TY - CONF

T1 - Low AC Loss in a 3 kA HTS Cable of the Dutch Project

A1 - Chevtchenko,Oleg

A1 - Zuijderduin,Roy

A1 - Smit,Johan

A1 - Willén,Dag

A1 - Lentge,Heidi

A1 - Thidemann,Carsten

A1 - Traeholt,Chresten

A1 - Melnik,Irina

A1 - Geschiere,Alex

AU - Chevtchenko,Oleg

AU - Zuijderduin,Roy

AU - Smit,Johan

AU - Willén,Dag

AU - Lentge,Heidi

AU - Thidemann,Carsten

AU - Traeholt,Chresten

AU - Melnik,Irina

AU - Geschiere,Alex

PB - Elsevier BV

PY - 2012

Y1 - 2012

N2 - Requirements for a 6km long high temperature superconducting (HTS) AC power cable of the Amsterdam project are: a cable has to fit in an annulus of 160mm, with two cooling stations at the cable ends only. Existing solutions for HTS cables would lead to excessively high coolant pressure drop in the cable, potentially affecting public acceptance of the project. A way out would be to substantially reduce AC losses from 1 down to about 0.1W/m per phase at rated current of 3 kArms, frequency of 50Hz and temperature of 77K. In this paper we discuss a strategy towards this ambitious goal, a concept design of the single phase cable 3 kA conductor made of YBCO tapes and present corresponding experimental and simulation data supporting the developed approach leading directly to this goal. HTS cable model was made that show a drastically reduced AC loss. The low loss was achieved by using appropriate pitch angles for two-layer cable conductor of relatively large diameter, by minimizing the gaps between the HTS tapes, and by using narrow HTS tapes that conform well to the roundness of the underlying former. AC loss of 0.12W/m at 3 kArms was measured at a frequency of 60Hz and at a temperature of 77K.

AB - Requirements for a 6km long high temperature superconducting (HTS) AC power cable of the Amsterdam project are: a cable has to fit in an annulus of 160mm, with two cooling stations at the cable ends only. Existing solutions for HTS cables would lead to excessively high coolant pressure drop in the cable, potentially affecting public acceptance of the project. A way out would be to substantially reduce AC losses from 1 down to about 0.1W/m per phase at rated current of 3 kArms, frequency of 50Hz and temperature of 77K. In this paper we discuss a strategy towards this ambitious goal, a concept design of the single phase cable 3 kA conductor made of YBCO tapes and present corresponding experimental and simulation data supporting the developed approach leading directly to this goal. HTS cable model was made that show a drastically reduced AC loss. The low loss was achieved by using appropriate pitch angles for two-layer cable conductor of relatively large diameter, by minimizing the gaps between the HTS tapes, and by using narrow HTS tapes that conform well to the roundness of the underlying former. AC loss of 0.12W/m at 3 kArms was measured at a frequency of 60Hz and at a temperature of 77K.

KW - Long HTS AC power cable

KW - Dutch project

KW - 3 kA class YBCO cable conductor

KW - Single phase model

KW - Very low AC losses at 60Hz and 77K

KW - Concept

KW - Experiment

KW - Simulation

U2 - 10.1016/j.phpro.2012.06.291

DO - 10.1016/j.phpro.2012.06.291

JO - Physics Procedia

JF - Physics Procedia

SN - 1875-3892

VL - 36

SP - 1285

EP - 1289

ER -