Research on a Small Signal Stability Region Boundary Model of the Interconnected Power System with Large-Scale Wind Power

Wenying Liu, Rundong Ge, Quancheng Lv, Huiyong Li and Jiangbei Ge
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Wenying Liu: Electrical and Electronic Engineering Institute, Mailbox 435, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China
Rundong Ge: Electrical and Electronic Engineering Institute, Mailbox 435, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China
Quancheng Lv: Electrical and Electronic Engineering Institute, Mailbox 435, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China
Huiyong Li: Electrical and Electronic Engineering Institute, Mailbox 435, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China
Jiangbei Ge: Electrical and Electronic Engineering Institute, Mailbox 435, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China

Energies, 2015, vol. 8, issue 4, 1-25

Abstract: For the interconnected power system with large-scale wind power, the problem of the small signal stability has become the bottleneck of restricting the sending-out of wind power as well as the security and stability of the whole power system. Around this issue, this paper establishes a small signal stability region boundary model of the interconnected power system with large-scale wind power based on catastrophe theory, providing a new method for analyzing the small signal stability. Firstly, we analyzed the typical characteristics and the mathematic model of the interconnected power system with wind power and pointed out that conventional methods can’t directly identify the topological properties of small signal stability region boundaries. For this problem, adopting catastrophe theory, we established a small signal stability region boundary model of the interconnected power system with large-scale wind power in two-dimensional power injection space and extended it to multiple dimensions to obtain the boundary model in multidimensional power injection space. Thirdly, we analyzed qualitatively the topological property’s changes of the small signal stability region boundary caused by large-scale wind power integration. Finally, we built simulation models by DIgSILENT/PowerFactory software and the final simulation results verified the correctness and effectiveness of the proposed model.

Keywords: wind power; interconnected power system; catastrophe theory; small signal stability region boundary (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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