TQC03e Test Status  Magnetic measurements at 300 K  Z-scan at ±10 A  Magnetic measurements at 4.6 K (I max up to 6.5 kA)  Quench training and ramp rate study at 4.6 K  Magnetic measurements at 4.6 K (I max up to 11 kA)  Quench training and ramp rate study at 1.9 K  Magnetic measurements at 1.9 K  Temperature dependence study  Quench plateau verification and magnetic measurements at 4.6 K  Splice measurements  RRR measurements

TQC03e coils  TQ coils 30, 31, 32 and 33 in a collared structure  Dipole style collars  0.7-mm Nb 3 Sn strand of RRP 108/127 sub-element design Filament diameter: ~ 50 µm Cu fraction: 54 % Jc(12 T, 4.2 K): 2770 A/mm 2  Coils previously tested at CERN TQS03a - 93% of SSL TQS03b - 91% of SSL TQS03c - 88% of SSL

SSL estimate  4.6 K and 1.9 K parameterizations by Arno Godeke, load line by Vadim Kashikhin

TQC03e voltage taps Lead End view

TQC03e Quench History 4.6 K 1.9 K K4.6 K

TQC03e Quench History

Ramp rate dependence

Temperature dependence

TQC03e & TQS03 quench training

TQC03e magnetic measurements  Magnetic measurements at 300 K  Z-scan at ±10 A  Magnetic measurements at 4.6 K  Z-scan at 6500 A  Eddy current loops from 0 A to 6400 A at 20 A/s, 40 A/s and 80 A/s  Eddy current loops from 320 A to 6400 A at 20 A/s  Eddy current loops from 720 A to 6400 A at 20 A/s  Accelerator profile with injection plateau at 720 A, 1400 A and 2800 A  Stair steps (ramp up and down) from 1000 A to 6000 A  Magnetic measurements at 4.6 K (I max up to 11 kA)  Magnetic measurements at 1.9 K  More measurements at 4.6 K ?  Very preliminary results

Eddy current loops: different current range 20 A/s

Eddy current loops: different ramp rates 20 A/s 40 A/s 80 A/s 720 A 1400 A 2800 A

Accelerator profile Injection plateau at 720 A 1400 A 2800 A

Backup Slides

Accelerator profile Injection plateau at 720 A 1400 A 2800 A

Azimuthal SG (coil 30 pole): Excitation