Fast harmonic detection based on cascaded delayed signal cancellation PLL

  title={Fast harmonic detection based on cascaded delayed signal cancellation PLL},
  author={Yi Wang and Yun Wei Li},
  journal={2011 IEEE Energy Conversion Congress and Exposition},
Fast and accurate selective harmonic detection is crucial for many power harmonic compensation systems. The existing detection methods are known to have drawbacks such as the long delay time, the sensitivity to grid frequency variation, the difficulty to achieve zero steady-state error, etc. In order to overcome these drawbacks, this paper proposes a selective harmonic detection system based on the three-phase cascaded delayed signal cancellation phase-locked loop (CDSC-PLL). The system can be… CONTINUE READING
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