Abstract
The purpose of this paper is to present and analyze the energetic performance of a traction induction motor for autonomous vehicles controlled at constant magnetic rotor flux. It follows the first part paper, in which the attention has been directed towards the control of constant stator flux and constant magnetization flux. The working algorithm is the same as the one described in Part 1, the analysis being done under the following two aspects: the mechanical characteristics and the speed control at constant torque or constant power, respectively. In the second part of this paper, a comparative analysis of the main performance indicators associated to the three control methods (constant stator flux, constant magnetizing flux and constant rotor flux) is presented. Among the quantities envisaged, there are the efficiency, power factor, input current and the rms value of the needed supply voltage.
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