Instrumentation for Magnetic Measurements of the Superconducting Magnets

Алферов, В. Н.; Bordanovsky, Y.; Fedorchenko, V.; Kholkin, A. L.; Lutchev, A. V.; Pokrovsky, V.; Soloviev, Vladimir O.; Tkachenko, L.; Vasiliev, D. A.

doi:10.1109/tasc.2011.2176706

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Matrix Harmonic Coil1

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2021

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“…Tangential coil is more sensitive to the radial components of a magnetic field, and more suitable for measuring quadrupole, sextupole and other 2𝑛-pole magnets with a radial magnetic field gradient [3,4]. We used a matrix tangential coil [5][6][7] to take quadrupole and sextupole measurements after assembly. The tangential harmonic coil is winded of copper wire, consisting of 15 sub-coils, 5 columns in radial direction and 3 rows in axial direction.…”

Section: Matrix Harmonic Coilmentioning

confidence: 99%

Cold Test of a Superconducting Quadrupole-Sextupole Nested CCT Prototype using matrix harmonic coil

Yang¹,

Yang²,

Ou³

et al. 2021

J. Inst.

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IMP (Institute of Modern Physics) has been developing a Quadrupole-Sextupole nested CCT (Canted Cosine Theta Type) prototype for the HFRS (High Energy Fragment Separator) beamline of HIAF (High Intensity Heavy-ion Accelerator Facility) project. Hence a matrix harmonic coil method has been developed for magnetic field quality measurement of multi-pole nested magnets. Furthermore, a whole set of measurement system has been constructed and some special mechanical components, like cold bore, have been set up to cooperate with matrix harmonic coil measurement. After cold test at 4.2 K, the measurement results prove that the prototype property and field quality basically meets our requirement, and matrix harmonic coil also functioning well.

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Section: Matrix Harmonic Coilmentioning

confidence: 99%