抄録
The temperature rise characteristics of the induction motor can be calculated, if the copper loss, the iron loss and thermal model constants are given. The thermal model constants of the wound rotor type induction motor are calculated for the various value of rotor resistance. The thermal unit capacities of coils (Hc) and iron cores (Hf) are made to hold constant. The temperature rise and the time constant for the intermittent operation of the induction motor are calculated within the error of 3°C and 8 minutes. The influence of the value of source voltage and rotor resistance for the induction motor were analyzed, and the value calculated by using thermal model constants were similar to the measured value.
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