ANALYSIS OF SOCCER LEAGUE COMPETITION ALGORITHM FOR LOAD FREQUENCY CONTROL IN NONLINEAR INTERCONNECTED POWER SYSTEM

Öz

Load Frequency Control (LFC) is a significant tool that provides an equilibrium between generating and consuming real power for efficient operation of power system. In this paper, design and performance analysis of Soccer League Competition (SLC) algorithm is provided for optimal solution of LFC in nonlinear interconnected power systems. SLC algorithm has ability of escaping from local minimums while increasing searching capability accuracy with their operators. PID controller parameters are optimized in order to minimize Integral of Time multiplied Absolute Error (ITAE) as objective function. In order to demonstrate efficiency of SLC, two different nonlinear test systems are employed as case studies. At the first instant of study, two area nonlinear thermal power plants with proper value of Generation Rate Constraints (GRC) is considered as test system. Then, the simulations are employed for three-area unequal power system consist of important system limitations such as GRC, Time Delay (TD) and Governor Dead Band (GDB). Simulation results reveal that better dynamic performance of different test systems is obtained using SLC among the considered algorithms.

Anahtar Kelimeler

• Optimization
• Load Frequency Control
• PID
• Heuristic Algorithms

FUTBOL LİGİ MÜSABAKASI ALGORİTMASININ DOĞRUSAL OLMAYAN VE BİRBİRİNE BAĞLI GÜÇ SİSTEMLERİNDE YÜK FREKANS KONTROLÜ İÇİN ANALİZİ

Öz

Yük Frekans Kontrolü (YFK), güç sistemlerinin verimli çalışması için üretilen ve tüketilen aktif güç arasındaki dengeyi sağlayan önemli bir araçtır. Bu çalışmada, doğrusal olmayan ve birbirine bağlı alanların bulunduğu güç sistemlerinde YFK'nın optimum çözümü için Futbol Ligi Müsabakası (FLM) algoritmasının tasarım ve performans analizi gerçekleştirilmiştir. FLM algoritması, operatörleri sayesinde arama kabiliyetinin doğruluğunu artırırken yerel minimumlardan kaçabilirler. PID denetleyicisinin parametreleri, amaç olarak zamanla çoğaltılmış mutlak hatanın integralini en aza indirmek için optimize edilmiştir. FLM algoritmasının etkinliğinin göstermek için, benzetim çalışması olarak iki farklı doğrusal olmayan test sistemi kullanılmıştır. İlk çalışmada, uygun değerde üretim oranı kısıtlamaları olan iki bölgeli doğrusal olmayan termik santral test sistemi göz önünde bulundurulmuştur. Ardından, üretim oranı kısıtlamaları yanında governor etkisiz bölgesi ve zaman gecikmesi gibi önemli fiziksel kısıtlamalardan oluşan eşit olmayan üç bölgeli güç sistemi üzerinde araştırma yapılmıştır. Benzetim sonuçları, dikkate alınan algoritmalar arasında FLM algoritması kullanılarak gerçekleştirilen benzetimlerde test sistemlerinin daha iyi dinamik performanslarının elde edildiğini göstermektedir.

Anahtar Kelimeler

• Optimizasyon
• Yük Frekans Kontrolü
• PID
• Sezgisel Algoritmalar

Kaynakça

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