TY - JOUR
T1 - Comparison between Simulation and Experimental Results of Liquid Nitrogen Coolant Distribution in a 66-kV 40-m Model HTS Power Cable System Experiencing Short-Circuit Accidents
AU - Horita, Daichi
AU - Agatsuma, Koh
AU - Ishiyama, Atsushi
AU - Masuda, Takato
AU - Morimura, Toshiya
AU - Mimura, Tomoo
N1 - Funding Information:
Manuscript received October 26, 2018; accepted January 23, 2019. Date of publication January 28, 2019; date of current version February 26, 2019. This work was supported by the New Energy and Industrial Technology Development Organization (NEDO). D. Horita, K. Agatsuma, and A. Ishiyama are with the Department of Electrical Engineering and Bioscience, Waseda University, Tokyo 169-8555, Japan (e-mail:,atsushi@waseda.jp). T. Masuda and T. Morimura are with the Sumitomo Electric Industries Ltd., Osaka 554-0024, Japan (e-mail:,masuda-takato@sei.co.jp). T. Mimura is with the Tokyo Electric Power Company, Yokohama 230-8510, Japan (e-mail:,mimura.tomoo@tepco.co.jp). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2019.2895676
Publisher Copyright:
© 2002-2011 IEEE.
PY - 2019/8
Y1 - 2019/8
N2 - In this study, a computer program was developed to simulate the temperature and pressure distributions of a liquid nitrogen (LN) coolant in a higherature superconducting (HTS) power cable. This program is important for realizing a practical HTS power cable. According to the Japanese criterion for a 66-kV power-transmission system, in a worst case short-circuit accident, a fault current of 31.5 kA may flow in a 66-kV cable system for 2 s. In addition, when a short-circuit accident occurs, the temperature and pressure of an LN coolant increase rapidly The temperature behaviors of the cable cores and coolant were analyzed by solving the nonlinear partial differential heat-conduction equations in the cable cores by considering the energy balance of the heat flow by using the finite-difference method. Moreover, the pressure behaviors of the coolant in a cooling system were analyzed, considering the density and volume behaviors of the coolant. The simulation results for the 66-kV 40-m model cable qualitatively reproduced the experimental results satisfactorily.
AB - In this study, a computer program was developed to simulate the temperature and pressure distributions of a liquid nitrogen (LN) coolant in a higherature superconducting (HTS) power cable. This program is important for realizing a practical HTS power cable. According to the Japanese criterion for a 66-kV power-transmission system, in a worst case short-circuit accident, a fault current of 31.5 kA may flow in a 66-kV cable system for 2 s. In addition, when a short-circuit accident occurs, the temperature and pressure of an LN coolant increase rapidly The temperature behaviors of the cable cores and coolant were analyzed by solving the nonlinear partial differential heat-conduction equations in the cable cores by considering the energy balance of the heat flow by using the finite-difference method. Moreover, the pressure behaviors of the coolant in a cooling system were analyzed, considering the density and volume behaviors of the coolant. The simulation results for the 66-kV 40-m model cable qualitatively reproduced the experimental results satisfactorily.
KW - Cooling system
KW - LN coolant
KW - fault current
KW - higherature superconducting power cable
KW - saturation temperature
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U2 - 10.1109/TASC.2019.2895676
DO - 10.1109/TASC.2019.2895676
M3 - Article
AN - SCOPUS:85062881596
VL - 29
JO - IEEE Transactions on Applied Superconductivity
JF - IEEE Transactions on Applied Superconductivity
SN - 1051-8223
IS - 5
M1 - 5401305
ER -