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Research Papers

Determination of Optimum Tilt Angle for Different Photovoltaic Technologies Considering Ambient Conditions: A Case Study for Burdur, Turkey

[+] Author and Article Information
Ramazan Ayaz

Department of Electrical Engineering,
Yildiz Technical University,
Davutpasa Campus,
Istanbul 34220, Turkey
e-mail: ayaz@yildiz.edu.tr

Ali Durusu

Department of Electrical Engineering,
Yildiz Technical University,
Davutpasa Campus,
Istanbul 34220, Turkey
e-mail: adurusu@yildiz.edu.tr

Hakan Akca

Department of Electrical Engineering,
Yildiz Technical University,
Davutpasa Campus,
Istanbul 34220, Turkey
e-mail: hakca@yildiz.edu.tr

Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: INCLUDING WIND ENERGY AND BUILDING ENERGY CONSERVATION. Manuscript received September 2, 2016; final manuscript received March 21, 2017; published online April 25, 2017. Assoc. Editor: M. Keith Sharp.

J. Sol. Energy Eng 139(4), 041001 (Apr 25, 2017) (6 pages) Paper No: SOL-16-1394; doi: 10.1115/1.4036412 History: Received September 02, 2016; Revised March 21, 2017

This study presents a numerical approach to calculate the optimum photovoltaic (PV) tilt angle by considering the three different PV technologies (monocrystalline, polycrystalline, and thin film). This analysis focuses on determination of optimum tilt angle considering seasonal and yearly solar radiation on a plane (Wh/m2) and seasonal and yearly energy production (Wh) of PVs. The angle at maximum global radiation and maximum energy output is considered as the optimum tilt angle. It is found that optimum tilt angles obtained by total radiation and total energy output are different from each other considering seasonal and yearly base. Total radiation-based tilt angle results show that the optimum tilt angle is 13 deg in spring, 9 deg in summer, 17 deg in autumn, 12 deg in winter, and 12 deg as yearly. Energy production-based optimum tilt angles vary from 5 deg to 13 deg for monocrystalline, from 11 deg to 15 deg for polycrystalline, and from 12 deg to 25 deg for thin film technology according to seasonal and yearly tilt angle results.

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References

Figures

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Fig. 1

The block diagram of the methodology

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Fig. 2

Measurement setup for global radiation on horizontal and tilted surfaces

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Fig. 3

Comparison of calculated and measured radiations on tilted surface

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Fig. 4

Simplified equivalent circuit model

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Fig. 5

matlab/simulink block diagram of PV panel

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Fig. 6

The radiation, ambient temperature, and wind speed values for Burdur

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Fig. 7

Total radiation on a square meter area for different tilted surfaces

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Fig. 8

The annual total radiation on a tilted surface

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Fig. 9

Seasonal energy production of PV technologies

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Fig. 10

Annual energy production of PV technologies

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