Study on the Method for Analyzing Electric Network Resonance Stability
AbstractWith the increasing utilization of power electronic equipment in power systems, there has been an increase in the occurrence of oscillatory behavior from unknown sources in recent years. This paper puts forward the concept of electric network resonance stability (ENRS) analysis and tries to classify the above-mentioned oscillations into the category of ENRS. With this method, many complex power system oscillations can be analyzed with the linear network theory, which is mathematically mature. The objective of this paper is to establish a systematic approach to analyze ENRS. By introducing the s-domain nodal admittance matrix (NAM) of the electric network, this paper transforms the judgment of ENRS into the zero-point solution of the determinant of the s-domain NAM. First, the zero-points of the determinant of the s-domain NAM are proved to correspond to the eigenvalues of the system. Then, a systematic approach is proposed to analyze ENRS, which includes the identification of the dominant resonance region and the determination of the key components related to resonance modes. The effectiveness of the proposed approach for analyzing ENRS is illustrated through case studies. View Full-Text
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Xu, Z.; Wang, S.; Xing, F.; Xiao, H. Study on the Method for Analyzing Electric Network Resonance Stability. Energies 2018, 11, 646.
Xu Z, Wang S, Xing F, Xiao H. Study on the Method for Analyzing Electric Network Resonance Stability. Energies. 2018; 11(3):646.Chicago/Turabian Style
Xu, Zheng; Wang, Shijia; Xing, Facai; Xiao, Huangqing. 2018. "Study on the Method for Analyzing Electric Network Resonance Stability." Energies 11, no. 3: 646.
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