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The purpose of this paper is to analyze and investigate the influence of temperature variation on the characteristics and performance of interior permanent magnet (IPM) machines. The impact of temperature variation on the materials of IPM machines is discussed to show the sources of performance variation. The flux linkages and torque output capability variation as functions of the temperature of are...
In this paper, a model is developed to incorporate the magnetic hysteresis effects into a brushless exciter dq-axes model. The developed model reconstructs the magnetization flux linkage-current loops using few measured parameters. The model can also achieve computationally efficient simulation by utilizing the Energetic model for the steel hysteresis loop modeling. The developed model is then applied...
Calorimetric and magnetic AC loss measurements were made on a pair of TQ (ldquotechnology quadrupolerdquo) class cables, one with and the other without a stainless steel core. The coupling losses are compared to the cables' hysteretic losses determined at the same time; the latter being compared to the magnetically measured hysteretic losses of individual strand segments. The outcomes of these measurements...
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