Load Frequency Con
Load Frequency Control of
Hydro-Hydro System with Fuzzy Logic Controller Considering DC Link
B. Anand
Department of Electrical and
Electronics Engineering, Hindusthan College of Engineering and Technology,
641032, Coimbatore, INDIA
E-mail: [email protected]
Abstract: This paper describes the dynamic performance
of two area interconnected hydro-hydro power systems when subjected to 1% step
load perturbation. For this present study, the system is incorporated with
conventional Proportional-Integral (PI) controller and Fuzzy Logic Controller
(FLC). The dc link is used as system interconnection in parallel with ac
tie-lines. The dc link is considered to be operating in constant current
control mode and the power flow deviation through dc link is modeled based on
frequency deviation at rectifier end. To investigate system performance,
optimum PI controller gains are obtained using integral square error (ISE)
technique. The responses with these controllers are sluggish. To overcome this
drawback FLC is proposed. Time domain simulation is used to compare the dynamic
performance. Finally, simulation results shows that FLC has better dynamic
control performance than PI controller.
[B. Anand. Load Frequency Control of
Hydro-Hydro System with Fuzzy Logic Controller Considering DC Link. Life
Sci J2013;10(7s):499-504].(ISSN:1097-8135). http://www.lifesciencesite.com. 77
Keywords: area control error, automatic
generation control, fuzzy logic controller, load frequency control.
