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Loss Minimization Control of Interior Permanent Magnet Synchronous Motors Considering Self-Saturation and Cross-Saturation

  • Pairo, Hamidreza (Dept. of Electrical Engineering, Iran University of Science and Technology) ;
  • Khanzade, Mohammad (Dept. of Information and Communication Technology, Comprehensive Imam Hosein University) ;
  • Shoulaie, Abbas (Dept. of Electrical Engineering, Iran University of Science and Technology)
  • Received : 2017.07.13
  • Accepted : 2018.04.11
  • Published : 2018.07.20

Abstract

In this paper, a loss minimization control method for interior permanent magnet synchronous motors is presented with considering self-saturation and cross saturation. According to variation of the d-axis and q-axis inductances by different values of the d-axis and q-axis components of currents, it is necessary to consider self-saturation and cross saturation in the loss minimization control method. In addition, the iron loss resistance variation due to frequency variation is considered in the condition of loss minimization. Furthermore, the loss minimization control method is compared with maximum torque per ampere (MTPA), unity power factor (UPF) and $i_d=0$ control methods. Experimental results verify the performance and proper dynamic response of the loss minimization control method with considering self-saturation and cross saturation.

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