DETERMINATION OF OPTIMUM SYSTEM CAPACITY IN PHOTOVOLTAIC SYSTEM INTEGRATED ELECTRIC VEHICLE CHARGING SYSTEMS

Öz

In this study, a new approach is proposed for determining the optimum photovoltaic (PV) capacity in a grid-connected electric vehicle charging station with integrated PV system. The power generated by the PV panel in real environment is compared with the results obtained with the help of MATLAB PV model and PV simulator and the results are found to be compatible with each other. It is aimed to optimize the PV system capacity required for charging an electric vehicle battery with a capacity of 16,8 kWh in this study. For this purpose, PV system optimum tilt and azimuth angles are determined, and PV sizing is performed. The objective function is determined as providing the total energy of the electric vehicle battery for one year with the total energy produced by the PV system for one year. Under these conditions, the results obtained with the help of the MATLAB model show that a PV capacity of 3,35 kWp can supply the energy needs of a vehicle throughout the year. This study presents an effective method for determining the optimum capacity of PV systems for electric vehicle charging systems.

Anahtar Kelimeler

• Photovoltaic System
• Electrical Vehicle
• Battery Capacity
• Optimum Capacity
• Charging Station

FOTOVOLTAİK SİSTEM ENTEGRELİ ELEKTRİKLİ ARAÇ ŞARJ SİSTEMLERİNDE OPTİMUM KAPASİTENİN BELİRLENMESİ

Öz

Bu çalışmada, fotovoltaik (FV) sistem entegreli ve şebekeye bağlı bir elektrikli araç şarj istasyonunda optimum FV kapasitesinin belirlenmesi için yeni bir yaklaşım ortaya konulmuştur. Gerçek ortamda FV panelin ürettiği güç değerleri, MATLAB FV modeli ve FV simülatör yardımıyla elde edilen sonuçlar ile karşılaştırılmıştır ve sonuçların birbiri ile uyumlu olduğu görülmüştür. Çalışmada 16,8 kWh kapasiteli bir elektrik araç bataryasının şarj edilmesi için gereken FV sistem kapasitesinin optimizasyonu amaçlanmıştır. Bunun için FV sistem optimum eğim ve azimut açıları belirlendikten sonra FV boyutlandırması yapılmıştır. Elektrikli araç bataryasının bir yıllık toplam enerjisinin FV sistemin bir yıllık toplam ürettiği enerji ile karşılanması amaç fonksiyonu olarak belirlenmiştir. Bu şartlar altında MATLAB modeli yardımıyla elde edilen sonuçlar 3,35 kWp’lik FV kapasitesinin bir aracın yıl boyunca ihtiyaç duyduğu enerjiyi karşılayabileceğini ortaya koymuştur. Bu çalışma, FV sistemlerin elektrikli araç şarj sistemleri için optimum kapasitenin belirlenmesinde etkili bir yöntem sunmaktadır.

Anahtar Kelimeler

• Fotovoltaik Sistem
• Elektrikli Araç
• Batarya Kapasitesi
• Optimum Kapasite
• Şarj İstasyonu.

Kaynakça

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