An Improved Traveling-Wave Protection Scheme for LCC-HVDC Transmission Lines

@article{Wu2017AnIT,
  title={An Improved Traveling-Wave Protection Scheme for LCC-HVDC Transmission Lines},
  author={Jiyang Wu and Haifeng Li and Gang Wang and Yuansheng Liang},
  journal={IEEE Transactions on Power Delivery},
  year={2017},
  volume={32},
  pages={106-116}
}
Line-commutated converter-based-high-voltage direct-current (LCC-HVDC) transmission technology has been developing very rapidly. However, the sensitivity and reliability of HVDC line protection require further improvement. An analysis of different line fault types is conducted to show that the normalized voltage change rate without the influence of wave propagation can more effectively distinguish between internal and external faults with high fault resistances. Owing to the difficulty of… CONTINUE READING

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