The utilization of energy has increased manifold because of the industrial revolution. The development of the induction motor by Nikola Tesla in 1888 triggered the increasing demand of electrical energy in the industrial world and also its usage for artificial lighting. Higher amount of energy required for present society is provided by means of electrical energy. Highly complicated power systems have been constructed to deal with the increasing demand. The development in electric power production is focused on the interconnecting the transmission lines, generators and loads into huge integrated systems, which helps in providing reliable and quality power system to the consumers.Power system stability is an idea that focuses on the way the system adjusts with the occurrence of disorder. These disorders can result because of switching-off a load or a modification in the mechanical input to the system. Because of these disturbances oscillations may happen in the system that could ultimately build up to a larger extent, resulting in the synchronous generators to go out of step and lose synchronism.Due to the importance of the power system and its stability, there are several techniques developed by various researchers for the stabilization of the power systems. The paper addresses enhanced Artificial Bee Colony (ABC) technique applied to design a robust power system stabilizer (PSS) in order to improve transient and dynamic stabilities of a turbo-alternator connected to an infinite bus system comparisons wind, thermal and solar power generations the design of the proposed controller initially is formulated as an optimization problem and then enhanced ABC is employed for obtaining optimal controller parameters. The results shows that the proposed algorithm are better in performance than the conventional methods.
Transmission lines, ABC (Artificial Bee Colony), power system stabilizer (PSS), optimal controller, system stabilizer
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