Parameter Estimation by Considering Both Voltage Dip and Phase Angle Jump for DFIG-Based WTGs in Distribution Grids

Pan, Xueping; Liang, Wei; Guo, Jinpeng; Sun, Xiaorong; Chen, Haidong

doi:10.1109/tste.2024.3404400

IEEE Trans. Sustain. Energy

2024

DOI: 10.1109/tste.2024.3404400

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Parameter Estimation by Considering Both Voltage Dip and Phase Angle Jump for DFIG-Based WTGs in Distribution Grids

Xueping Pan,

Wei Liang,

Jinpeng Guo

et al.

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2024

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Cited by 1 publication

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Impact of Phase Angle Jump on a Doubly Fed Induction Generator under Low-Voltage Ride-Through Based on Transfer Function Decomposition

Feng,

Xu,

Wang

et al. 2024

Energies

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During the fault period, a phase angle jump may occur at the stator or the point of common coupling, which will deteriorate the low-voltage ride-through (LVRT) characteristics of a doubly fed induction generator (DFIG). The existing LVRT studies focus on the impact of a voltage drop on DFIGs but often ignore that of a phase angle jump. The time-domain simulation is accurate in describing the response of a DFIG during the LVRT process, but it is time-consuming for a DFIG with the full-order model. In this paper, by using the voltage magnitude and phase angle of the stator or the point of common coupling as the inputs, and the state variables as the outputs, the transfer function of a DFIG is derived to analyze its response and find the LVRT measures against the voltage drop and, especially, the phase angle jump. Firstly, the differential-algebraic equations of the DFIG are linearized to propose their transfer function model. Secondly, considering its high-order characteristic, a model reduction method for the transfer function of the DFIG using the Schur decomposition is proposed, and the analytical expression of the output variables of the DFIG with the phase angle jump is derived by the inverse Laplace transformation to judge the necessity of the LVRT measures. Finally, the simulation results of the DFIG are provided to verify the accuracy of the transfer function model and its reduced-order form and validate the feasibility of the LVRT against the phase angle jump with the proposed models.

show abstract

Impact of Phase Angle Jump on a Doubly Fed Induction Generator under Low-Voltage Ride-Through Based on Transfer Function Decomposition

Feng,

Xu,

Wang

et al. 2024

Energies

View full text Add to dashboard Cite

show abstract

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Parameter Estimation by Considering Both Voltage Dip and Phase Angle Jump for DFIG-Based WTGs in Distribution Grids

Cited by 1 publication

References 29 publications

Impact of Phase Angle Jump on a Doubly Fed Induction Generator under Low-Voltage Ride-Through Based on Transfer Function Decomposition

Impact of Phase Angle Jump on a Doubly Fed Induction Generator under Low-Voltage Ride-Through Based on Transfer Function Decomposition

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