Load Frequency and Voltage Control of Autonomous Power System using Particle Swarm Optimization tuned PID Controller
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 6
Abstract
In this paper, Load Frequency Control and Automatic Voltage Regulation of a single area power system consisting of a non-reheat type thermal generating unit is presented. A power system is prone to instability due to sudden changes in load. The sudden change in load causes variation in frequency and voltage of the system. This can be a serious concern for the stable operation of the power system. The variation in frequency is dependent on the real power flow in the system and the variation in voltage is dependent on the reactive power flow in the system. The load frequency control and automatic voltage regulation is provided in every power system to counter act the variations in frequency and voltage. This paper presents the use of Proportional Integral Derivative Controller for improving the transient and steady state response of a single area power system. The PID controller offers simplest yet most efficient solution to many real world control problems. However, the tuning of the controller is a difficult process. Particle Swarm Optimization is an evolutionary computation technique which is mostly used for multi objective constrained optimization problems. It is used in this paper to search for the optimal gains of the PID controllers employed separately in the Load Frequency Control loop and the Automatic Voltage Regulation loop of a power system.
Authors and Affiliations
Gurjit Singh, Simarpreet Singh
Keywords
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