Hibrit Yenilenebilir Enerji Sistem Önerisi: Datça, Ege Denizi, Optimum Tasarlanmış LCL Filtre ile Açık Deniz Rüzgar ve PV Çiftliği

Öz

Yenilenebilir Enerji Sistemlerinin şebekeye entegrasyonunda farklı türlerde güç elektroniği temelli dönüştürücüler ve inverterler kullanılmaktadır. Bu güç elektroniği tabanlı ara yüzler, şebekenin voltaj ve akımında harmonik bozulmalara yol açar. Bu araştırma, Türkiye'nin Datça bölgesi için Tip 4 Sabit Mıknatıslı Senkron Jeneratör (PMSG) ve Fotovoltaik (PV) güç üretim çiftliğini kullanan hibrit bir yenilenebilir enerji sistemi önerisi ve tasarımını amaçlamaktadır. Ayrıca, tasarlanan hibrit yenilenebilir güç sistemi için optimum pasif filtre tasarımları ve harmonik analizleri incelenmiştir. Ayrıntılı olarak, sistemde 2 MW’lık bir PV çiftliği ile 2 MW'lık bir açık deniz rüzgar çiftliği (OWF) birleştirilerek, 25 kV dağıtım hattı ile 120 kV ortak şebekeye bağlanacak şekilde tasarlanmıştır. Ek olarak, Türkiye'nin Ege Denizi Datça bölgesinden elde edilen rüzgar hızı ve güneş ışınımı gibi meteorolojik veriler, hibrit güç üretim sisteminin girdi parametreleri olarak kullanılmaktadır. Bundan sonra, harmonik analiz ve optimum filtre tasarımları için matematiksel bir strateji önerilmektedir. İlk olarak, günlük verilerin (DD) aritmetik ortalaması (AM), OWF ve PV sistemi için giriş değeri olarak dikkate alınmaktadır. Bu değerler kullanılarak, yakın zamanda önerilen bir meta-sezgisel algoritma olan Dağ Ceylanı Optimizasyonu (MGO) algoritmasıyla optimum LCL filtre tasarımı bulunmuştur. IEEE 519 standartlarına göre, optimizasyon yöntemi hem pu cinsinden voltaj seviyelerini hem de toplam harmonik bozulmayı (THD) minimize etmeyi amaçlamaktadır. Ayrıca, hibrit yenilenebilir güç modeli, rüzgar hızı ve güneş ışınımı değerleri ile birlikte günlük veriler kullanılarak optimum LCL filtreleri ile simüle edilmiştir. Bunun yanında, AM verileri ve günlük verilerin sonuçlarına dayalı performans analizi incelenmiştir.

Anahtar Kelimeler

• Açık Deniz Rüzgar Çiftlikleri
• Tip 4 PMSG
• Optimizasyon
• Harmonik
• Güç Kalitesi
• Fotovoltaik Güç Üretim Çiftliği
• LCL Filtresi
• Hibrit Güç Sistemleri.

Hybrid Renewable Energy System Proposal: Offshore Wind and PV Farm with Optimally Designed LCL Filter in Datça, Aegean Sea, Turkey

Öz

Different kinds of power electronics-based converters and inverters are used in the grid integration of Renewable Energy Systems. These power electronic based interfaces cause harmonic distortion in voltage and current of the grid. This research aims to propose and design a hybrid renewable energy system that uses Type 4 Permanent Magnet Synchronous Generator (PMSG) and Photovoltaic (PV) power generation farm for the Datça region in Turkey. Also, the study examines the optimal passive filter designs and harmonic analysis for designed hybrid renewable power system. In detail, the system has a 2 MW PV farm is designed to be combined with a 2 MW offshore wind farm (OWF) which is connected to the 120 kV common grid by a 25 kV distribution feeder. Additionally, utilizing meteorological data that is taken from Datça, Aegean Sea region, Turkey, such as wind speed and solar irradiation, as input parameters of the hybrid power generation system. After that, to study harmonic analysis and optimal filter designs, a mathematical strategy is proposed. First of all, the arithmetic mean (AM) of daily data (DD) is considered as the input value of OWF and PV system. With using these values, an optimal LCL filter design is found by a recently proposed meta-heuristic algorithm, Mountain Gazelle Optimization (MGO), algorithm. According to IEEE 519 standards, the optimization method seeks to minimize both the voltage levels in p.u. and the total harmonic distortion (THD) of current and voltage values. Moreover, the hybrid renewable power model is simulated with optimal LCL filters by using DD wind speed and solar irradiation values. Moreover, the performance analysis based on the results of AM data and DD values is studied.

Anahtar Kelimeler

• Offshore Wind Farms
• Type 4 PMSG
• Optimization
• Harmonic
• Power Quality
• Photovoltaic Power Generation Farm
• LCL Filter
• Hybrid Power Systems.

Kaynakça

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