The Optimum Tilt Angles and Orientations of PV Claddings for Building-Integrated Photovoltaic (BIPV) Applications

Author:

Yang Hongxing1,Lu Lin2

Affiliation:

1. Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong

2. Department of Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong

Abstract

The tilt and azimuth angles of a photovoltaic (PV) array affect the amount of incident solar radiation exposed on the array. This paper develops a new mathematical model for calculating the optimum tilt angles and azimuth angles for building-integrated photovoltaic (BIPV) applications in Hong Kong on yearly, seasonal, and monthly bases. The influence of PV cladding orientation on the power output of PV modules is also investigated. The correlations between the optimum tilt angle and local weather conditions or local environmental conditions are investigated. The results give reasonable solutions for the optimum tilt angles for BIPV applications for both grid-connected and stand-alone systems.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Reference9 articles.

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4. Effects of Tilt and Azimuth on Annual Incident Solar Radiation for United States Locations, Solar Engineering 2001;Christensen

5. Lu, L. , 2004, “Investigation on Characteristics and Application of Hybrid Solar-Wind Power Generation Systems,” Ph.D. thesis, The Hong Kong Polytechnic University, Kowlon, Hong Kong.

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