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. Author manuscript; available in PMC: 2020 Sep 18.
Published in final edited form as: IEEE Trans Appl Supercond. 2014 Oct 16;25(3):4301205. doi: 10.1109/tasc.2014.2363496

TABLE II.

H800 (18.79 T) IN L500 AT 4.2 K

Parameter Coil1 Coil2 Coil3
Frequency/field [MHz/[T]] 369/8.66 242/5.68 189/4.44
Ic @77K, self field (sf) [A] > 160
B [T] 4.8 4.6 3.7
Ic(B,4.2K)/Ic(77K,sf) > 2.3 > 2.3 > 2.7
Operating current/density [A]/[MA/m2 251.3/546.9
Total # DP coils (notched) 26(6) 32(8) 36(8)
# turns/pancake 185.1 121 95
# turns/notched pancake 176.6 118 93
Winding i.d. [mm] 91.0 150.7 195.9
Winding i.d. (notch) [mm] 92.4 151.2 197.2
Winding o.d. [mm] 117.6 167.9 210.1
Windingn overall height [mm] 323.7 392.1 465.7
Notched section height [mm] 74.7 122.5 98.0
SS overband radial build [mm] 7 5 3
GdBCO length/DP [m] 121.9 121.5 121.8
GdBCO length/notch DP [m] 116.7 118.7 119.3
Total length/Coil [km] 3.14 3.84 4.61
Inductance [H] 2.43 3.08 3.71
Peak bending strain [%] 0.060 0.036 0.028
Peak magnetic hoop strain [%] 0.41 0.35 0.32
Peak total hoop strain [%] 0.47 0.39 0.35
Radial strain [%] < −0.1 < −0.1 < −0.1
Rm (Eq.l for Coils 2,3) [mΩ] 17.6 9.1 9.1
τm (Eq.2 for Coils 2,3) [s] 138 624 603