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Energies 2017, 10(11), 1738; https://doi.org/10.3390/en10111738

New Approach for Optimal Location and Parameters Setting of UPFC for Enhancing Power Systems Stability under Contingency Analysis

1
School of Electrical and Electronics Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2
State Grid Hubei Electric Power Company Technology, Project No. 52153816000Y, Wuhan 430074, China
3
School of Electrical, Computer and Telecommunication Engineering, University of Wollongong, Wollongong, NSW 2522, Australia
4
Department of Electrical Engineering, COMSATS Institute of Information Technology, Wah Cantt 47040, Pakistan
5
Department of Electrical Engineering, Bahria University, Islamabad 44000, Pakistan
*
Author to whom correspondence should be addressed.
Received: 13 September 2017 / Revised: 22 October 2017 / Accepted: 23 October 2017 / Published: 30 October 2017
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Abstract

Operation of power system within specified limits of voltage and frequency are the major concerns in power system stability studies. As power system is always prone to disturbances, which consequently affect the voltage instability and optimal power flow, and therefore risks the power systems stability and security. In this paper, a novel technique based on the “Artificial Algae Algorithm” (AAA) is introduced, to identify the optimal location and the parameters setting of Unified Power Flow Controller (UPFC) under N-1 contingency criterion. In the first part, we have carried out a contingency operation and ranking process for the most parlous lines outage contingencies while taking the transmission lines overloading (NOLL) and voltage violation of buses (NVVB) as a performance parameter (PP = NOLL + NVVB). As UPFC possesses too much prohibitive cost and larger size, its optimal location and size must be identified before the actual deployment. In the second part, we have applied a novel AAA technique to identify the optimal location and parameters setting of UPFC under the discovered contingencies. The simulations have been executed on IEEE 14 bus and 30 bus networks. The results reveals that the location of UPFC is significantly optimized using AAA technique, which has improved the stability and security of the power system by curtailing the overloaded transmission lines and limiting the voltage violations of buses. View Full-Text
Keywords: optimal power flow; Artificial Algae Algorithm (AAA); Unified Power Flow Controller (UPFC); contingency; Performance Parameter (PP) optimal power flow; Artificial Algae Algorithm (AAA); Unified Power Flow Controller (UPFC); contingency; Performance Parameter (PP)
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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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Zahid, M.; Chen, J.; Li, Y.; Duan, X.; Lei, Q.; Bo, W.; Mohy-ud-din, G.; Waqar, A. New Approach for Optimal Location and Parameters Setting of UPFC for Enhancing Power Systems Stability under Contingency Analysis. Energies 2017, 10, 1738.

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