OPTIMUM OPERATION OF A MICROGRID IN ISLAND MODE WITH GAMS SOFTWARE: A RURAL AREA EXAMPLE

Öz

The scientific objective of this study is to optimize energy management in an islanded microgrid (MG) to maximize the utilization of renewable energy sources (RES) while minimizing fossil fuel consumption and operating costs. The system incorporates critical (hospital), semi-critical (school), and flexible (residential) loads, and analyzes the coordinated operation of photovoltaic (PV) panels, wind turbines (WT), a battery energy storage system (BESS), and a diesel generator (DG). The study addresses the research question: To what extent can the coordinated optimization of RES, BESS, and DG reduce the energy cost and carbon emissions of an islanded MG? In this context, the work contributes to the literature by integrating scenario analysis based on real meteorological data, load prioritization according to criticality levels, and a Mixed Integer Linear Programming (MILP)-based operational optimization approach for MG energy management. The model was developed and solved using the GAMS/CPLEX platform and evaluated under two scenarios. In the first scenario, the generation capacity was limited to 30%, whereas in the second, the system operated at full capacity using real meteorological data from the Antalya region. The results demonstrate that the second scenario reduced DG utilization and carbon emissions by 14.2%, and total operating costs by 7.5%.

Anahtar Kelimeler

• Optimal energy
• management
• carbon emissions
• microgrid
• island mode
• renewable energy

Etik Beyan

Research and publication ethics were complied with in the study.

GAMS YAZILIMI İLE BİR MİKROŞEBEKENİN ADA MODUNDA OPTİMUM İŞLETİMİ: BİR KIRSAL BÖLGE ÖRNEĞİ

Öz

Bu çalışmanın bilimsel amacı, ada modunda işletilen bir mikroşebekede (MG) enerji yönetimini optimize ederek yenilenebilir enerji kaynaklarının (RES) kullanımını en üst düzeye çıkarmak, fosil yakıt tüketimini ve işletme maliyetlerini en aza indirmektir. Kritik (hastane), yarı kritik (okul) ve esnek (konut) yükleri içeren sistemde fotovoltaik (PV), rüzgâr türbini (WT), batarya enerji depolama sistemi (BESS) ve dizel jeneratörün (DG) koordineli çalışması analiz edilmiştir. Çalışmada, “RES, BESS ve DG’nin koordineli optimizasyonu ada modunda işletilen bir MG’nin enerji maliyetini ve karbon emisyonunu ne ölçüde azaltabilir?” sorusuna yanıt aranmıştır. Bu kapsamda çalışma, MG enerji yönetiminde gerçek meteorolojik verilerin kullanıldığı senaryo analizi, yüklerin kritik düzeyine göre önceliklendirilmesi ve karma tamsayılı doğrusal programlama (MILP) tabanlı operasyonel optimizasyonun birlikte uygulanması açısından literatüre katkı sağlamaktadır. Model GAMS/CPLEX ortamında çözülmüş ve iki farklı senaryo altında değerlendirilmiştir. İlk senaryoda üretim kapasitesi %30 ile sınırlandırılmış, ikinci senaryoda ise Antalya bölgesine ait gerçek meteorolojik veriler kullanılarak sistem tam kapasitede çalıştırılmıştır. Sonuçlar, ikinci senaryonun DG kullanımını ve karbon emisyonunu %14,2, toplam işletme maliyetini ise %7,5 oranında azalttığını göstermektedir.

Anahtar Kelimeler

• Optimum enerji yönetimi
• karbon emisyonu
• mikroşebeke
• ada modu
• yenilenebilir enerji

Etik Beyan

Yapılan çalışmada araştırma ve yayın etiğine uyulmuştur.

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