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132 / 2021-10-27 15:42:41
Stability Assessment of PMSG Wind Farm SSO Based on Negative Gradient of Dynamic Energy
PMSG wind power system; sub/super synchronous oscillation; negative gradient of energy; stability assessment
Renewable energy system > Other topics in renewable energy
Final Paper
Yaqi Shen / North China Electric Power University
Jing Ma / North China Electric Power University
Concerning sub/super synchronous oscillation(SSO) caused by the integration of PMSGs to weak power grid, a method to assess system stability level quantitatively based on the negative gradient of dynamic energy is proposed. First, the function of dynamic energy of PMSG is built. And then, by calculating the negative gradient of dynamic energy of PMSG, which can quantitatively characterize the accumulation or consumption of dynamic energy during oscillation, the stability criteria of SSO can be established. On this basis, the detailed expressions of the negative gradient that contain PLL parameters, equivalent transmission line and stable operating point are derived, and the pattern where system parameters affect the stability of SSO is revealed. Finally, a model of PMSG wind farm is built in RT-LAB for hardware-in-the-loop tests. Simulation results verify that, in different system parameter variation cases, the proposed method can accurately assess system stability quantitatively.
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

Sponsored By
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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