Modeling and Characterization of a ReBCO HTS Degaussing Demonstrator

I. Hanse, D.P. Wikkerink, R. Keijzer, M. Dhalle, H.H.J. ten Kate, H.J.M. ter Brake

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The magnetic modelling and experimental validation of a superconducting degaussing system for maritime vessels is discussed. Degaussing coils compensate for the distortion in the earths’ magnetic field by the magnetized steel hull of a ship, thus rendering it ‘invisible’ for magnetic field sensors. Whereas typical power requirements with copper coils are of the order of 100 kW, a ReBCO HTS degaussing system in principle allows to reduce this by an order of magnitude. In order to validate such efficiency estimates and to demonstrate the required hardware, a table-top test setup was realized with magnetic ship steel. The vessel-imitating cylindrical demonstrator is equipped with six degaussing coils, grouped in three sets that act in two different directions, with each set consisting of one copper and one ReBCO coil, the latter one equipped with a sub-cooled forced-flow liquid nitrogen system. Static magnetic field measurements are reported and compared to both analytical and numeric finite element models. The results illustrate how even relatively simple analytical models can be used as a powerful tool to extrapolate design parameters and thus to predict the power requirements of large-scale degaussing systems.

Original languageEnglish
Article number4901705
Number of pages5
JournalIEEE transactions on applied superconductivity
Issue number6
Early online date8 Jun 2022
Publication statusPublished - 1 Sept 2022


  • 2G HTS Conductors
  • Analytical models
  • Coils
  • Electron tubes
  • Finite element methods
  • High-temperature superconductors
  • HTS Cables
  • HTS coils
  • Magnetic field measurement
  • Magnetic fields
  • modeling
  • Superconducting magnets
  • 22/2 OA procedure
  • 2G HTS conductors
  • finite element methods


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