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
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. 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 . µF/km 0,264 0,301 0,324 0,353 0,420 0,486 0,534 Inductance approx. /km 0,0991 0,0754 0,0601 0,0470 0,0366 0,0283 0,0221 Al conductor max. 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. 10,7 10,2 9,7 9,7 9,7 9,2 8,7 Diameter above flat steel wire armouring approx. kV/mm 9,2 9,1 9,2 8,9 8,6 8,8 9,0 Capacitance per core approx. 102 106 110 117 119 128 137 Cable Weight Cu/AI approx. /km 0,164 0,125 0,100 0,0778 0,0605 0,0469 0,0367 Cu conductor resistance 85°C approx. 2,55 2,65 2,75 2,90 3,00 3,20 3,40 Electrical Data Cu conductor resistance 20°C max. 10,2 9,7 9,7 9,7 8,7 8,2 8,2 Lead sheath, thickness nom. mm² 1,6 1,7 1,7 1,8 1,9 2,0 2,1 Diameter above lead sheath approx. 133 133 139,7 146 4,5 146 4,5 159 4,5 168,3 4,5 PE-Oversheath, thickness nom. 16,6 19,1 21,3 24,0 27,0 30,6 34,5 Paper insulation, impregnated min. /km 0,0991 0,0754 0,0601 0,0470 0,0366 0,0283 0,0221 Al conductor max. 133 133 133 133 139,7 146 4,5 159 4,5 PE-Oversheath, thickness nom. 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. 2,5 2,5 2,5 2,5 2,5 2,5 2,5 Bending radius during laying min. 16,0 18,3 20,7 23,4 26,5 30,0 34,2 Paper insulation, impregnated min. 2,5 2,5 2,5 2,5 2,5 2,5 2,5 Bending radius during laying min. /km 0,208 0,159 0,128 0,100 0,0795 0,0633 0,0517 Field strength U0 at conductor screen approx. /km 0,208 0,159 0,128 0,101 0,0797 0,0638 0,0524 Field strength U0 at conductor screen approx. 2,30 2,35 2,40 2,60 2,75 2,90 3,10 Electrical Data Cu conductor resistance 20°C max. /km 0,126 0,0968 0,0782 0,0627 0,0509 0,0420 0,0359 Al conductor approx. /km 0,126 0,0970 0,0786 0,0631 0,0513 0,0427 0,0368 Al conductor approx. 57 Diameter above flat steel wire armouring approx.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. /km 0,164 0,125 0,100 0,0778 0,0605 0,0469 0,0367 Cu conductor resistance 85°C approx. 103 110 115 123 Cable Weight Cu/AI approx. µF/km 0,230 0,260 0,294 0,320 0,351 0,402 0,463 Inductance approx. kV/mm 9,4 9,4 9,1 8,8 9,3 9,5 9,2 Capacitance per core approx