Enhancement of Voltage Stability with Unified Power Flow Controller Considering Loadability Analysis

Authors

  • Samuel Sunday Yusuf Department of Electrical Engineering, Ahmadu Bello University Zaria, Kaduna State, Nigeria
  • Patrick Ubeh Okorie Ahmadu Bello University Zaria, Nigeria
  • Adamu Saidu Abubakar Ahmadu Bello University Zaria, Nigeria
  • Illiasu Onimisi Momoh Ahmadu Bello University Zaria, Nigeria
  • Fahad Alhassan Ahmadu Bello University Zaria, Nigeria

Keywords:

Power System Security, Line Voltage Stability Index, UPFC, Grey Wolf Optimization, Contingency

Abstract


Voltage stability is an important issue in planning and operation of electric power system during both normal and under contingency conditions. This paper presents line voltage stability index (LVSI) for transmission lines voltage stability assessment and evaluation. The system stability under maximum loading and contingency conditions are analyzed using optimal power flow analysis. FACTS device is considered for a real-time control and a dynamic reactive power compensation of the system. Voltage source-based power injection model of unified power flow controller (UPFC) is used for the minimization of voltage deviation and losses on the network. Optimal location and sizing of UPFC is carried out using grey wolf optimization (GWO) technique in order to identify an optimal location where the FACTS device will be installed. UPFC device has proven to increase the line transmittable power, controls the voltage magnitude at the buses as well as enhancing the stability and security of the power system. The various conditions and scenarios used to test the efficacy of this model for system stability and security under contingency conditions are demonstrated on standard IEEE 14-bus test system.

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Author Biographies

Samuel Sunday Yusuf, Department of Electrical Engineering, Ahmadu Bello University Zaria, Kaduna State, Nigeria

Department of Electrical Engineering

Patrick Ubeh Okorie, Ahmadu Bello University Zaria, Nigeria

Department of Electrical Engineering

Adamu Saidu Abubakar, Ahmadu Bello University Zaria, Nigeria

Department of Electrical Engineering

Illiasu Onimisi Momoh, Ahmadu Bello University Zaria, Nigeria

Department of Electrical Engineering

Fahad Alhassan, Ahmadu Bello University Zaria, Nigeria

Department of Electrical Engineering

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Published

2020-12-27

How to Cite

Yusuf, S. S., Okorie, P. U., Abubakar, A. S., Momoh, I. O., & Alhassan, F. (2020). Enhancement of Voltage Stability with Unified Power Flow Controller Considering Loadability Analysis. Journal of Engineering and Technology (JET), 11(2), 55–71. Retrieved from https://jet.utem.edu.my/jet/article/view/5928

Issue

Vol. 11 No. 2 (2020): JOURNAL OF ENGINEERING AND TECHNOLOGY

Section

Articles

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