A method and system for intelligent management of photovoltaic modules

Abstract

The invention discloses an intelligent management method for a photovoltaic module, and belongs to the field of operating maintenance of photovoltaic power stations. The intelligent management method for the photovoltaic module comprises the steps of (1) collecting external information of the photovoltaic module; (2) obtaining an actual I-V characteristic curve according to the external information; (3) judging whether the actual I-V characteristic curve meets a theoretical I-V characteristic curve or not, further analyzing abnormal types by utilizing a natural law principle if a set error value is exceeded, and otherwise, repeating the above steps; (4) sending warning messages if the abnormal types are judged to be faults, executing cleaning operation if the abnormal types are judged to be overmuch dirt retention, and carrying out no actions if the abnormal types are judged to be shadow covering. The invention further discloses an intelligent management system of the photovoltaic module. According to the intelligent management method and system for the photovoltaic module, real-time monitoring and automatic cleaning are carried out on the faults, cleanliness and the like of the photovoltaic module based on the natural law and the I-V characteristic curve of crystalline silicon, and safe, efficient, high-quality, intelligent, simple and convenient operation management of the photovoltaic power station is achieved.

Description

technical field [0001] The present invention relates to a photovoltaic module management method and system, more specifically, to a photovoltaic module intelligent management method and system based on natural laws and crystalline silicon I-V characteristic curves. Background technique [0002] With the depletion of fossil fuel resources, the worsening of environmental pollution, and people's concerns about the safety of nuclear power, the development and utilization of clean, safe and inexhaustible new energy, especially solar energy, has become more and more popular. The direct and large-scale use of solar energy in the early days was mainly in the form of photothermal conversion. With the development of photovoltaic power generation technology and the gradual reduction of costs, the use of solar power for power generation has become more and more popular. At present, solar power generation is mainly divided into rooftop and large-scale ground power stations, and most of t...

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the shortcomings of the existing photovoltaic module management method or system, such as inaccurate discrimination of the abnormal types of photovoltaic modules and high misoperation rate, and provide an intelligent management method and system for photovoltaic modules, using the technology of the present invention The scheme, based on natural laws and crystalline silicon I-V characteristic curves, conducts real-time monitoring of photovoltaic module failure hazards, cleanliness, natural aging rate, etc., as well as fully intelligent and fully automatic cleaning, to achieve safe, efficient, high-quality, intelligent and simple operation and management of photovoltaic power plants ; It not only reduces the equipment damage rate, increases the power generation, but also detects the damage of photovoltaic modules in time, repairs them in time, ensures the normal operation of the equipment, increases the power generation, and improves the economic benefits of the power station

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