An improved three phase variable band hysteresis current regulator

  title={An improved three phase variable band hysteresis current regulator},
  author={D. G. Holmes and Reza Davoodnezhad and B. P. McGrath},
  journal={8th International Conference on Power Electronics - ECCE Asia},
This paper presents an improved variable band hysteresis current controller for a two level three phase voltage source inverter. The controller takes the average voltages of the phase-leg switched outputs as an approximation to the load back-EMFs, and uses this result to vary the hysteresis bands to maintain constant phase leg switching frequencies. The switching frequency control process is then further refined by fine tuning the hysteresis band variations to synchronise the zero crossings of… CONTINUE READING
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