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
kV/mm 14,9 14,8 at core screen approx. 1,90 1,90 Electrical Data Cu conductor resistance 20°C max. /km 0,0291 0,0247 0,0212 0,0186 0,0165 0,0149 0,0119 Cu conductor resistance 90°C approx. kg/m 23 Permissible pulling force (Cu/Al) conductor max. /km 0,0221 0,0176 Al conductor max. /km 0,0367 0,0291 Cu conductor resistance 90°C approx. kV/mm 5,1 5,6 Capacitance per core approx. 30 Bending radius during laying min. kV/mm 6,0 6,3 6,4 6,5 6,6 6,7 6,8 Capacitance per core approx. mm² 170 170 170 170 170 170 170 Outer diameter approx. 34,2 38,1 XLPE insulation nom. kg/m 15 Permissible pulling force (Cu/Al) max. /km 0,0375 0,0319 0,0275 0,0240 0,0213 0,0193 0,0156 Field strength U0 at conductor screen approx. /km 0,0315 0,0265 Al conductor approx. µF/km 0,124 0,137 Inductance approx. /km 0,0492 0,0401 Field strength U0 at conductor screen approx. 3,15 3,15 at terminations min. /km 0,0176 0,0151 0,0129 0,0113 0,0101 0,0090 0,0072 Al conductor max. 1,95 1,95 2,00 2,05 2,10 2,15 2,25 Electrical Data Cu conductor resistance 20°C max. 128 130 133 136 139 143 150 Cable weight (Cu/Al) approx. kV/mm 14,6 14,6 14,3 14,1 13,9 13,6 13,3 at core screen approx. 100 125 75 Bending radius during laying min. 32,0 31,0 31,0 31,0 31,0 31,0 31,0 Screen, copper wire, cross section nom. mm² 170 170 Outer diameter approx. 126 126 Cable weight (Cu/Al) approx. 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. /km 0,0232 0,0201 0,0175 0,0156 0,0142 0,0129 0,0109 Al conductor approx. 35,0 33,0 Screen, copper wire, cross section nom.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. 3,20 3,25 3,35 3,40 3,50 3,55 3,75 at terminations min. 39,0 42,0 45,3 48,5 51,3 54,3 60,9 XLPE insulation nom. µF/km 0,149 0,159 0,167 0,174 0,180 0,187 0,202 Inductance 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 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