Quantitative assessment of static voltage stability for power system with high-penetration wind power based on energy function

Zhang, Jian; Ma, Ruicong; Cao, Yongji; Zou, Shihao; Li, Changgang

doi:10.1016/j.egyr.2024.06.069

Energy Reports

2024

DOI: 10.1016/j.egyr.2024.06.069

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Quantitative assessment of static voltage stability for power system with high-penetration wind power based on energy function

Jian Zhang,

Ruicong Ma,

Yongji Cao

et al.

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Cited by 1 publication

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Parameter Identification of Synchronous Condenser and Its Excitation System Considering Multivariate Coupling and Symmetry Characteristic

Cao,

Song,

Liu

et al. 2024

Symmetry

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The multivariate coupling and symmetry characteristic of a synchronous condenser and its excitation system (SCES) poses a challenge for parameter identification. This paper proposes a parameter identification approach for the SCES considering multivariate coupling and symmetry characteristics. The key parameters of the synchronous condenser under different time scales are selected. Then, the sensitivity analysis method is utilized to classify the parameters and establish the sets of coupling variables. In addition, the response mechanism and characteristics of the SCES under steady-state, sub-transient, and transient conditions are analyzed, based on which the parameter identification models are established separately. Moreover, the measurement data noise is processed by the wavelet threshold denoising method. According to the coupling variable sets, an improved snake optimization method based on Tent chaotic mapping is adopted for a solution. A case study is conducted to validate the effectiveness of the proposed approach. The results show that the proposed approach is able to improve the identification precisely and reduce the mode response error.

show abstract

Parameter Identification of Synchronous Condenser and Its Excitation System Considering Multivariate Coupling and Symmetry Characteristic

Cao,

Song,

Liu

et al. 2024

Symmetry

View full text Add to dashboard Cite

show abstract

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Quantitative assessment of static voltage stability for power system with high-penetration wind power based on energy function

Cited by 1 publication

References 41 publications

Parameter Identification of Synchronous Condenser and Its Excitation System Considering Multivariate Coupling and Symmetry Characteristic

Parameter Identification of Synchronous Condenser and Its Excitation System Considering Multivariate Coupling and Symmetry Characteristic

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