Analytical Assessment of the Relationship between 100MWp Large-scale Grid-connected Photovoltaic Plant Performance and Meteorological Parameters

2017 International Conference on Environmental and Energy Engineering

生态环境科学;能源学

Sheng, Jie^1 ; Zhu, Qiaoming^2 ; Cao, Shijie^1 ; You, Yang^1

School of Urban Railway Transportation, Soochow University, Suzhou, Jiangsu, China^1

School of Computer Science and Technology, Soochow University, Suzhou, Jiangsu, China^2

关键词: Diurnal temperature ranges;    Global solar irradiation;    Meteorological data;    Meteorological parameters;    Photovoltaic power generation;    Photovoltaic power stations;    Photovoltaic systems;    PV power generation;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/63/1/012010/pdf
DOI  :  10.1088/1755-1315/63/1/012010

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

This paper helps in study of the relationship between the photovoltaic power generation of large scale "fishing and PV complementary" grid-tied photovoltaic system and meteorological parameters, with multi-time scale power data from the photovoltaic power station and meteorological data over the same period of a whole year. The result indicates that, the PV power generation has the most significant correlation with global solar irradiation, followed by diurnal temperature range, sunshine hours, daily maximum temperature and daily average temperature. In different months, the maximum monthly average power generation appears in August, which related to the more global solar irradiation and longer sunshine hours in this month. However, the maximum daily average power generation appears in October, this is due to the drop in temperature brings about the improvement of the efficiency of PV panels. Through the contrast of monthly average performance ratio (PR) and monthly average temperature, it is shown that, the larger values of monthly average PR appears in April and October, while it is smaller in summer with higher temperature. The results concluded that temperature has a great influence on the performance ratio of large scale grid-tied PV power system, and it is important to adopt effective measures to decrease the temperature of PV plant properly.