Fuzzy Rule Based Load Frequency Control in a Parallel AC – DC Interconnected Power Systems Through Hvdc Link | Zendy

S. Ramesh | Zendy; A. Krishnan | Zendy

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Fuzzy Rule Based Load Frequency Control in a Parallel AC – DC Interconnected Power Systems Through Hvdc Link

Author(s) -

S. Ramesh,

A. Krishnan

Publication year - 2010

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/98-207

Subject(s) - computer science , link (geometry) , power (physics) , control (management) , automatic frequency control , electric power system , power control , fuzzy logic , electrical engineering , control theory (sociology) , telecommunications , artificial intelligence , computer network , physics , quantum mechanics , engineering

this paper, a fuzzy logic controller is proposed for an application of HVDC link to stabilize the frequency oscillation in a parallel AC - DC interconnected power systems. When an interconnected AC power system is subjected to a load disturbance, system frequency may be considerably disturbed and becomes oscillatory. By utilizing the system interconnections as the control channels of HVDC link, the tie line power modulation of HVDC link through interconnections is applicable for stabilizing the frequency oscillation of AC system. The conventional Integral controller does not yield adequate control performance. To overcome this problem Fuzzy Logic Controller (FLC) is employed with a set of control rules. The proposed control technique is studied for a two area non - reheat thermal power systems. From simulation results, the performance of the FLC is better during load disturbances.

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