Long term performance analysis of a grid connected photovoltaic system in Northern Ireland

被引：141

作者：

Mondol, Jayanta Deb ^{[1
]}

Yohanis, Yigzaw

Smyth, Mervyn

Norton, Brian

机构：

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

[2] Dublin Inst Technol, Dublin, Ireland

来源：

ENERGY CONVERSION AND MANAGEMENT | 2006年 / 47卷 / 18-19期

关键词：

grid connected photovoltaics; monitoring; PV efficiency; inverter efficiency; performance ratio;

D O I：

10.1016/j.enconman.2006.03.026

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The performance of a 13 kW(p) roof mounted, grid connected photovoltaic system in Northern Ireland over a period of three years has been analysed on hourly, daily and monthly bases. The derived parameters included reference yield, array yield, final yield, array capture losses, system losses, PV and inverter efficiencies and performance ratio. The effects of insolation and inverter operation on the system performance were investigated. The monthly average daily PV, system and inverter efficiencies varied from 4.5% to 9.2%, 3.6% to 7.8% and 50% to 87%, respectively. The annual average PV, system and inverter efficiencies were 7.6%, 6.4% and 75%, respectively. The monthly average daily DC and AC performance ratios ranged from 0.35 to 0.74 and 0.29 to 0.66, respectively. The annual average monthly AC performance ratios for the three years were 0.60, 0.61 and 0.62, respectively. The performance of this system is compared with that of other representative systems internationally. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：2925 / 2947

页数：23

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