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Impedance Modeling of D-PMSG Considering Currents Frequency Coupling
ID：88 View Protection：ATTENDEE Updated Time：2020-11-11 12:09:34 Hits：317 Poster Presentation

Start Time：Pending（12）

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Abstract
The impedance-based stability analysis is an effective method used in the analysis of subsynchronous oscillation (SSO) of wind farm. Based on the harmonic linearization theory, the impedance model of grid-connected D-PMSG is proposed, the main contribution is considering the frequency coupling of output currents. Firstly, the frequency coupling characteristic of phase locked loop (PLL) is analyzed. Then, the harmonic components in control loop are calculated. Finally, the impedance of PMSG look inside from PCC is established, and the mechanism of sub/sup-synchronous currents coupling is analyzed quantitatively. Simulation are carried out to verify the correctness of the theoretical analysis.
Keywords
impedance modeling,D-PMSG,frequency coupling,harmonic linearization,sub/sup-synchronous oscillation
Speaker
Saijun Yuan
School of Electrical Engineering, Xi’an Jiaotong University

Submission Author
Saijun Yuan School of Electrical Engineering, Xi’an Jiaotong University
Zhiguo Hao School of Electrical Engineering, Xi’an Jiaotong University
Hongyue Ma School of Electrical Engineering, Xi’an Jiaotong University
Jin Shu Xi’an Thermal Power Research Institute Co., Ltd.
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Important Date

  • Conference Date

    Oct 21

    2019

    to

    Oct 24

    2019

  • Oct 13 2019

    Abstract Notification of Acceptance

  • Oct 13 2019

    Draft paper submission deadline

  • Oct 14 2019

    Draft Paper Acceptance Notification

  • Oct 24 2019

    Registration deadline

  • Oct 29 2019

    Final Paper Deadline

Organized By
Xi'an Jiaotong University
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