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Published byReynard Ford Modified over 8 years ago
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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
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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
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SSL estimate 4.6 K and 1.9 K parameterizations by Arno Godeke, load line by Vadim Kashikhin
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TQC03e voltage taps 31 30 32 33 Lead End view
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TQC03e Quench History 4.6 K 1.9 K 2.1-3.6 K4.6 K
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TQC03e Quench History
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Ramp rate dependence
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Temperature dependence
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TQC03e & TQS03 quench training
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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
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Eddy current loops: different current range 20 A/s
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Eddy current loops: different ramp rates 20 A/s 40 A/s 80 A/s 720 A 1400 A 2800 A
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Accelerator profile Injection plateau at 720 A 1400 A 2800 A
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Backup Slides
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Accelerator profile Injection plateau at 720 A 1400 A 2800 A
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Azimuthal SG (coil 30 pole): Excitation
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