Youssef  Kassem, Hüseyin  Gokcekus, Ülker Burcu  Filitoglu, 
    Performance Characteristics of Building Integrated and Freestanding
Photovoltaic System with Various PV Technologies and Angles:
A Case Study in NEU Grand Library, North Nicosia,
    Journal of Engineering and Applied Sciences,
    Volume 15,Issue 4,
    2020,
    Pages 1027-1042,
    ISSN 1816-949x,
    jeasci.2020.1027.1042,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2020.1027.1042)
    Abstract: Solar energy can be an important source in the Northern part of Cyprus part not only to add a new
capacity but also to increase energy security, addressing the environmental concerns. Solar radiation can be
considered constant in a wide area. Therefore, the objective of this study is to analyze the monthly global solar
radiation, sunshine duration, relative humidity and average temperature collected from the Meteorology
Department for North Nicosia to show the potential of solar energy in North Nicosia. The data were collected
from 2008-2018 and measured at 2 m height. The results showed that global solar radiation data are within the
range of 5.4-341.9 kWhm<sup>-2</sup> and the mean annual global solar radiation is found to be 2437.52 kWhm<sup>-2</sup>. In
addition, it is found that sunshine duration in North Nicosia is varied from 7.94-12.967 h/day with an average
of 8.4 h/day. Moreover, this study is aimed to investigate the performance characteristics of grid-connected
Building Integrated Photovoltaic (BIPV) in North Nicosia as exemplified by NEU grand library. In this study,
a 30 kWp PV capacity is proposed based on the available roof and front of NEU grand library building and its
performance in the BIPV system with various angles (slop and azimuth angles) and three PV technologies
(crystalline, CIS and CdTe) is analyzed. Furthermore, the performance of freestanding mounting positions with
various angles and PV technologies for roof building is studied and compared with BIPV systems. PVGIS
simulation tool is used in this study. It concluded that among the proposed two systems, freestanding mounting
position system performs better than BIPV and technology wise CdTe performs better than CIS and crystalline.
    Keywords: BIPV;freestanding system;NEU grand library;North Nicosia;solar energy;PV technologies