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Suppression Strategy of Subsynchronous Oscillation Caused by Grid-connected Direct-drive Fan
ID：415 View Protection：ATTENDEE Updated Time：2022-05-21 15:58:38 Hits：297 Poster Presentation

Start Time：Pending（Asia/Shanghai）

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Abstract
The subsynchronous oscillation caused by the grid-connected direct-drive fan is a new type of oscillation mode, which has an adverse effect on the stability of the system. Aiming at the influence of current inner loop, voltage outer loop parameters in grid-side converter control and grid-side lines on subsynchronous oscillation, a two-layer objective optimization model predictive control method considering delay compensation is proposed to replace traditional PI control. The control method tracks the reference current with the rolling optimization method, designs a two-layer objective function, and considers the current error and the DC voltage error at the same time. Through simulation comparison and verification, the proposed method has better stability and adaptability in weakly connected power grids and other working conditions.
 
Keywords
direct drive fan; grid-side converter; subsynchronous oscillation; model predictive control
Speaker
Tong Zhou
大连理工大学

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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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