optimum tilt angle

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Optimization of the Tilt Angle of Solar Panels for Malaysia

Journal Title, Volume, Page: 
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 37, Issue 6, 2015
Year of Publication: 
2015
Authors: 
Tamer T.N. Khatib
Institute of Networked & Embedded Systems/Lakeside Labs, Alpen-Adria-Universität Klagenfurt, Klagenfurt, Austria
A. Mohamed
Institute of Networked & Embedded Systems/Lakeside Labs, Alpen-Adria-Universität Klagenfurt, Klagenfurt, Austria
Marwan Mahmoud
Current Affiliation: 
Department of Electrical Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Kamaruzzaman Bin Sopian
Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia
Preferred Abstract (Original): 

This article presents a method for optimizing the tilt angle of photovoltaic module/array installed in the five sites in Malaysia. The optimization method is based on the Liu and Jordan model for solar energy incident on a tilt surface considering monthly and seasonal tilt angles. The optimization results showed that a seasonal optimum tilt angle change is recommended for the peninsular Malaysia, while a monthly optimum tilt angle change is recommended for east Malaysia comprising the states of Sabah and Sarawak. By applying the monthly optimum tilt angle, the collected yields by the PV module/array in Kuala Lumpur, Johor Bharu, Ipoh, Kuching, and Alor Setar increased by 5.03, 5.02, 5.65, 7.96, and 6.13%, respectively. On the other hand, applying the seasonal optimum tilt angle for the same regions increased the collected yields by 4.54, 4.58, 5.70, 4.11, and 5.85%, respectively.

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