High Voltage Cable Systems Cables and Accessories up to 550 kV

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Development, consultancy, planning and design, cost-optimization, production, logistics, installation and service. With this all-round support the nkt cables HV-team will be at ourcustomer’s service in regard of the products high voltage and extra-high voltage cables and accessories. Optimized internal communication systems, specialized divisions and intensively trained team members are the power behind the customer-orientated installation solutions. With competence and know-how the nkt cables “Power Team” provides secure and reliable power supply wherever fully developed high-voltage power transmission is ...

Vydal: nkt cables s.r.o. Autor: nkt cables

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Poznámky redaktora
/km 0,0375 0,0319 0,0275 0,0240 0,0213 0,0193 0,0156 Field strength U0 at conductor screen approx. /km 0,211 0,161 0,129 0,101 0,0791 0,0622 0,0500 Field strength U0 at conductor screen approx. 19,0 18,0 17,0 16,0 15,0 14,0 14,0 Screen, copper wire, cross section nom. /km 0,164 0,125 0,100 0,0778 0,0605 0,0469 0,0367 Cu conductor resistance 90°C approx.7 132 Single Core XLPE Cables with Copper Wire Screen and APL Sheath (Optimized Design) Type (A)2XS(FL)2Y RM/50 76/132 with stranded compacted conductor (RM) Dimensions/Cross Sections mm² 185 240 300 400 500 630 800 Conductor, Al, round, stranded, approx. 39,0 42,0 45,3 48,5 51,3 54,3 60,9 XLPE insulation nom. kg/m 14,5/8,3 16,5/9,0 18,6/9,9 21/10,7 23/11,6 25/12,4 30/14,4 Permissible pulling force (Cu/Al) max. /km 0,0991 0,0754 0,0601 0,0470 0,0366 0,0283 0,0221 Al conductor max. 16,1 18,3 20,7 23,4 26,5 30,0 34,2 XLPE insulation nom. 50/30 60/36 70/42 80/48 90/54 100/60 125/75 Bending radius during laying min. mH/km 0,48 0,45 0,43 0,41 0,38 0,36 0,35 Current Ratings/Power Ratings (continuous load) trefoil installation Cu conductor cables circuit A/MVA 368/84 420/96 468/107 523/120 581/133 642/147 702/160 2 circuits A/MVA 314/72 358/82 397/91 442/101 490/112 540/123 587/134 Al conductor cables circuit A/MVA 289/66 332/76 370/85 418/96 471/108 533/121 588/134 2 circuits A/MVA 247/56 282/64 315/72 354/81 398/91 444/102 491/112 Type (A)2XS(FL)2Y RMS/50 76/132 with segmental conductor (RMS) Dimensions/Cross Sections mm² 1000 1200 1400 1600 1800 2000 2500 Conductor, round, stranded, segmental, approx. 9,3/5,6 12/7,2 15/9,0 20/12 25/15 32/19 40/24 Bending radius during laying min. kV/mm 7,5 7,4 7,4 7,3 7,4 7,6 7,3 at core screen approx. µF/km 0,116 0,129 0,144 0,164 0,185 0,212 0,235 Inductance approx. 1,30 1,35 1,40 1,45 1,50 1,55 1,65 Electrical Data Cu conductor resistance 20°C max. µF/km 0,289 0,304 0,322 0,338 0,353 0,368 0,402 Inductance approx. /km 0,0291 0,0247 0,0212 0,0186 0,0165 0,0149 0,0119 Cu conductor resistance 90°C approx. kV/mm 4,7 4,7 4,8 4,8 4,9 4,9 5,0 Capacitance per core approx. /km 0,0232 0,0201 0,0175 0,0156 0,0142 0,0129 0,0109 Al conductor approx. /km 0,0176 0,0151 0,0129 0,0113 0,0101 0,0090 0,0072 Al conductor max. kV/mm 2,4 2,6 2,9 3,2 3,6 4,0 4,1 Capacitance per core approx. 77 Cable weight (Cu/Al) approx. mH/km 0,56 0,55 0,53 0,52 0,51 0,50 0,47 Current Ratings/Power Ratings (continuous load) flat installation Cu conductor cables circuit A/MVA 1007/230 1081/247 1160/265 1227/281 1284/294 1341/307 1447/331 2 circuits A/MVA 875/200 938/214 1005/230 1063/243 1110/254 1159/265 1248/285 Al conductor cables circuit A/MVA 795/182 863/197 932/213 998/228 1057/242 1110/254 1231/281 2 circuits A/MVA 691/158 750/171 808/185 864/198 915/209 960/219 1062/243 . kg/m 5,3/4,2 5,8/4,3 6,3/4,5 7,2/4,7 8,1/5,0 9,3/5,4 11,2/6,3 Permissible pulling force (Cu/Al) max. 1,70 1,70 1,70 1,75 1,75 1,80 1,95 at terminations min. kV/mm 7,4 7,3 7,2 7,2 7,1 7,0 6,9 at core screen approx. mm² 110 110 110 110 110 110 110 Outer diameter approx. 100 103 110 Cable weight (Cu/Al) approx. mm² 50 Outer diameter approx. /km 0,127 0,0973 0,0781 0,0618 0,0492 0,0393 0,0326 Al conductor approx. 2,15 2,20 2,30 2,40 2,50 2,60 2,75 at terminations min. 1,00 1,00 1,00 1,05 1,05 1,10 1,15 Electrical Data Cu conductor resistance 20°C max. 13,0 13,0 13,0 13,0 13,0 13,0 13,0 Screen, copper wire, cross section nom