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<p>Reasonable determination of the installation inclination and array spacing of PV power plant modules is essential to improve the power generation efficiency of PV power plants. This paper firstly derives the formula for calculating the north-south spacing of PV arrays with arbitrary slope inclination and visualizes the north-south spacing of complex mountain PV arrays using ArcGIS. Secondly, a mountain PV array system is proposed to ensure that the system can still operate at the maximum power point in real-time when the solar radiation intensity changes drastically due to unpredictable environmental variables. Finally, to verify the feasibility of the active PV array system in real-life production, an experimental platform is built, and an operational test experiment of the active PV array system under partial shading conditions is conducted, as well as a long-term power boost comparison test. The experimental results show that the mountain PV array system has a 95.7% matching degree in the operation test experiment, which can be perfectly adapted to most PV plants; in the power boost comparison test, the power generation of the traditional PV system is 254Wh, and the power generation of the mountain PV array system is 483Wh, which is about 1.9 times higher than the performance of the traditional PV system. The mountain PV array system has good adaptability to various harsh and unexpected conditions and solves the problem of improving the power output of PV systems in the shadow-shaded environment of mountainous areas, which improves the general usability of PV.</p>
</abstract>

Reasonable determination of the installation inclination and array spacing of PV power plant modules is essential to improve the power generation efficiency of PV power plants. This paper firstly derives the formula for calculating the north-south spacing of PV arrays with arbitrary slope inclination and visualizes the north-south spacing of complex mountain PV arrays using ArcGIS. Secondly, a mountain PV array system is proposed to ensure that the system can still operate at the maximum power point in real-time when the solar radiation intensity changes drastically due to unpredictable environmental variables. Finally, to verify the feasibility of the active PV array system in real-life production, an experimental platform is built, and an operational test experiment of the active PV array system under partial shading conditions is conducted, as well as a long-term power boost comparison test. The experimental results show that the mountain PV array system has a 95.7% matching degree in the operation test experiment, which can be perfectly adapted to most PV plants; in the power boost comparison test, the power generation of the traditional PV system is 254Wh, and the power generation of the mountain PV array system is 483Wh, which is about 1.9 times higher than the performance of the traditional PV system. The mountain PV array system has good adaptability to various harsh and unexpected conditions and solves the problem of improving the power output of PV systems in the shadow-shaded environment of mountainous areas, which improves the general usability of PV.

General layout design of mountain PV plant based on array spacing planning

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"General layout design of mountain PV plant based on array spacing planning"}

Reasonable determination of the installation inclination and array spacing of PV power plant modules is essential to improve the power generation efficiency of...

General layout design of mountain PV plant based on array spacing planning

Published Online: Jul 26, 2023

Page range: -

Received: Oct 29, 2022

Accepted: Feb 03, 2023

DOI: https://doi.org/10.2478/amns.2023.2.00091

Keywords
PV plant, Array spacing, Arcgis, Maximum power point, Mountain PV array system

© 2023 Yaoqing Bai et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

General layout design of mountain PV plant based on array spacing planning

Published Online: Jul 26, 2023

Page range: -

Received: Oct 29, 2022

Accepted: Feb 03, 2023

DOI: https://doi.org/10.2478/amns.2023.2.00091

KeywordsPV plant, Array spacing, Arcgis, Maximum power point, Mountain PV array system

© 2023 Yaoqing Bai et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
PV plant, Array spacing, Arcgis, Maximum power point, Mountain PV array system