Preventive Security-Constrained Optimal Power Flow Considering UPFC Control Modes

Xi Wu, Zhengyu Zhou, Gang Liu, Wanchun Qi and Zhenjian Xie
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Xi Wu: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Zhengyu Zhou: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Gang Liu: Jiangsu Electric Power Company Economic Research Institute, Nanjing 211102, China
Wanchun Qi: Jiangsu Electric Power Company Economic Research Institute, Nanjing 211102, China
Zhenjian Xie: Jiangsu Electric Power Company Economic Research Institute, Nanjing 211102, China

Energies, 2017, vol. 10, issue 8, 1-15

Abstract: The successful application of the unified power flow controller (UPFC) provides a new control method for the secure and economic operation of power system. In order to make the full use of UPFC and improve the economic efficiency and static security of a power system, a preventive security-constrained power flow optimization method considering UPFC control modes is proposed in this paper. Firstly, an iterative method considering UPFC control modes is deduced for power flow calculation. Taking into account the influence of different UPFC control modes on the distribution of power flow after N-1 contingency, the optimization model is then constructed by setting a minimal system operation cost and a maximum static security margin as the objective. Based on this model, the particle swarm optimization (PSO) algorithm is utilized to optimize power system operating parameters and UPFC control modes simultaneously. Finally, a standard IEEE 30-bus system is utilized to demonstrate that the proposed method fully exploits the potential of static control of UPFC and significantly increases the economic efficiency and static security of the power system.

Keywords: UPFC; control mode; security-constrained; optimal power flow (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: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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