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103 / 2022-07-03 17:19:21
Research on Quantitative Risk Assessment and Prevention and Control Measure of Subsynchronous Oscillation
subsynchronous oscillation,direct-drive PMSG,assessment index,sensitivity
Power System and Automation > Other topics in Power system
Draft Accepted
Song He / Nanjing Normal University
Feng Luo / NARI Group Corporation (State Grid Electric Power Research Institute)
Yingjie Chen / NARI Group Corporation (State Grid Electric Power Research Institute)
Naishuang Li / NARI Group Corporation (State Grid Electric Power Research Institute)
Weilun Ni / NARI Group Corporation (State Grid Electric Power Research Institute)
With the wide access of wind power and other renewable energy, subsynchronous oscillation accidents have occurred many times in power grid. Subsynchronous oscillation has a negative impact on the secure and stable operation of the system. It has become one of the important factors restricting the consumption of renewable energy. In order to suppress the occurrence of subsynchronous oscillation, the mathematical model of direct-drive permanent magnet synchronous generator (PMSG) is established and its impedance formula is derived in this paper. Based on the principle of impedance analysis, a quantitative risk assessment index for subsynchronous oscillation is proposed. On this basis, according to the sensitivity of control system’s parameters to the quantitative risk assessment index, a preventive control measure to suppress the occurrence of subsynchronous oscillation is proposed. The effectiveness of the proposed control measure is verified by time domain simulation.

 
Important Date

  • Conference Date

    Nov 03

    2022

    to

    Nov 05

    2022

  • Aug 01 2022

    Draft paper submission deadline

  • Nov 04 2022

    Registration deadline

  • Nov 05 2022

    Contribution Submission Deadline

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Huazhong University of Science and Technology
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