Current Distribution Analysis for High Temperature Superconducting Cable Considering Hysteresis Characteristics

IOS Press
Publication Type:
Journal Article
International Journal Of Applied Electromagnetics And Mechanics, 2010, 33 (1-2), pp. 511 - 517
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This paper presents a hysteresis model for TypeII high temperature superconductor (HTS) by using simplified Preisach Model, in which the Preisach distribution function μk (alpha, beta) is determined only based on the B â H limiting loop. The nonlinear dynamic circuit model of the superconductor is established. In the circuit model, the hysteresis inductance and hysteresis loss described by using simplified Preisach Model are deduced. Applying the hysteresis circuit model, the currents flowing in different superconductor layers of high temperature superconducting cable are simulated, as well as the hysteresis loss of the superconducting cable. The simulation results are verified by comparison with the data recorded in literatures. Finally, the influences of hysteresis on superconducting cable are analyzed and discussed.
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