Influence of pitch length and winding direction on four-Layer HTSC power transmission cable with a shield Layer

The design for even current sharing in high-T/sub C/ superconducting (HTSC) power transmission cable is required to increase the current transmission capacity and decrease the AC loss. Increasing the contact resistance of each layer is effective method for achieving the uniform current distribution...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2005-06, Vol.15 (2), p.1735-1738
Main Authors: LIM, Sung-Hun, YIM, Seong-Woo, HWANG, Si-Dole, HAN, Byoung-Sung
Format: Article
Language:English
Subjects:
Applied sciences
Cable shielding
Cables
Computer simulation
Contact resistance
Current distribution
Current sharing
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Exact sciences and technology
High
Mathematical analysis
pitch length
Power cables
Power transmission
Propagation losses
shield layer
Shields
Superconducting cables
Superconducting epitaxial layers
Superconducting transmission lines
Superconductivity
uniform current distribution
Various equipment and components
Winding
winding direction
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Summary:The design for even current sharing in high-T/sub C/ superconducting (HTSC) power transmission cable is required to increase the current transmission capacity and decrease the AC loss. Increasing the contact resistance of each layer is effective method for achieving the uniform current distribution among conducting layers. However, this method increases the power loss and causes the efficiency of HTSC cable system to decrease. Another method to adjust the pitch length and the winding direction of each layer is complicated, which is difficult for the cable designer to find a simple solution for the uniform current distribution. In this paper, we investigated the current distribution of HTSC cable dependent on the pitch length and the winding direction of each layer for two cases: four-layer HTSC cable with a shield layer and four-layer HTSC cable without a shield layer. It could be found through the analysis from the computer simulations that the shield layer of HTSC cable could contribute to the improvement of current distribution of each layer at the specific pitch length and winding direction. The result and discussion for the current distribution calculated for HTSC power transmission cable with a shield layer were presented and compared with the cable without a shield layer.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2005.849269