Big data clustering analysis method for optimal dip angle of fixed photovoltaic power generation system

Abstract

The invention discloses a big data clustering analysis method for an optimal dip angle of a fixed photovoltaic power generation system. The method comprises the steps that influence factors of power generation of the photovoltaic power generation system are analyzed, and a maximum and minimum annual average irradiation model of the fixed photovoltaic power generation system considering a dip angleof a photovoltaic power generation panel array is constructed; and the maximum and minimum annual average irradiation model of the fixed photovoltaic power generation system is solved based on the big data clustering analysis method in combination with field average daily irradiation measured data, and therefore the optimal dip angle of the photovoltaic power generation panel array is determined.The method has the advantages that powerful support can be provided for quantitative analysis of maximum annual irradiation of fixed photovoltaic power generation components, and a solution is effectively provided for solving maximum capacity of the photovoltaic power generation components in a regional range.

Description

technical field [0001] The invention belongs to the field of photovoltaic technology, and in particular relates to a big data cluster analysis method for the optimal inclination angle of a fixed photovoltaic power generation system. Background technique [0002] The photovoltaic power generation system mainly includes photovoltaic power generation panel arrays, inverters, collecting and sending units and related control systems. The core of the photovoltaic power generation system photoelectric conversion efficiency, output power, and power generation is the azimuth angle and inclination angle of the photovoltaic power generation panel array. The installation methods of photovoltaic power generation panel array are fixed type and tracking type. The fixed type photovoltaic power generation panel array calculates the best light-receiving surface according to the position of the station and then fixes it, and the tracking photovoltaic power generation panel array uses the direct...

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Problems solved by technology

The fixed photovoltaic power generation panel array has the characteristics of long service life and less operation and maintenance workload, but the power generation efficiency is low; the characteristics of the tracking photovoltaic power generation panel array are opposite to the fixed one.

[0003] Existing research mainly takes photovoltaic power generation system as its main research object, focusing on components, inverters and other original-level products and devices of photovoltaic power generation system, as well as planning and controlling photovoltaic access from the perspective of power grid; In terms of the optimal installation inclination angle of the photovoltaic power generation panel array, the approximate installation inclination angle is generally determined by the longitude and latitude of the installation area of ​​the photovoltaic power generation panel array.

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