PROJECT TITLE :
Maximum Efficiency per Torque Direct Flux Vector Control of Induction Motor Drives
In this paper, a loss-minimizing strategy is proposed for induction motor drives to make sure most efficiency operation for a given torque demand. The proposed strategy directly regulates the machine stator flux, in step with the desired torque, using an optimal stator flux reference. Thus, the proposed strategy is suitable for motor management schemes that are based on direct flux regulation, such as direct torque management or direct flux vector control. The utmost potency per torque (MEPT) stator flux map is computed offline using the ancient no-load and short-circuit test knowledge. An iron loss model primarily based on the stator flux and frequency is additionally proposed for the calibration of the machine loss model and also for online monitoring of the iron losses throughout motor operation. The proposed MEPT strategy has been validated on a 2.two-kW induction machine, and therefore the motor potency has been measured for different speed values and variable load conditions. The experimental results confirm the effectiveness of the proposed solution.
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