Three-dimensional trapezoid fuzzy method for calculating power generation of water-cooled photovoltaic photothermal integrated system

Abstract

The embodiment of the invention discloses a three-dimensional trapezoid fuzzy method for calculating the power generation of a water-cooled photovoltaic photothermal integrated system, and the method is used for solving a technical problem that a calculation method of daily power generation of a new energy user distributed photovoltaic power generation system does not comprehensively consider uncertainty and randomness of influence factors and the applicability, practicality and application of the calculation method are difficult to satisfy in the prior art. The method of the embodiment of the invention comprises the steps of introducing a generalized three-dimensional trapezoid fuzzy set concept and a calculation method in considering uncertainty, randomness and fuzziness of sunlight intensity, a sunshine duration, a sunshine shadow, a sunshine angle of inclination and the like, and calculating the power generation of the water-cooled photovoltaic-photothermal power generation system based on fuzzy probability analysis with an assumption that the parameters of the sunlight intensity, the sunshine duration, the sunshine shadow, the sunshine angle of inclination and the like and a user battery energy storage event obey a generalized three-dimensional trapezoid fuzzy distribution rule.

Description

Technical field [0001] The invention relates to the field of power systems and their automation, in particular to a three-dimensional trapezoidal fuzzy method for calculating the power generation of a water-cooled photovoltaic and photothermal integrated system. Background technique [0002] The development of solar distributed power generation systems is the development trend of smart cities. Photovoltaic power generation and CSP are two different forms of solar power generation. In recent years, photovoltaic-photothermal integrated distributed power generation systems have become the mainstream direction of development and the subject of research hotspots. [0003] The principle of photovoltaic power generation is to use vacuum devices, alkali metals, magnetic fluids and other semiconductor or metal materials to directly convert solar thermal energy into electrical energy to achieve power generation. The principle of CSP is to heat water and other working fluids to high-temperat...

AI Technical Summary

Problems solved by technology

[0012] The embodiment of the present invention provides a three-dimensional trapezoidal fuzzy method for calculating the power generation of a water-cooled photovoltaic photothermal integrated system, which solves the problem that the calculation method of the daily power generation of a distributed photovoltaic power generation system for new energy users in the prior art does not fully consider the influencing factors The uncertainty and randomness of the calculation method, the applicability, practicability and applicability of the calculation method are also difficult to meet the technical problems

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