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Test results of the 100 kWh SMES model coil: AC loss performance.

Author(s) : HAMAJIMA T., HANAI S., WACHI Y., et al.

Type of article: Article

Summary

It was reconfirmed that the coupling loss of the coil could be expressed in two components: one with a short and another with a long coupling time constant. The authors found out from the Hall probe signals that the loop currents with long decay times were induced in the CIC conductor by varying magnetic field. These currents resulted in additional AC loss in the coil. To develop a concept of CIC with low AC loss, the authors made a sub-scale CIC conductor of strands coated with CuNi. They fabricated a small coil out of this conductor and measured the AC loss. The measured AC loss in this coil was about 1/6 of that in the SMES model coil.

Details

  • Original title: Test results of the 100 kWh SMES model coil: AC loss performance.
  • Record ID : 2001-2622
  • Languages: English
  • Source: Cryogenics - vol. 39 - n. 11
  • Publication date: 1999

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