Study on the influence of UPFC on pilot protective relaying of transmission line

@article{Kong2016StudyOT,
  title={Study on the influence of UPFC on pilot protective relaying of transmission line},
  author={Xiangping Kong and Xinyue Gong and Lei Gao and Peng Li},
  journal={2016 China International Conference on Electricity Distribution (CICED)},
  year={2016},
  pages={1-5}
}
In order to enhance the power transmission capability of the west Nanjing power grid, the unified power flow controller (UPFC) project has been put into operation. However, the presence of UPFC would adversely impact the performance of transmission line pilot protective relaying, since it changes the features of the fault voltage and current measured by the relay. Based on brief introduction of the UPFC project and its protection system, the influence of UPFC on pilot zero-sequence protection… CONTINUE READING

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