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Online optimization method of system protection setting value based on transient minimum frequency prediction model.pdf
ID：385 View Protection：ATTENDEE Updated Time：2022-05-21 16:05:59 Hits：310 Poster Presentation

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Abstract
Abstract—Bulk power grid security coordinated defense system plays an important role in quick frequency recovery due to large-scale power shortage after DC fault. The off-line setting value of system protection has high risk of severe mismatch with the grid operation situation. Therefore, an online optimization method of system protection setting based on transient minimum frequency prediction model is proposed. According to influencing factors of transient minimum frequency, prediction model of transient minimum frequency is established. Parameters of transient minimum frequency prediction model are determined according to transient simulation results of real-time power grid operation situation. System protection setting value are optimized by the combination of transient minimum frequency prediction model and frequency control target. The effectiveness of the method is verified by an example of AC/DC hybrid power grid.


 
Keywords
system protection; transient frequency; DC block; setting value optimization
Speaker
ZhouRui
南瑞集团有限公司

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Important Date

  • Conference Date

    May 27

    2022

    to

    May 29

    2022

  • Feb 28 2022

    Draft paper submission deadline

  • May 29 2022

    Registration deadline

  • Jun 22 2022

    Contribution Submission Deadline

Sponsored By
IEEE Beijing Section
China Electrotechnical Society
Southeast University
Supported By
IEEE Industry Applications Society
IEEE Nanjing Section
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