The impact of array inclination and orientation on the performance of a grid-connected photovoltaic system

被引：107

作者：

Mondol, Jayanta Deb ^{[1
]}

Yohanis, Yigzaw G.

Norton, Brian

机构：

[1] Univ Ulster, Sch Built Environm, Newtownabbey BT37 0QB, North Ireland

[2] Dublin Inst Technol, Dublin 2, Ireland

来源：

RENEWABLE ENERGY | 2007年 / 32卷 / 01期

关键词：

grid-connected photovoltaic; orientation; inclination; insolation; PV output; performance ratio;

D O I：

10.1016/j.renene.2006.05.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The impact of PV surface orientation and inclination on grid-connected photovoltaic system performance under maritime climates was investigated using validated TRNSYS simulations. Insolation, PV output, PV efficiency, inverter efficiency, system efficiency, performance ratio (PR) and PV savings were estimated annually, seasonally and on monthly bases for various surface inclinations and orientations. Incident insolation and PV output were maximum for a surface with inclination 30 degrees facing due south and minimum for a vertical surface with orientation 90 degrees east or west from south. The monthly optimum collection angle maximising incident insolation varied from 10 degrees to 70 degrees. For the particular location and system studied, the maximum annual PV efficiency, the inverter efficiency, the PR and the system efficiency were for a south-facing surface with an inclination of 20 degrees. For a horizontal surface, the monthly variation of system parameters was significant over a year. For time-dependent tariff rates, the annual PV savings were higher for a system oriented with same orientation towards the west than east from south while for constants tariff rates, the PV savings was the same for east or west orientation from south. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：118 / 140

页数：23

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