摘要
甘肃省是我国光伏发电发展重要的基地之一,但受沙尘的影响,光伏组件表面会经常性形成严重的积尘,对电站的运行效益产生较大影响。为了解甘肃不同地区的积尘特点、适宜的清洗方式以及实际的应用效果,在甘肃武威、张掖、嘉峪关和酒泉等几个地区选取了9个光伏电站,对电站的积尘特点、清洗方式、清洗频率、清洗成本等内容开展研究,并结合电站的实际运行数据对自然清洗和人工清洗的实际效果进行分析。研究发现,水洗是甘肃省应用最为广泛的清洗方式,而水源和交通成本是导致部分地区清洗成本较高的主要因素;通过自然降水和人工清洗都可以得到较好的清洁效果,在自然积尘一月后,两种清洁方式分别可提升峰值功率为7.4%和9.98%。
Gansu Province is one of the most important photovoltaic power bases in China.However,severe dust accumulation often occurs on photovoltaic module surfaces,which significantly affects the power generation efficiency of power station.In order to understand the dust accumulation characteristics,as well as the application of different cleaning methods,nine photovoltaic power stations in Wuwei,Zhangye,Jiayuguan and Jiuquan regions in Gansu Province are selected to study the dust accumulation characteristics,cleaning methods,cleaning frequency and cleaning costs of these power stations.The effects of natural cleaning and artificial cleaning are also analyzed based on actual operation data of these power stations.It is found that the water-cleaning method is the most widely used in Gansu Province,and the water source and transportation cost are the main factors leading to the higher cleaning cost in some areas;both natural precipitation and artificial cleaning method can achieve better cleaning effects,and after one month of natural dust accumulation,the two cleaning methods can increase the peak power by 7.4%and 9.98%,respectively.
作者
郭豹
刘杨
叶烨
李修树
杨静安
GUO Bao;LIU Yang;YE Ye;LI Xiushu;YANG Jing an(China Renewable Energy Engineering Institute,Beijing 100120,China)
出处
《水力发电》
CAS
2023年第10期109-115,共7页
Water Power
关键词
太阳能
光伏发电
积尘
组件清洗
清洗效果
清洗周期
运维
甘肃省
solar energy
photovoltaic power generation
dust accumulation
photovoltaic modules cleaning
cleaning effect
cycle of cleaning
operation and maintenance
Gansu Province
