vioft2nntf2t|tblJournal|Abstract_paper|0xf4ff6ea925000000618f010001000e00 This paper elaborates the application of new nature inspired algorithm; ‘Whale Optimization Algorithm (WOA)’ in load frequency control of two area interconnected non-reheat thermal power plants. Two number of PID controllers have been considered in the investigated system and the parameters of the controllers have been tuned/optimized using WOA. The design problem has been formulated as the constrained optimization problem with upper and lower bounds of controller’s parameters. The integral of time multiplied absolute error (ITAE) has been taken as an objective function in the present work. The parameters of controllers (KP, KI, KD), minimum damping ratio (MDR), the values of performance indices (ITAE, ISTE, ISE, IAE), settling times and overshoots of ?f1, ?f2 and ?PTie have also been evaluated for the system under investigation using WOA. The simulation results include the dynamic responses of ?f1, ?f2 and ?PTie for different step load changes from 0.1p.u. to 0.5p.u in area 1 by keeping constant 0.1p.u. step load change in area 2. It has been observed that smooth and better dynamic responses with fewer oscillations, less settling times and less overshoots can be achieved for the system using WOA.
R. Bhatt, G. Parmar, R. Gupta
Rajasthan Technical University, India
Load Frequency Control (LFC), Two Area Interconnected Non Reheat Power System, PID Controllers, Whale Optimization Algorithm (WOA)
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| Published By :
ICTACT
Published In :
ICTACT Journal on Microelectronics
( Volume: 3 , Issue: 4 , Pages: 467-472 )
Date of Publication :
January 2018
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