A novel frequency-adaptive PLL for single-phase grid-connected converters

@article{Fang2010ANF,
  title={A novel frequency-adaptive PLL for single-phase grid-connected converters},
  author={Xiong Fang and Yue Wang and Ming Li and Jinjun Liu},
  journal={2010 IEEE Energy Conversion Congress and Exposition},
  year={2010},
  pages={414-419}
}
This paper presents a novel frequency-adaptive Phase-Locked Loop (PLL) for single-phase grid-connected power converters. The orthogonal component in the rotating reference frame is generated by a synthesis circuit which utilizes the detected amplitude and phase. It's frequency-adaptive without using any additional circuits. Moreover, a special improved synthesis circuit PLL is proposed to make sure the PLL work well under low-order harmonics distortion condition. These structures are simple and… CONTINUE READING
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