Solar photovoltaic power station design method and system

Abstract

The invention discloses a solar photovoltaic power station design method and system. The method comprises the following steps of: S1, analyzing a solar resource of a place where a substation is located, carrying out month-by-month horizontal plane-inclined plane radiation quantity conversion calculation and carrying out optimization design on a photovoltaic module inclination angle; S2, determining technical indexes of photovoltaic modules and inverters according to a design requirement, and carrying out optimization calculation on series-parallel number of the photovoltaic modules; S3, determining photovoltaic module arrangement according to design and calculation results in the steps S1 and S2, and carrying out optimization calculation on photovoltaic array arrangement; and S4, carrying out photovoltaic power station cable design, array arrangement and site plane design on the photovoltaic array arrangement optimization calculation result obtained in the step S3. The system corresponds to the method. According to the method and system, the photovoltaic power station design calculated amount can be remarkably decreased and the calculation error probability can be decreased; and the method and system are operated on the basis of Excel software, so that the method and system are simple to calculate and operate, low in cost, intuitional, easy to lean and easy to popularize.

Description

technical field [0001] The invention belongs to the technical field of photovoltaics, and in particular relates to a design method and system for a solar photovoltaic power station. Background technique [0002] Solar photovoltaic power generation is of great significance to alleviating the energy crisis and reducing environmental pollution, and has broad application prospects. At present, when designing solar photovoltaic power generation systems in engineering practice, it is generally designed according to engineering experience or foreign design software. The design content of photovoltaic power stations is various, and multiple optimization calculations and selections are required. The calculation methods usually used are complicated, and the calculation and programming are time-consuming and laborious. , and generally require specific calculation software to aid in the design, but my country has a vast territory, complex terrain, and variable solar radiation resources. ...

AI Technical Summary

Problems solved by technology

At present, when designing solar photovoltaic power generation systems in engineering practice, it is generally designed according to engineering experience or foreign design software. The design content of photovoltaic power stations is various, and multiple optimization calculations and selections are required. The calculation methods usually used are complicated, and the calculation and programming are time-consuming and laborious. , and generally require specific calculation software to aid in the design, but my country has a vast territory, complex terrain, and variable solar radiation resources. The design effect of photovoltaic power plants based on engineering experience or foreign design software is not ideal

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