Abstract
Flexible AC transmission systems (FACTS) are a modern technology to increase controllability in power systems. This work presents an analysis of Interline Power Flow Controller (IPFC) which is a FACTS device. This device control and manage power flow in transmission lines. Supplementary damping controller is installed on IPFC Proportional Integral (PI) control. Power Oscillation Damping (POD) and Power System Stabilizers (PSS) contribute to power system stability. This works represents the electric power system and Interline Power Flow Controller FACTS device by a current sensitivity model (CSM). This work focuses on small-signal stability studies using an Adaptive Genetic Algorithm and Hyper-mutation (AGAH) to design simultaneously controller parameters. Adaptive Genetic Algorithm aims to find optimal controller parameters to enhance greatly stability of the power system. This paper considers two areas 14 bus symmetrical system in order to assess proposed algorithm. Simulations are carried out in MatLab platform in order to compare genetic algorithm with proposed algorithm performance. Results show AGAH outweighed AG by time convergence and accuracy.
Highlights
Power System Stability holds great importance when it comes to operation and planning of electric power systems (EPS)
Oscillations with low frequencies play an important role. If these oscillations lack of sufficient damping, it may cause the loss of power system synchronism and with time, it may prevent the connection between neighbouring areas
Interline Power Flow Controller (IPFC)-Power Oscillation Damping (POD) installations comes up as a novel solution to cope with poor inter-area mode oscillations
Summary
Power System Stability holds great importance when it comes to operation and planning of electric power systems (EPS). Small signal stability studies the electric system performance when it is subjected to small variations [1], [2]. Oscillations with low frequencies play an important role. If these oscillations lack of sufficient damping, it may cause the loss of power system synchronism and with time, it may prevent the connection between neighbouring areas. Electromechanical low frequency oscillation under study are classified as local (0.8 to 2.0 Hz), inter-area (0.2 to 0.8 Hz), or intraplant (1.5 to 2.5 Hz) [3]
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