Temperature and frequency effects in a high-performance superconducting bearing

A. C. Day, J.R. Hull, M. Strasik, Philip E. Johnson, K.E. McCrary, J.A. Edwards, J.A. Mittleider, Jürgen Schindler, R.A. Hawkins, M.L. Yoder

IEEE Transactions on Applied Superconductivity · 2003 · 33 citations · 10 references

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Abstract

A high-temperature superconducting (HTS) bearing was fabricated and tested by itself and as a component in a 1-kWh and a 10-kWh flywheel energy system (FES). The rotational losses of the HTS bearing as a function of rotational rate and HTS temperature were determined. The 1-kWh FES was tested with a motor/generator and with an eddy current clutch to determine the motor/generator losses.

References

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