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Interconnected power systems are critically vulnerable to instability due to the disturbances in any one portion of the system. Even low-frequency oscillations and small disturbances may lead to an outage of the system. Properly tuned Power System Stabilizer (PSS) is an effective tool for the suppression of these oscillations. This paper proposes a novel approach to tune proportional-integral (PI),...
The Effect of increasing penetration of full converter controlled-based generators (CCBGs) in a large scale power system is evaluated by using MATLAB program based on small signal stability analysis. The power system has been subjected for two types of tests, the first test has been implemented by disturbing the system through applying 3-phase fault at the infinite bus system, and the second one by...
This paper proposes a new approach for the simultaneous stabilization of multi-machine power system networks by tuning the parameters of power system stabilizers (PSS) using backtracking search algorithm (BSA). To enhance system damping, damping ratio based objective function is considered and widely used conventional lead-lag type PSS structure is used. The ability to lead the optimal design of the...
This paper presents a study for demonstrating the capability of photovoltaic systems (PV System) in enhancing the damping of the inter-area oscillations in a smart grid network. In this context, investigations are conducted on a single-machine infinite bus (SMIB) system. PV-based stabilizer are designed for enhancing power system dynamic stability. The damping action is achieved through the independent...
The main objective of this paper is to investigate the enhancement of power system stability via Thyristor Controlled Series Compensation (TCSC), in a two area interconnected power systems. The design problem of the proposed controllers is formulated as an optimization problem. Using the developed linearized power system model, the particle swarm optimization (PSO) algorithm is employed to search...
The main objective of this paper is to investigate the enhancement of power system stability via coordinated design of Thyristor Controlled Series Compensation (TCSC) and Power System Stabilizers (PSSs) in multimachine power system. The design problem of the proposed controllers is formulated as an optimization problem. Using the developed linearized power system model, the particle swarm optimization...
In the past two decades, the utilization of supplementary excitation control signals for improving the dynamic stability of power systems has received much attention. In recent years, several approaches based on modern control theory and intelligent control and optimization techniques have been applied to PSS design problem. This paper introduces a review on the techniques applied on the conventional...
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