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Cooling plates heat loss estimation for 50 kJ HTS SMES using coupled magneto-thermal transient analysis with a varying ramp rate Anand Ankit*, Gour Abhay Singh, Datt T. S., Rao Vutukuru Vasudeva Cryogenic Engineering Centre, Indian Institute of Technology, Kharagpur *E-mail ID: aankit.iitkgp@gmail.com
Online published on 4 December, 2023. A Superconducting Magnet Energy Storage (SMES) system made out of a High Temperature Superconductor (HTS) having a solenoidal structure is in the form of a single or double pancake assembly. Due to the flat tape-like structure cooling plates made of copper are often employed to provide cooling to the internal layers of tapes. These plates are directly connected to the cryocooler or exposed to cryogen. These plates act as a heat sources in the refrigeration system due to AC losses that occurred during the charging and discharging of the magnet. The cooling plate was made up of copper having high electrical and thermal conductivity. A magneto-thermal coupled simulation was performed to estimate the heat loss. The graph between the current ramp rate and total loss is obtained. Based on this, an increase in temperature rise was determined. Higher ramp rate tends to increase the cooling plate temperature significantly in comparison with low ramp rate. Top Keywords HTS SMES, Cooling Plates, Heating. Top | | | |
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