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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2,5 2,5 2,5 2,5 2,5 2,5 2,5 Bending radius during laying min. 57 Diameter above flat steel wire armouring approx. kg/m 19,3/16,0 21,9/17,5 24,4/18,8 28,2/21,1 31,8/22,6 37,2/25,2 44,3/28,8 Steel pipe dimensions min. µF/km 0,230 0,260 0,294 0,320 0,351 0,402 0,463 Inductance approx. 2,5 2,5 2,5 2,5 2,5 2,5 2,5 Bending radius during laying min. mm² 1,6 1,7 1,7 1,8 1,9 2,0 2,1 Diameter above lead sheath approx. /km 0,126 0,0968 0,0782 0,0627 0,0509 0,0420 0,0359 Al conductor approx. 16,6 19,1 21,3 24,0 27,0 30,6 34,5 Paper insulation, impregnated min. 16,0 18,3 20,7 23,4 26,5 30,0 34,2 Paper insulation, impregnated min. 10,2 9,7 9,7 9,7 8,7 8,2 8,2 Lead sheath, thickness nom. 10,7 10,2 9,7 9,7 9,7 9,2 8,7 Diameter above flat steel wire armouring approx. kg/m 12,0/8,6 13,8/9,3 15,6/9,9 18,3/11,1 21,9/12,7 26,1/14,1 31,5/16,2 Steel pipe dimensions min. 102 106 110 117 119 128 137 Cable Weight Cu/AI approx. 2,55 2,65 2,75 2,90 3,00 3,20 3,40 Electrical Data Cu conductor resistance 20°C max. kV/mm 9,2 9,1 9,2 8,9 8,6 8,8 9,0 Capacitance per core approx. 103 110 115 123 Cable Weight Cu/AI approx. /km 0,208 0,159 0,128 0,101 0,0797 0,0638 0,0524 Field strength U0 at conductor screen approx. /km 0,0991 0,0754 0,0601 0,0470 0,0366 0,0283 0,0221 Al conductor max. 2,30 2,35 2,40 2,60 2,75 2,90 3,10 Electrical Data Cu conductor resistance 20°C max. /km 0,164 0,125 0,100 0,0778 0,0605 0,0469 0,0367 Cu conductor resistance 85°C approx. mH/km 0,37 0,35 0,33 0,32 0,31 0,29 0,28 Transmission Capacity (continuous load) Cu conductor cables circuit A/MVA 340/65 390/74 435/83 480/92 535/102 580/111 625/119 2 circuits A/MVA 295/56 335/64 370/71 410/78 450/86 490/93 525/100 Al conductor cables circuit A/MVA 270/41 310/59 345/66 385/73 435/83 485/92 540/103 2 circuits A/MVA 230/44 265/51 295/56 330/63 370/71 410/78 450/86 .17 110 External Gas Pressure Cables DIN VDE 0276-635 Table Type designation NP(A)KDVFST2Y 64/110 kV Dimensions/Cross Sections mm² 185 240 300 400 500 630 800 Conductor, Al, oval, stranded, approx. mH/km 0,38 0,36 0,35 0,34 0,32 0,31 0,30 Transmission Capacity (continuous load) Cu conductor cables circuit A/MVA 340/65 390/74 430/82 480/92 525/100 570/109 605/115 2 circuits A/MVA 290/55 330/63 365/70 405/77 440/84 470/90 500/95 Al conductor cables circuit A/MVA 270/51 305/58 345/66 390/74 430/82 480/92 525/100 2 circuits A/MVA 230/44 265/51 295/56 330/63 360/69 400/76 435/83 110 Internal Gas Pressure Cables DIN VDE 0276-634 Table Type designation NI(A)VFST2Y 64/110 kV Dimensions/Cross Sections mm² 185 240 300 400 500 630 800 Conductor, Al, round, stranded, approx. /km 0,164 0,125 0,100 0,0778 0,0605 0,0469 0,0367 Cu conductor resistance 85°C approx. µF/km 0,264 0,301 0,324 0,353 0,420 0,486 0,534 Inductance approx. /km 0,208 0,159 0,128 0,100 0,0795 0,0633 0,0517 Field strength U0 at conductor screen approx. 133 133 139,7 146 4,5 146 4,5 159 4,5 168,3 4,5 PE-Oversheath, thickness nom. 133 133 133 133 139,7 146 4,5 159 4,5 PE-Oversheath, thickness nom. /km 0,126 0,0970 0,0786 0,0631 0,0513 0,0427 0,0368 Al conductor approx. /km 0,0991 0,0754 0,0601 0,0470 0,0366 0,0283 0,0221 Al conductor max. kV/mm 9,4 9,4 9,1 8,8 9,3 9,5 9,2 Capacitance per core approx