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Modified DFIG Convertor Control Strategy for High Voltage Ride Through
ID：295 View Protection：ATTENDEE Updated Time：2021-12-03 10:58:18 Hits：1180 Poster Presentation

Start Time：2021-12-17 16:05（Asia/Shanghai）

Duration：5min

Session：Z Poster Session » Z11Poster Session 11: Eletric Machine Design and Control

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Abstract
Currently, wind power penetration is increased, and chain failures caused by DC blocking expose wind turbines to greater risk of high voltage ride-through (HVRT). In this paper, a modified HVRT strategy for rotor-side and grid-side converter of doubly-fed induction generator (DFIGs) is proposed. A reactive power control strategy based on voltage bias is proposed for the grid-side converter (GSC) to maintain the DC-link voltage. To support the recovery of grid voltage, a modified control strategy for DFIG’s rotor side converter is proposed. A model of the grid-connected wind farm is built in MATLAB/Simulink to test the feasibility of the proposed method. Without adding additional hardware, the proposed strategy can ensure that the DC-link voltage does not exceed the limit during HVRT process of the wind turbine, and DFIG can absorb a certain amount of inductive reactive power to support the grid voltage recovery, which improves the high voltage ride-through capability of DFIG under various operating conditions.
 
Keywords
wind turbine; high voltage ride-through; control strategy; reactive power support
Speaker
Yi Wang
IEEE Student Member North China Electric Power University； China； Beijing； Changping District

Submission Author
Yi Wang North China Electric Power University； China； Beijing； Changping District
Xu Zhang North China Electric Power University
Bowen Liu North China Electric Power University
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Important Date

  • Conference Date

    Jul 11

    2023

    to

    Aug 18

    2023

  • Nov 10 2021

    Draft paper submission deadline

  • Dec 10 2021

    Registration deadline

  • Dec 11 2021

    Contribution Submission Deadline

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IEEE IAS
Organized By
IEEE IAS Student Chapter of Southwest Jiaotong University (SWJTU)
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
IEEE PELS (Power Electronics Society) Student Chapter of HUST
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