinally waterproof screen.  Concentric Conductor Screen C Concentric conductor screen of copper wires and copper tape, helically wound. CE Concentric conductor screen of copper wire plus copper tape over each individual cores, helically wound.  Jacket 2Y PE Jacket Y PVC Jacket H LSZH Jacket  Single Core 1.8/3KV (Um=3.6KV) Dimensional Data Nom. Cross- Section Area Nom. Insulation Thickness Copper Tape Thickness Copper Wire Screen Area* Nom. Sheath Thickness Nom. Overall Diameter Approx. Weight N2XSY/ N2XSH Cu NA2XSY/ NA2XSH Al N2XS2Y Cu NA2XS2Y Al N2XS (F) 2Y Cu NA2XS (F) 2Y Al mm2 mm mm mm2 mm mm kg / km kg / km kg / km kg / km kg / km kg / km 25 2.0 0.1 16 1.4 13 500 180 480 140 500 230 35 2.0 0.1 16 1.4 14 620 280 600 240 620 330 50 2.0 0.1 16 1.4 15 700 380 750 290 750 430 70 2.0 0.1 16 1.5 17 900 480 800 380 1000 560 95 2.0 0.1 16 1.5 19 1200 590 1050 460 1300 670 120 2.0 0.1 16 1.6 21 1450 700 1300 550 1500 800 150 2.0 0.1 25 1.6 22 1700 800 1550 650 1800 900 185 2.0 0.1 25 1.7 24 2050 850 1900 750 2150 950 240 2.0 0.1 25 1.8 27 2550 1050 2350 900 2650 1150 300 2.0 0.1 25 1.8 29 3150 1250 2950 1050 3250 1350 400 2.0 0.1 35 1.9 32 3950 1550 3800 1450 4100 1650 500 2.2 0.1 35 2.0 35 5000 2000 4800 1800 5200 2150 630 2.4 0.1 35 2.2 38 6200 2200 6300 2100 6400 2350 800 2.6 0.1 35 2.3 44 8000 2900 7900 2800 8200 3050 *Optional wire screen can be provided in combination of copper tapes. Nominal screen area, as stated in the table, can be supplied as standard. 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 1 sec Short Circuit Rating of Copper Tape Screen 1 sec Reactance Inductance Impedance Trefoil Flat Spaced Trefoil Flat Spaced Trefoil Flat Spaced cu AL cu AL mm2 μΩ/m μΩ/m kA pF/m mA/m kA kA μΩ/m nH/m μΩ/ m μΩ/ m 25 727/1200 929/1538 3.6/2.3 222 0.32 2.6 0.3 131 185 345 535 936 1544 952 1554 35 524/868 668/1113 5.0/3.2 251 0.35 2.6 0.4 122 178 327 524 679 1121 695 1131 50 387/641 494/822 6.8/4.4 281 0.39 2.6 0.4 116 172 313 514 511 834 527 844 70 268/443 343/568 9.8/6.3 341 0.45 2.6 0.5 110 165 300 495 364 583 386 597 95 193/320 248/410 13.3/8.5 397 0.50 2.6 0.5 104 160 287 485 272 427 300 446 120 153/253 196/325 17.2/11.0 430 0.55 2.6 0.6 104 159 280 475 225 345 257 367 150 124/206 159/265 21.2/13.5 464 0.59 4.3 0.6 100 156 274 465 193 287 229 313 185 99.1/164 128/211 26.6/17.0 513 0.65 4.3 0.7 98 154 267 459 165 237 206 267 240 75.4/125 98/161 34.9/22.3 573 0.70 4.3 0.9 94 150 260 455 140 191 185 226 300 60.1/100 80/130 43.8/28.0 652 0.72 4.3 1.0 91 147 253 445 128 163 174 203 400 47.0/77.8 64/102 57.3/36.6 727 0.75 5.8 1.1 90 147 248 435 113 141 164 184 500 36.6/60.5 51/81 72.3/46.2 754 0.79 5.8 1.2 89 145 245 425 105 124 158 171 630 28.3/46.9 42/64 91.2/58.3 786 0.87 5.8 1.3 86 143 243 415 97 110 151 160   Nom. Cross- Section Area Nom. Insulation Thickness Copper Tape Thickness Copper Wire Screen Area* Nom. Sheath Thickness Nom. Overall Diameter Approx. Weight N2XSY/ N2XSH Cu NA2XSY/ NA2XSH Al N2XS2Y Cu NA2XS2Y Al N2XS (F) 2Y Cu NA2XS (F) 2Y Al mm2 mm mm Mm2 mm mm kg / km kg / km kg / km kg / km kg / km kg / km 25 2.5 0.1 16 1.5 18 700 480 600 550 700 560 35 2.5 0.1 16 1.6 20 820 580 800 560 900 660 50 2.5 0.1 16 1.6 21 1000 680 900 570 1050 750 70 2.5 0.1 16 1.7 23 1200 770 1100 650 1300 850 95 2.5 0.1 16 1.7 24 1500 890 1350 760 1550 990 120 2.5 0.1 16 1.8 26



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