Direct method of overmodulation with integrated closed loop stator flux vector control

  title={Direct method of overmodulation with integrated closed loop stator flux vector control},
  author={Anshuman Tripathi and A. M. Khambadkone and S. K. Panda},
  journal={IEEE Transactions on Power Electronics},
Overmodulation achieves full utilization of installed dc link voltage, by modifying the magnitude and the phase of reference voltage vector. Due to the nonlinear behavior in this region, closed loop vector control becomes difficult. A simple method of overmodulation with closed loop control of stator flux vector is proposed in this paper. Instead of modifying the voltage reference by nonlinear equations or look up table, we propose a direct method to generate the switching times. In so doing… CONTINUE READING


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