This paper describes the characteristics of a linear type magnetic flux pump for compensating current in a superconducting coil with 10 A operating current. The linear type flux pump has been fabricated to use for compensating persistent current decay of HTS applications such as NMR and MRI systems. Pumping current of the linear type magnetic flux pump mainly can be controlled by frequency of AC current. In the experiment, it has been demonstrated that the linear type magnetic flux pump can effectively charge and discharge the current in the load coil of 543 mH for various frequencies with the DC bias of 10 A and the AC of 5 A/sub rms/. Moreover, experimental results of temperature distribution of a slow response PCS have been compared with simulation.
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Chung et al. (2005) studied this question.
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