Optimal Voltage and Frequency Control in Solar Integrated Power Network
DOI:
https://doi.org/10.13052/dgaej2156-3306.37315Keywords:
Frequency control, automatic voltage control, linear quadratic, optimal control, robustnessAbstract
This study presents the modelling and simulation of a single area power
system network containing three different generating sources, solar thermal
power plant (STPP), thermal, and diesel power plants. The simultaneous
frequency and voltage control problem has been investigated using Linear
Quadratic Regulator (LQR) and State Feedback based Sliding Mode Control
(SF-SMC) design. Also, the integration of Particle Swarm Optimization
(PSO) has been considered for the selection of LQR cost function weight
matrices and SMC control parameters. Proper selection of LQR and SF-SMC
parameters allows the controllers to handle the complexities involved in a
very efficient manner and also augments necessary robustness in the con-
troller design. The transient performance of the PSO based LQR and SF-SMC
controlled system has been assessed in terms of time-domain performance
indices, and it has been compared with the conventional PID and 2-DOF PID
controllers. Additionally, the robustness of the proposed controllers has been
tested and verified after contemplating variation in model parameters
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