Research Article
Development of Optimal Tilt Angle Models of a Photovoltaic Module for Maximum Power Production: Ethiopia
Table 8
Annual optimal tilt angle of Bahir Dar city by this study, literature, and online software.
| | Literature | Model | |
| | Yunus Khan et al. [32] | | 13.48 | | Duffie and Beckman [7] | | 26.57 | | Wessley et al. [39] | | 18.35 | | Darhmaoui and Lahjouji [40] | | 13.53 | | Nicolas-MartÃn et al. [23] | | 13.82 | | PVGIS [41] | Online software | 17 | | PVWatt [42] | Online software | 16 |
| | This study | Equ (15) | 16.34 | | Equ (16) | 14.82 | | Equ (17) | 15.04 | | Equ (18) | 17.15 | | Equ (19) | 17.79 | | Equ (20) | 17.47 | | Equ (22) | 17.47 | | Equ (23) | 18.35 |
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