Bir Mikro Şebekenin Yük Frekans Kontrolü için Tamsayı Derece YaklaşımlıKesir Dereceli PID Kontrolörün Optimizasyonu

Modern güç sistemlerinde yük değişiklikleri ve arızalar sonrası üretim-yük dengesini koruma yeteneğini sağlamakönemli bir problemdir. Bir yük frekans kontrol (LFC) mekanizması bu gereksinime bir çözüm sağlar. Mikroşebekelerde üretilen güç miktarı sürekli olarak değişir ve aynı zamanda birçok belirsizliğe sahiptir, bunun nedeni mikro şebekelerin genellikle elektrik enerjisi üretmek için yenilenebilir enerji kaynakları (RES) kullanmasıdır.Mikro şebeke sistemlerindeki bu değişiklikler ve belirsizlikler nedeniyle, geleneksel kontrolörler uzun vadede iyibir performans sağlamada yetersiz kalmıştır. Bu çalışmada, mikro şebekede, LFC karşılaşılan zorluklarla başaçıkmak için tamsayı derece yaklaşımlı kesir dereceli PID kontrolör (IOA FOPID) önerilmiştir. En uygun kontrolör parametrelerinin belirlenmesi için lig şampiyonası algoritması (LCA), karınca koloni optimizasyonu (ACO) veoptikten esinlenen optimizasyon (OIO) algoritmaları kullanılmıştır. Aynı zamanda, IOA FOPID kontrolörünün kazançlarının en uygun değerlerinin elde edilmesi için çok amaçlı bir maliyet fonksiyonu kullanılmıştır. Üç farklıoptimizasyon algoritması ile elde edilen en uygun kontrolör parametre değerleri için mikro şebeke sistemin zamandomeni analizleri yapılmış ve algoritmaların başarıları karşılaştırılmıştır.

Optimization of Fractional Order Controller with Integer Order Approximation for Load Frequency Control of a Microgrid

In modern power systems, ensuring the ability to maintain production-load balance after load changes and failuresis an important problem. A load frequency control (LFC) mechanism provides a solution to this requirement. Theamount of power produced in microgrids is constantly changing and also has many uncertainties, becausemicrogrids often use renewable energy sources (RES) to generate electrical energy. Due to these changes anduncertainties in microgrid systems, traditional controllers have become inadequate to provide good performancein the long run. In this study, in order to deal with the difficulties encountered in LFC in microgrid, integer order approximation fractional order PID controller (IOA FOPID) is proposed. League championship algorithm (LCA),ant colony optimization (ACO) and optics-inspired optimization (OIO) algorithms have used to determine themost appropriate controller parameters. At the same time, a multi-purpose cost function has used to obtain themost appropriate values of the gains of the IOA FOPID controller. For the most appropriate controller parametervalues obtained with three different optimization algorithms, the time domain analyzes of the microgrid systemhave made and the success of the algorithms has compared.

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