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Energies 2017, 10(8), 1199; https://doi.org/10.3390/en10081199

Preventive Security-Constrained Optimal Power Flow Considering UPFC Control Modes

1
School of Electrical Engineering, Southeast University, Nanjing 210096, China
2
Jiangsu Electric Power Company Economic Research Institute, Nanjing 211102, China
*
Author to whom correspondence should be addressed.
Received: 18 June 2017 / Revised: 26 July 2017 / Accepted: 10 August 2017 / Published: 13 August 2017
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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. View Full-Text
Keywords: UPFC; control mode; security-constrained; optimal power flow UPFC; control mode; security-constrained; optimal power flow
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Wu, X.; Zhou, Z.; Liu, G.; Qi, W.; Xie, Z. Preventive Security-Constrained Optimal Power Flow Considering UPFC Control Modes. Energies 2017, 10, 1199.

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