Journal
AIN SHAMS ENGINEERING JOURNAL
Volume 9, Issue 4, Pages 1855-1864Publisher
ELSEVIER
DOI: 10.1016/j.asej.2016.08.019
Keywords
Automatic Voltage Regulator; Cuckoo Search Algorithm; Distributed Generation; Load Frequency Control; SVC
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The distributed generating system may employ hybrid power system consists of diesel and wind power generating units based on synchronous and induction generator (IG), respectively, to supply small isolated load. Frequency and voltage controls are major problems for such system as smaller synchronous generator (SG) offers lesser inertia and IG draws reactive power for its operation. In this paper, the voltage control loop governed by automatic voltage regulator of SG has been integrated with frequency control loop to yield optimized transient responses for frequency and voltage deviations. The linearized model of hybrid system with coordinated control of voltage and frequency has been developed. The dynamic responses of frequency and voltage deviations are compared for different active and reactive load disturbances. The gains of controller of SG and Static Var Compensator (SVC) at the terminal of IG have been optimized with Cuckoo Search Algorithm to minimize frequency and terminal voltage deviations. (C) 2017 Ain Shams University.
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