A Novel Fault Current Limiter for MMC-Based HVDC System
ID:320 View Protection:ATTENDEE Updated Time:2020-11-11 12:10:29 Hits:129 Poster Presentation

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In the modular multilevel converter (MMC)-based HVDC system, the fault current rises rapidly when a dc side fault occurs. To avoid the damage to the semi-conductors, fault current limitation is quite necessary. For the fault current limiter proposed in this paper, the current flows through the thyristers in the normal operation state, while it will flow through the current limiting resisters due to the turning off of the thyristers by the commutation capacitor in the case of a dc line fault. To provide theoretical basis to the choice of the main parameters of the fault current limiter, this paper analyzed the current of every branch in the fault current limiter. The simulation results of the model built in PSCAD/EMTDC verified the effectiveness of the fault current limiter.
MMC,Fault current limitation,Current-limiting resister,Short-circuit fault
Guibin Zou
Shandong University

Submission Author
Qiang Huang Shandong University
Guibin Zou Shandong University
Houlei Gao Shandong University
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  • Conference Date

    Oct 21



    Oct 24


  • Oct 13 2019

    Abstract Notification of Acceptance

  • Oct 13 2019

    Draft paper submission deadline

  • Oct 14 2019

    Draft Paper Acceptance Notification

  • Oct 29 2019

    Final Paper Deadline

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Xi'an Jiaotong University
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