Research on Dust Removal Strategies of Photovoltaic Panels in Ultra-high Altitude Photovoltaic Demonstration Base

Abstract

Photovoltaic modules are susceptible to dust in the environment when generating electricity outdoors. If not cleaned in time, the conversion efficiency of the modules will decrease. Outdoor centralized power generation components are different from distributed power generation components. Centralized power generation often covers a large area and is located in a complex climate. Even within the same plant, the impact of dust on photovoltaic panels varies from region to region. In recent years, there have been more and more technologies for cleaning the surface of photovoltaic panels, such as manual cleaning, water cleaning, mechanical cleaning, and electrostatic cleaning. Depending on the geographical environment and climatic conditions, various methods have both advantages and disadvantages. This work firstly sorts out the characteristics and typical applications of different leading photovoltaic panel cleaning technologies, and then, the dust removal technology strategies for specific photovoltaic plants located in Sichuan Province of China is proposed according to the environmental attributes of low-latitude, ultra-high altitude, and cold regions.