Sensorless operation of an Active Front End converter with LCL filter

  title={Sensorless operation of an Active Front End converter with LCL filter},
  author={Grzegorz Wrona and Kamil Malon},
  journal={2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE)},
In this paper sensorless control method fora an Active Front End (AFE) converter is presented. Developed algorithm is based on Voltage Oriented Control (VOC), extended by additional Voltage Dips Compensation (VDC) module. Moreover improved Virtual Flux (VF) estimator based on SOGI-QSG for LCL filter has been shown. This new sensorless control method can assure sinusoidal and balanced grid currents even during strong voltage dips. To avoid large current overshoots, new universal startup… CONTINUE READING
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