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
0,70 0,70 0,70 0,70 0,75 Electrical Data Conductor resistance 20°C max. 67 Diameter above flat steel wire armouring approx. mH/km 0,47 0,44 0,43 0,41 0,38 Transmission Capacity Current rating (continuous) circuit 256 288 319 357 406 Power rating MVA 93 Current rating (continuous) circuits 223 250 277 309 351 Power rating MVA 80 Dimensions/Cross Sections mm² 300 400 500 630 800 Conductor, Cu, round, stranded, approx. kg/m 16,5 19,4 22,9 27,4 33,6 Steel pipe (minimum dimension) 139,7 146 4,5 159 4,5 159 4,5 168,3 4,5 Permissible pulling force max. µF/km 0,192 0,211 0,231 0,252 0,275 Inductance approx. kV/mm 3,2 3,6 3,9 4,2 4,9 Capacitance per core approx. 20,7 23,4 26,5 30,0 34,2 XLPE insulation nom. kV/mm 5,0 5,1 5,2 5,4 5,3 Capacitance per core approx. /km 0,0601 0,0470 0,0366 0,0283 0,0221 Conductor resistance 90°C approx. 2,70 2,70 2,70 2,75 2,75 of phase core terminations min. 11,0 11,0 11,0 11,0 11,3 Diameter above 2,0 APL-sheath approx. kV/mm 10,0 9,6 9,4 9,1 8,7 at core screen approx. 52 Bending radius during laying min. µF/km 0,114 0,129 0,139 0,153 0,177 Inductance approx. 2,90 3,10 3,20 3,40 3,70 of phase core terminations min. 116 123 129 137 149 Weight, cable only approx. kg/m 11,1 11,5 12,0 13,1 14,9 Steel pipe (minimum dimension) 133 133 133 133 133 4 Permissible pulling force max.15 132 CityCables Type designation 2X(FL)2YVF ST2Y 76/132 kV Dimensions/Cross Sections mm² 120 150 185 240 Conductor, Cu, round, stranded, approx. mH/km 0,37 0,36 0,34 0,33 0,32 Transmission Capacity Current rating (continuous) circuit 454 508 569 624 679 Power rating MVA 104 116 130 143 155 Current rating (continuous) circuits 391 436 486 532 576 Power rating MVA 100 111 122 132 . kV/mm 10,3 10,3 10,2 10,1 10,3 at core screen approx. 108 107 108 110 111 Weight, cable only approx. 71 Bending radius during laying min. 14,0 13,0 12,5 12,0 11,0 Diameter above 2,0 APL-sheath approx. /km 0,0785 0,0624 0,0500 0,0404 0,0335 Field strength U0 at conductor screen approx. /km 0,247 0,196 0,159 0,127 0,0975 Field strength U0 at conductor screen approx. 0,75 0,80 0,85 0,90 1,00 Electrical Data Conductor resistance 20°C max. /km 0,193 0,153 0,124 0,0991 0,0754 Conductor resistance 90°C approx. 49 Diameter above flat steel wire armouring approx. 11,5 13,1 14,3 16,1 18,3 XLPE insulation nom