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 0,0469 0,0367 0,0291 Cu conductor resistance 90°C approx.9 400 Single Core XLPE Cables with Copper Wire Screen and APL Sheath Type (A)2XS(FL)2Y RM/170 230/400 with stranded compacted conductor (RM) Dimensions/Cross Sections mm² 630 800 1000 Conductor, Al, round, stranded, 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 938/650 1001/694 1070/741 1125/779 1168/809 1212/840 1289/893 2 circuits A/MVA 804/557 855/592 912/632 957/663 990/686 1026/711 1086/752 Al conductor cables circuit A/MVA 748/518 808/560 868/601 924/640 973/674 1016/704 1112/770 2 circuits A/MVA 641/444 690/478 740/513 787/545 826/572 861/597 938/650 . /km 0,0232 0,0201 0,0175 0,0156 0,0142 0,0129 0,0109 Al conductor approx. µF/km 0,119 0,134 0,150 Inductance approx. /km 0,0393 0,0317 0,0276 Al conductor approx. kV/mm 12,8 12,7 12,8 at core screen approx. /km 0,0622 0,0500 0,0409 Field strength U0 at conductor screen approx. 2,95 2,95 2,95 at terminations min. mm² 170 170 170 Outer diameter approx. 121 120 123 127 128 131 138 Cable weight (Cu/Al) approx. /km 0,0375 0,0319 0,0275 0,0240 0,0213 0,0193 0,0156 Field strength U0 at conductor screen approx. 33,0 31,0 29,0 Screen, copper wire, cross section nom. 1,75 1,75 1,75 Electrical Data Cu conductor resistance 20°C max. /km 0,0176 0,0151 0,0129 0,0113 0,0101 0,0090 0,0072 Al conductor max. 3,00 3,00 3,10 3,15 3,20 3,25 3,45 at terminations min. kg/m 17/13 18/13 20/14 Permissible pulling force (Cu/Al) max. kg/m 20/14 22/14 24/15 26/16 28/17 30/18 36/20 Permissible pulling force (Cu/Al) max. mm² 170 170 170 170 170 170 170 Outer diameter approx. 50/30 60/36 70/42 80/48 90/54 100/60 125/75 Bending radius during laying min. /km 0,0283 0,0221 0,0176 Al conductor max. 30,0 34,2 38,1 XLPE insulation nom. 39,0 42,0 45,3 48,5 51,3 54,3 60,9 XLPE insulation nom. kV/mm 4,2 4,7 5,2 Capacitance per core approx. µF/km 0,156 0,171 0,180 0,188 0,201 0,209 0,226 Inductance approx. kV/mm 12,5 12,9 12,6 12,4 12,6 12,4 12,0 at core screen approx. mH/km 0,46 0,44 0,41 Current Ratings/Power Ratings (continuous load) trefoil installation Cu conductor cables circuit A/MVA 594/412 636/441 671/465 2 circuits A/MVA 481/333 512/355 538/373 Al conductor cables circuit A/MVA 499/346 545/378 587/407 2 circuits A/MVA 406/281 440/305 471/326 Type (A)2XS(FL)2Y RMS/170 230/400 with segmental conductor (RMS) Dimensions/Cross Sections mm² 1000 1200 1400 1600 1800 2000 2500 Conductor, round, stranded, segmental, approx. 29,0 27,0 27,0 27,0 26,0 26,0 26,0 Screen, copper wire, cross section nom. 118 118 118 Cable weight (Cu/Al) approx. /km 0,0291 0,0247 0,0212 0,0186 0,0165 0,0149 0,0119 Cu conductor resistance 90°C approx. kV/mm 5,3 5,9 6,0 6,1 6,5 6,5 6,7 Capacitance per core approx. 1,80 1,80 1,85 1,90 1,90 1,95 2,05 Electrical Data Cu conductor resistance 20°C max. 32/19 40/24 50/30 Bending radius during laying min