Abstract:

Studying the relationship between the spacing of PV arrays in mountainous areas, the gradient and the direction of slopes, improvement can be made on the base of mathematical calculation model of the spacing for plain PV arrays, and a mathematical model calculation method suitable for the spacing for PV arrays in mountainous PV projects is obtained. Through this method, the regularity of PV array spacing varying with the slope direction is obtained under different slope conditions. This method is not only conducive to a comprehensive understanding on the PV array spacing of mountain PV projects with different topographies, but alsoconducive to a more accurate assessment of the availability of terrains with different direction, which can provide a practical and effective assistant for the future site selection for mountain PV project at a early stage and the economic optimization at design stage.

Key words:

mountain PV project, PV array, array spacing, slope, slope direction