HTS Triax™ Energy Cable Systems

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High-temperature superconductor technology(HTS) is the key technology fortomorrow’s electricity market. Compared with copper conductors, HTS ceramic cableshave a number of signifi cant advantages. For example they can conduct electric current without resistance at app. 200°C below zero. Transmission capacity is five timeshigher than that of conductors made of copper, while current loss is reduced to one tenth. The development of HTS cables is inseparably linked to the name nkt cables. However, nkt cables is not just one of the ...

Vydal: nkt cables s.r.o. Autor: nkt cables

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0 3.2-0.0 3.5 Thermal insulation Semi-rigid corrugated duct, ID/OD 84/143 84/143 84/143 98/163 98/163 PE outer sheath thickness 3 Total 150 150 150 170 170 Termination 160 160 160 180 180 Permissible pulling force 20 Bending radius during laying/at terminations (min) 3/1.022 Power rating (continuous load) 30 kV 1 circuit/2 circuits MVA 65/130 104/208 130/260 156/312 177/354 Type HC-BC-CRS(WM)2Y 21/36 kV *Conductor loss Pnom depends operation temperature, 67-79 K Dimensions/Ampacity, 1. 15 Electrical data Conductor resistance Pnom µOhm/m <10 <10 <10 <10 <10 Conductor loss Pnom *(Toperation 67 K 79 K) W/m/ph 0.4 Cable Core Conductor, BSCCO laminated, hollow 41 Copper stabiliser, cross section mm2 40 60 Cryoflex® insulation 4,7 4,7 4,7 4,7 4,7 Screen, copper tape, cross section mm2 120 120 120 120 120 Outer cable core diameter 81 Weight, HTS cable core, phases kg/m 4. phase-to-ground µF/km 1,6 1,7 2,0 2,2 2,2 Inductance, eqv.3-0.3-0.4 3.5 3/1.022 0.5 7.5 1.0 Inductance, eqv.3 0.4 2.4 Cable core Conductor, BSCCO laminated, hollow 41 Copper stabiliser, cross section mm2 40 60 Cryoflex® insulation 3.025 0.7 Heat leak, joints W/ea.5 3. single phase mH/km 0.00 2. single phase mH/km 0,039 0,036 0,031 0,028 0,028 Power Rating (continuous load) kV 1 circuit/2 circuits MVA 108/217 173/346 217/433 260/520 294/589 Type HT-BC-CRS(WM)2Y 42/72 HTS Triax™ Energy Cable .9 0.5 3/1.2 1.5 3.4 3.5 3/1.25 2.5 1.6 0.2 2.2 0.029 0.9 1. 15 Electrical Data Conductor resistance Pnom µOhm/m <1 Conductor loss Pnom W/m/ph 0.5 AC loss power factor, P=k*ln 3 3 Capacitance, eqv.0 3.5 3/1.3 0.4 3.5 3/1.4-1.25 2.5 4/2 4/2 Heat leak, duct section W/m 1. Dimensions/Ampacity, 1.5-1.4 Screen, copper tape, cross section mm2 120 120 120 120 120 Outer cable core diameter 73 Weight, HTS cable core, phases kg/m 5.00 2.5 8 Permissible pulling force 20 Bending radius during laying/at termination (min) 3/1,5 3/1,5 3/1,5 3/1,5 3/1,5 Thermal Insulation Semi-rigid corrugated duct, ID/OD 84/143 84/143 84/143 98/163 98/163 PE outer sheath thickness 3 Total 150 150 150 170 170 Termination 160 160 160 180 180 Permissible pulling force 20 Bending radius during laying/at termination (min) 3/1,5 3/1,5 3/1,5 4/2 4/2 Heat leak, duct section W/m 1,5 1,5 1,5 1,7 1,7 Heat leak, joints W/ea.4 3. phase-to-ground µF/km 2.032 0.8 6.6 0.5 Permissible pulling force 20 Bending radius during laying/at terminations (min) 3/1.7 3.2 7.7 1.5 3/1.5 AC loss power factor, P=k*ln 3 3 Capacitance, eqv.5 5.5 1