Performance assessment of an on-grid 178.08kW Photovoltaic system Islamabad, Pakistan

2015 International Conference on Emerging Technologies (ICET) Pub Date : 2015-12-01 DOI:10.1109/ICET.2015.7389174

S. M. H. Bukhari, P. Akhter, A. Mehmood

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引用次数: 1

Abstract

It is anticipated that renewable energy will meet a considerable fraction of future energy demands of Pakistan. Since solar energy is abundant in most parts of the country, on grid solar PV systems are becoming increasingly important. Electric energy provided by the solar power plant to the grid depends upon seasonal variation of the solar resource, losses by temperature changes, system losses and losses due to grid conditions. This paper presents the monitoring result of a 178.08 kW grid connected photovoltaic system installed in Pakistan engineering commission, Islamabad (Longitude 73.0667° & Latitude E 33.7167° N). System was monitored between Jan 2013 to Dec 2013. Daily solar irradiation, ambient temperature, wind speed, daily power generation were measured and analyzed during this monitoring period. Performance ratio manually calculated from the recorded data is 0.63. Furthermore, the PV performance was studied by performance ratio variation with solar inclined irradiation. Average monthly performance ratio was found to be decreasing with increasing ambient temperature and solar inclined irradiation. A decreasing trend in AC power was seen with rise in temperature and conversion losses.

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178.08kW并网光伏系统性能评估巴基斯坦伊斯兰堡

预计可再生能源将满足巴基斯坦未来能源需求的相当一部分。由于我国大部分地区太阳能资源丰富，并网太阳能光伏系统变得越来越重要。太阳能发电厂向电网提供的电能取决于太阳能资源的季节变化、温度变化造成的损耗、系统损耗和电网条件造成的损耗。本文介绍了安装在巴基斯坦工程委员会伊斯兰堡(经度73.0667°和东经33.7167°N)的178.08 kW并网光伏系统在2013年1月至2013年12月期间的监测结果。对监测期间的日太阳辐照度、环境温度、风速、日发电量进行了测量和分析。手动计算的性能比为0.63。在此基础上，研究了太阳能倾斜辐照下光伏性能比的变化规律。月平均性能比随环境温度的升高和太阳倾斜照射的增加而降低。随着温度和转换损耗的升高，交流功率呈下降趋势。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 International Conference on Emerging Technologies (ICET)

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