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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39,0 42,0 45,3 48,5 51,3 54,3 60,9 XLPE insulation nom. 126 126 Cable weight (Cu/Al) approx. kg/m 23 Permissible pulling force (Cu/Al) conductor max. kV/mm 5,1 5,6 Capacitance per core approx. µF/km 0,149 0,159 0,167 0,174 0,180 0,187 0,202 Inductance approx. /km 0,0375 0,0319 0,0275 0,0240 0,0213 0,0193 0,0156 Field strength U0 at conductor screen approx. 34,2 38,1 XLPE insulation nom. /km 0,0232 0,0201 0,0175 0,0156 0,0142 0,0129 0,0109 Al conductor approx. 128 130 133 136 139 143 150 Cable weight (Cu/Al) approx. 1,95 1,95 2,00 2,05 2,10 2,15 2,25 Electrical Data Cu conductor resistance 20°C max. kV/mm 6,0 6,3 6,4 6,5 6,6 6,7 6,8 Capacitance per core approx. /km 0,0176 0,0151 0,0129 0,0113 0,0101 0,0090 0,0072 Al conductor max. 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 907/785 968/838 1031/896 1085/896 1124/973 1159/1004 1226/1062 2 circuits A/MVA 770/667 818/708 868/752 912/790 942/816 969/839 1019/882 Al conductor cables circuit A/MVA 725/628 782/677 838/726 893/773 939/813 976/845 1063/921 2 circuits A/MVA 615/533 661/572 707/612 751/650 787/682 816/707 884/766 . 35,0 33,0 Screen, copper wire, cross section nom. 30 Bending radius during laying min. mH/km 0,45 0,43 Current Ratings/Power Ratings (continuous load) trefoil installation Cu conductor cables circuit A/MVA 628/544 661/572 2 circuits A/MVA 498/431 520/450 Al conductor cables circuit A/MVA 537/465 577/500 2 circuits A/MVA 427/370 455/394 Type (A)2XS(FL)2Y RMS/170 290/500 with segmental conductor (RMS) Dimensions/Cross Sections mm² 1000 1200 1400 1600 1800 2000 2500 Conductor, round, stranded, segmental, approx. 100 125 75 Bending radius during laying min. kV/mm 14,6 14,6 14,3 14,1 13,9 13,6 13,3 at core screen approx. mm² 170 170 Outer diameter approx. 1,90 1,90 Electrical Data Cu conductor resistance 20°C max. /km 0,0367 0,0291 Cu conductor resistance 90°C approx. kg/m 15 Permissible pulling force (Cu/Al) max.10 500 Single Core XLPE Cables with Copper Wire Screen and APL Sheath Type (A)2XS(FL)2Y RM/170 290/500 with stranded compacted conductor (RM) Dimensions/Cross Sections mm² 800 1000 Conductor, Al, round, stranded, approx. 32,0 31,0 31,0 31,0 31,0 31,0 31,0 Screen, copper wire, cross section nom. /km 0,0315 0,0265 Al conductor approx. /km 0,0492 0,0401 Field strength U0 at conductor screen approx. µF/km 0,124 0,137 Inductance approx. 3,15 3,15 at terminations min. 3,20 3,25 3,35 3,40 3,50 3,55 3,75 at terminations min. mm² 170 170 170 170 170 170 170 Outer diameter approx. kV/mm 14,9 14,8 at core screen approx. /km 0,0221 0,0176 Al conductor max. /km 0,0291 0,0247 0,0212 0,0186 0,0165 0,0149 0,0119 Cu conductor resistance 90°C approx